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                                                                                    C H A P T E R                         6
                       Wireless Mobile Interface Cards (WMICs)

                       The Cisco Wireless Mobile Interface Card (WMIC) is a Cisco 3200 Series router interface card in a
                       standard PC/104-Plus form factor.
                       It is one component of the Cisco 3200 Series routers and provides a wireless interface:
                        •   2.4 GHz (802.11b/g) – Cisco 3201
                        •   4.9 GHz (public safety) – Cisco 3202
                        •   5.0 GHz (802.11h) – Cisco 3205 (The C3205WMIC-K9 and C3205WMIC-TP-K9 WMICs are
                            available only in the European Telecommunications Standards Institute [ETSI] domain.)


             Caution   The 4.9 GHz (public safety) radio requires an operators license and can only be operated by US Public
                       Safety operators who meet the requirements specified under FCC Part 90.20.

                       This chapter provides basic information about the WMIC hardware for the purpose of performing simple
                       troubleshooting, such as reconnecting a loose cable. To solve more difficult problems, please contact
                       your vendor.



WMIC Component Systems
                       The ISA buses and PCI buses on the Cisco 3200 Series router cards provide power to the components
                       on the cards. The WMIC does not receive or transmit communications signals on either bus, but it will
                       pass signals through the bus to a card above or below the WMIC. Both buses comply with the
                       PC/104-Plus standard.
                       The PCI bus signals allow the Cisco cards to communicate. Non-Cisco cards cannot communicate with
                       the Cisco 3200 Series Router cards over the PCI bus.


             Caution   If you add non-Cisco cards that generates signals on the PCI bus, the router might shut down. Please do
                       not add non-Cisco cards that generate signals on the PCI bus.




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                                                                            Chapter 6   Wireless Mobile Interface Cards (WMICs)




                 Figure 6-1 shows the WMIC header and bus locations.

                 Figure 6-1            WMIC Header and Bus Locations


                                                         3
                                   1                 2
                                                                                            4




                                                                                                                103981
                                       6
                                                             5


                  1        PCI bus                                     2      Left antenna connector (J2)
                  3        Right antenna connector (J1)                4      ISA bus
                  5        10-pin Fast Ethernet header                 6      24-pin multifunction header



       Note      The PC/104-Plus standard requires that the PCI bus and the ISA bus utilize keying features in the
                 standard stacking headers to guarantee proper module installation. On the PCI bus, pin D30 is removed
                 and the D30 opening is plugged. On the ISA bus, pin C19 and pin B10 are removed, and the C19 and
                 B10 openings are plugged.



Antenna Connector
                 On the radio card, there are two ultra-miniature coaxial connectors (U.FL connector) that are used to
                 connect the coax cables between the WMIC and the external antenna connectors. Two connectors are
                 used to support antenna diversity.
                 The cable should be as short as possible to minimize the loss in strength of the radio frequency (RF)
                 signal. The cable carries the RF signal from the antenna to the low noise amplifier (LNA) on the receiver
                 and transmits the RF signal from power amplifier (PA) to the antenna that radiates the RF signal.
                 There are many antenna connector families. The Cisco RP-TNC antenna connector can be used to
                 support standard antennas.



WMIC Console and Fast Ethernet Ports
                 Cisco 3200 Series router cards do not support any ISA bus signals. The PCI bus connector supports
                 communication between Cisco 3200 Series router card and the Fast Ethernet Switch Mobile Interface
                 Card (FESMIC) and Serial Mobile Interface Card (SMIC).
                 In a Cisco rugged enclosure, the WMIC communicates with the router through the WMIC Fast Ethernet
                 interface. The WMIC Fast Ethernet ports are connected internally to Fast Ethernet ports that provide a
                 communications link with the router.




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                          The WMIC interfaces are configured through a WMIC console port. In contrast, the Serial Mobile
                          Interface Card (SMIC) and FESMIC communicate with the router through the PC/104-Plus bus. The
                          interfaces are configured through the router console port, and all of the router and FESMIC Fast Ethernet
                          ports are identified by using the slot/port format.
                          The WMIC runs an independent IOS image and when it is configured, the link between the WMIC and
                          the router forms an internal LAN. In standard configurations, a WMIC Fast Ethernet port is never
                          brought out to the end cap.
                          The WMIC console port is brought out to the corresponding RJ-45 port on the I/O end cap, replacing a
                          Fast Ethernet port. If the router includes one WMIC, the RS-232 WMIC console port replaces a Fast
                          Ethernet port on the end cap. If the router includes two WMICs, two WMIC RS-232 console ports
                          replace two Fast Ethernet ports on the end cap.


                Note      Currently, even if the router contains zero WMICs, in standard configurations a maximum of three Fast
                          Ethernet ports are brought out to the end cap. Unused RS-232 ports are sealed.



Fast Ethernet Signals on the WMIC
                          The Fast Ethernet signals are delivered through a 10-pin header. LED signals and RS-232 console signals
                          are provided through the 24-pin multifunction header.
                          There is one set of fixed Fast Ethernet signals on the WMIC. The Fast Ethernet port signals are in
                          compliance with IEEE 802.3. They are provided through the Ethernet headers, which support the
                          following:
                           •   Auto-negotiation for 10/100BASE-TX connection
                           •   Full-duplex and half-duplex modes
                           •   Low-power sleep mode
                           •   10BASE-T and 100BASE-TX using a single Ethernet connection
                           •   Robust baseline wander correction performance
                           •   Standard carrier signal multiple access collision detect (CSMA/CD) or full-duplex operation
                           •   Integrated LED drivers


                Note      If Auto-MDIX is disabled, when connecting to Ethernet switches or repeaters a straight-through cable
                          can be used. When connecting to compatible workstations, servers, and routers, a crossover cable should
                          be used. If Auto-MDIX is enabled, either a straight-through or crossover cable can be used can be used
                          to make the connection, as the router automatically changes the signals on the pins to compensate.




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LED Behavior
                 During normal operations, the indicator signals on the wireless device have the following meanings.
                  •   The status indicator signals operational status. Steady green indicates that the wireless device is
                      associated with at least one wireless client. Blinking green indicates that the wireless device is
                      operating normally but is not associated with any wireless devices.
                  •   The radio indicator blinks green to indicate radio traffic activity. The light is normally off, but it
                      blinks whenever a packet is received or transmitted over the radio.
                  •   The Ethernet indicator signals traffic on the wired LAN. This indicator is normally green when an
                      Ethernet cable is connected, and blinks green when a packet is received or transmitted over the
                      Ethernet infrastructure. The indicator is off when the Ethernet cable is not connected.
                 Table 6-1 shows the details of LED behavior.

                 Table 6-1           Indicator Signals

                  Message             Ethernet       Status       Radio         Meaning
                  type                indicator      indicator    indicator
                  Boot loader         Green          –            Green         DRAM memory test.
                  status              –              Amber        Red           Board initialization test.
                                      –              Blinking     Blinking      Flash memory test.
                                                     green        green
                                      Amber          Green        –             Ethernet initialization test.
                                      Green          Green        Green         Starting Cisco IOS software.
                  Association         –              Green        –             At least one wireless client device is
                  status                                                        associated with the unit.
                                      –              Blinking     –             No client devices are associated; check the
                                                     green                      wireless device SSID and WEP settings.
                  Operating           –              Green        Blinking      Transmitting/receiving radio packets.
                  status                                          green
                                      Green          –            –             Ethernet link is operational.
                                      Blinking       –            –             Transmitting/receiving Ethernet packets.
                                      green
                  Boot Loader         Red            –            Red           DRAM memory test failure.
                  Errors              –              Red          Red           File system failure.
                                      Red            Red          –             Ethernet failure during image recovery.
                                      Amber          Green        Amber         Boot environment error.
                                      Red            Green        Red           No Cisco IOS image file.
                                      Amber          Amber        Amber         Boot failure.




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                          Table 6-1           Indicator Signals (continued)

                           Message              Ethernet          Status        Radio         Meaning
                           type                 indicator         indicator     indicator
                           Operation            –                 Green         Blinking      Maximum retries or buffer full occurred on
                           Errors                                               amber         the radio.
                                                Blinking          –             –             Transmit/receive Ethernet errors.
                                                amber
                                                –                 Blinking      –             General warning.
                                                                  amber
                           Configuration        –                 Amber         –             Resetting the configuration options to
                           Reset                                                              factory defaults.
                           Failures             Red               Red           Red           Firmware failure; try disconnecting and
                                                                                              reconnecting unit power.
                                                Blinking red –                  –             Hardware failure. The wireless device
                                                                                              must be replaced.
                           Firmware             –                 Red           –             Loading new firmware image.
                           Upgrade



Key Features
                          The key features of the Cisco wireless devices are listed in Table 6-2.

                          Table 6-2      Key Features

                           Feature                          Description
                           Wireless Medium                  Direct Sequence Spread Spectrum (DSSS)
                                                            Orthogonal Frequency Division Multiplexing (OFDM)
                           Radio Media Access               Carrier sense multiple access with collision avoidance (CSMA/CA)
                           Protocol
                           SNMP Compliance                  MIB I and MIB II
                           Encryption Key Length            128-bit
                           Quality of Service               Prioritization of traffic for different requirements, such as voice and video.
                           (QoS) Support




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                Table 6-2      Key Features (continued)

                 Feature                        Description
                 Security                       Cisco Wireless Security Suite:

                                                Authentication:
                                                    •   802.1X support including LEAP, PEAP, EAP-TLS, and EAP-SIM to
                                                        yield mutual authentication and dynamic, per-user, per-session WEP
                                                        keys
                                                    •   MAC address and by standard 802.11 authentication mechanisms

                                                Encryption:
                                                    •   Static and dynamic IEEE 802.11 WEP keys of 40 bits and 128 bits
                                                    •   802.11i/WPAv2 Advanced Encryption Standard-Counter Mode with
                                                        Cipher Block Chaining Message Authentication Code Protocol
                                                        (AES-CCMP); 128-bit key length
                                                    •   Temporal Key Integrity Protocol (TKIP) WEP enhancements: key
                                                        hashing (per-packet keying), message integrity check (MIC), and
                                                        broadcast key rotation by using WPA TKIP

                                                All WMICs in Root Mode:
                                                PEAP, EAP-TTLS, LEAP, EAP-TLS, EAP-FAST, and EAP-SIM.

                                                Cisco 3201 WMICs in Client Mode:
                                                LEAP, EAP-TLS & EAP-FAST

                                                Cisco 3202 and Cisco 3205 WMICs in Client Mode:
                                                LEAP
                 Status Indicators              LEDs provide information concerning association status, operation,
                                                error/warning, firmware upgrade, and configuration, network/modem, and
                                                radio status
                 Memory                         8 MB Flash
                                                32 MB DRAM
                 Automatic Configuration        BOOTP and DHCP
                 Support
                 Remote Configuration           Telnet, HTTP, FTP, TFTP, and SNMP
                 Support
                 Uplink                         Auto-sensing 10/100BaseT Ethernet
                 Local Configuration            Console port




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MAC Address Allocation
                           The WMIC stores one unique MAC address for the BVI interface.


WMIC Power Requirement
                           In a typical Cisco 3200 Series router configuration, the WMIC draws power from the PCI and the ISA
                           connectors. Table 6-3 shows the estimated power consumption. Note that these are theoretical maximum
                           wattages.

                           Table 6-3           WMIC Power Requirement

                            Voltage        Current Draw           Power                Source
                            +5.0 V         0.4 amps               2.0 W                ISA and PCI connectors
                            +3.3 V         1.7 amps               5.6 W                PCI connectors


Mean Time Between Failure
                           The calculated Mean Time Between Failure (MTBF) in excess of 1,190,136 hours.



Differences Between WMICs
Table 6-4            Differences between WMICs

Feature                     2.4 GHz (802.11b/g)           4.9 GHz (public safety)    5.0 GHz (802.11h)                Comment
Cisco IOS image             12.3(8) JK                    12.3.(2) JK                12.3.(2) JL
release
Cookie and banner           C3201                         C3202                      C3205
Frequency                   2.4 GHz                       4.9 GHz                    5.0 GHz
Power                       Maximum OFDM power Maximum OFDM power                    The power levels can be
                            level is 15dbm (30mw),    level is 17dbm (50mw).         defined as 4 dBm, 7 dBm,
                            but the power level might                                10 dBm, 13 dBm, or
                            vary by country.                                         16 dBm.
power client Command Supported                            Not supported. (Use the    Not supported. (Use the
                                                          power local command.)      power local command.)
Transmission Power          Not supported                 Not supported              Supported for ETSI.              TPC limits the
Control (TPC)                                                                                                         transmitted power to
                                                                                                                      the minimum power
                                                                                                                      level needed to reach
                                                                                                                      the furthest user.




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Table 6-4           Differences between WMICs (continued)

Feature                    2.4 GHz (802.11b/g)                4.9 GHz (public safety)      5.0 GHz (802.11h)              Comment
Dynamic Frequency          NA                                 NA                           Supported for ETSI.            DFS selects the radio
Selection (DFS)                                                                                                           channel most likely
                                                                                                                          to minimize
                                                                                                                          interference with
                                                                                                                          military radar.
Channelization             Statically declared as             Channel spacing selected Statically declared as
                           defined by IEEE                    by using the CLI.        defined by IEEE 802.11h.
                           802.11b/g.                                                  (Available only in
                                                                                       Europe.)
Concatenation              Supported.                         Not supported.               Not supported.
Fragmentation              Maximum threshold is               Maximum threshold is         Supported                      Fragment counter is
                           4000 bytes.                        2346 bytes.                                                 in units of
                                                                                                                          fragmented packets.
distance Command           Supported up to 99                 Supported up to 3            Supported up to 99             Minimizes delay
                           kilometers.                        kilometers (1.8 miles).      kilometers.                    propagation.
Autonomous Modes           Work Group Bridge                  Work Group Bridge            Work Group Bridge
Supported                  (WGB), Non Root Bridge             (WGB), Non Root Bridge       (WGB), Non Root Bridge
                           (NRB), Root Bridge                 (NRB), Root Bridge           (NRB), Root Bridge
                           (RB), Repeater, and                (RB), Repeater, and          (RB), and Access Point
                           Access Point (AP)                  Access Point (AP)            (AP)
World Mode                 Supported.                         Supported only if the        Supported only if the          World Mode on the
                                                              wireless device is in root   wireless device is in root     client side updates a
                                                              access point or root         access point or root           client with the
                                                              bridge mode. Not             bridge mode. Not               channels of the
                                                              supported in client          supported in client            specified domain.
                                                              modes.                       modes.                         The Cisco 3200
                                                                                                                          Series router is
                                                                                                                          limited to fixed
                                                                                                                          channels, so
                                                                                                                          world-mode is not
                                                                                                                          available on the
                                                                                                                          client side.
Universal Workgroup        Supported                          Not supported                Not supported                  Enables operation
Bridge Mode                                                                                                               with non-Cisco
                                                                                                                          access points.
Multiple Client Profiles Supported                            Not supported                Not supported                  Support is enabled
                                                                                                                          only when universal
                                                                                                                          workgroup bridge
                                                                                                                          mode is enabled.
Multiple Basic SSIDs       Supported                          Not supported                Not supported
VLANs                      16 unencrypted VLANs,              16 unencrypted VLANs,        16 unencrypted VLANs,
                           16 static key VLANs, or            1 static key VLAN, or 4      1 static key VLAN, or 4
                           16 dynamic key VLANs,              dynamic key VLANs.           dynamic key VLANs.




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Table 6-4            Differences between WMICs (continued)

Feature                     2.4 GHz (802.11b/g)          4.9 GHz (public safety)    5.0 GHz (802.11h)                Comment
Wireless                    WEP-40, WEP-128,             WEP-40, WEP-128,           WEP-40, WEP-128,
encryption/cipher           TKIP, CKIP, CMIC and         TKIP, and AES-CCM          TKIP, and AES-CCM
suites                      CKIP-CMIC
Max Number of               255                          116                        116
Stations with WEP
Max Number of               256                          26                         26
Stations with TKIP
Max Number of               256                          116                        116
Stations with
AES-CCM
 WDS Server                 Not supported.               Supported                  Supported
WDS Client                  Can auto discover and  Can auto discover and            Can auto discover and
                            work with a subnet WDS work with a WDS server           work with a WDS server
                            server.                on the same subnet as the        on the same subnet as the
                                                   WMIC. If the IP address          WMIC. If the IP address
                                                   of a WDS server is               of a WDS server is
                                                   anywhere on the network          anywhere on the network
                                                   and the IP address is            and the IP address is
                                                   statically configured on a       statically configured on a
                                                   WMIC acting as root              WMIC acting as root
                                                   device, the WMIC can             device, the WMIC can
                                                   work with the WDS                work with the WDS
                                                   server.                          server.
EAP-TLS, EAP-TTLS           EAP-TLS is supported.        EAP-TLS is supported in EAP-TLS is supported in
                            EAP-TTLS is supported        client mode. EAP-TTLS client mode. EAP-TTLS
                            on root devices only.        is not supported.       is not supported.
EAP-FAST                    Supported on root and        Not supported              Supported on root and
                            non-root devices.                                       non-root devices.
WDS Server Related          N/A                          Supported                  Supported
MIBS




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Table 6-4         Differences between WMICs (continued)

Feature                 2.4 GHz (802.11b/g)                4.9 GHz (public safety)    5.0 GHz (802.11h)              Comment
Fast Roaming            All scanning                       All scanning               All scanning                     •   Synthesizer
Scanning                enhancements for faster            enhancements for faster    enhancements for faster              tuning time
Enhancements            roaming are available.             roaming are available      roaming are available            •   Start on current
                                                           except “Use First Better   except “Use First Better             channel
                                                           Access Point.”             Access Point.”
                                                                                                                       •   Only probe
                                                                                                                           current SSID
                                                                                                                       •   Shorten wait
                                                                                                                           time for probe
                                                                                                                           response
                                                                                                                       •   Automatically
                                                                                                                           limiting
                                                                                                                           frequencies
                                                                                                                           scanned
                                                                                                                       •   Time out the
                                                                                                                           scan
                                                                                                                       •   Use first better
                                                                                                                           access point
                                                                                                                       •   Save best probe
                                                                                                                           response


CCXv4 features          Supported                          Not supported              Supported
802.11e MMN QoS         Supported                          Not supported              Supported
Simple Network          Supported                          Supported for new values Supported                        The
Management Protocol                                                                                                  platform-dependent
(SNMP) MIB IDs                                                                                                       SNMP code was
                                                                                                                     modified to return
                                                                                                                     new values
                                                                                                                     (entPhysicalVendorT
                                                                                                                     ype, System OID,
                                                                                                                     and Chassis ID).
Dot11 MIB parameters    Supported                          The dot11 parameters are Supported
                                                           returned through the
                                                           dot11 MIB interface.


2.4 GHz (802.11b/g) WMIC Features
                       The key features of the 2.4 GHz (802.11b/g) WMIC are listed below.


                       Data Rates Supported           1, 2, 5.5, 6, 9, 11, 12, 18, 24, 36, 48, and 54 Mbps

                       Network Standard               IEEE 802.11b and IEEE 802.11g




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                         Frequency Band                2.400 GHz to 2.497 GHz

                         Modulation                    BPSK       1 Mbps and 6 Mbps
                                                       QPSK       2 Mbps and 12 Mbps
                                                       CCK        5.5 Mbps
                                                       BPSK        9.6 Mbps
                                                       CCK2        11 Mbps
                                                       QPSK        18 Mbps
                                                       16 QAM       24 Mbps and 36 Mbps
                                                       64 QAM       48 Mbps and 54 Mbps

                         Operating Channels            North America: 11; ETSI: 13; Japan: 14

                         Receive Sensitivity           1 Mbps: -94 dBm
                                                       2 Mbps: -91 dBm
                                                       5.5 Mbps: -89 dBm
                                                       11 Mbps: -85 dBm

                         Transmit Power Settings       100 mW (20 dBm)
                                                       50 mW (17 dBm)
                                                       30 mW (15 dBm)
                                                       20 mW (13 dBm)
                                                       5 mW (7 dBm)
                                                       1 mW (0 dBm)
                                                       Maximum power setting vary to comply with the regulatory domain.

                         Range (typical @ 100 mW       Outdoor:
                         transmit power setting
                         with 6 dBi diversity dipole   0.5 mile (804 m) @ 45 Mbps
                         antenna)                      1 mile (1609 m) @ 11 Mbps
                                                       3 miles (4,827 m) @ 1 Mbps

                         Compliance                    2.4 GHz (802.11b/g) operates license free under FCC Part 15 and complies
                                                       as a Class B device; complies with DOC regulations; complies with ETS
                                                       300.328, FTZ 2100, and MPT 1349 standards; rugged version complies with
                                                       UL 2043


                         The channel identifiers, channel center frequencies, and regulatory domains of each IEEE 802.11b/g
                         22-MHz-wide channel are shown in Table 6-5.

                         Table 6-5           Channels for IEEE 802.11b/g

                                                          Regulatory Domains
                                          Center
                          Channel         Frequency       Americas (–A)     EMEA (–E)           Japan (–J)
                          Identifier      (MHz)           CCK       OFDM    CCK      OFDM       CCK        OFDM
                          1               2412            X         X       X        X          X          X
                          2               2417            X         X       X        X          X          X
                          3               2422            X         X       X        X          X          X
                          4               2427            X         X       X        X          X          X



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                   Table 6-5           Channels for IEEE 802.11b/g (continued)

                                                       Regulatory Domains
                                    Center
                    Channel         Frequency          Americas (–A)   EMEA (–E)           Japan (–J)
                    Identifier      (MHz)              CCK     OFDM    CCK    OFDM         CCK         OFDM
                    5               2432               X       X       X      X            X           X
                    6               2437               X       X       X      X            X           X
                    7               2442               X       X       X      X            X           X
                    8               2447               X       X       X      X            X           X
                    9               2452               X       X       X      X            X           X
                    10              2457               X       X       X      X            X           X
                    11              2462               X       X       X      X            X           X
                    12              2467               –       –       X      X            X           X
                    13              2472               –       –       X      X            X           X
                    14              2484               –       –       –      –            X           –


Universal Workgroup Bridge Limitations
                   The following limitations and restrictions apply to universal workgroup bridges:
                    •    A universal workgroup bridge can not associate with the Cisco WLAN AP with CKIP or CMIC
                         encryption configuration.
                    •    If the universal workgroup bridge is associated with a Cisco AP or third party AP and if the user
                         issues the command show dot11 association all, the IP address and name information is not
                         available.
                    •    Users should configure the static IP address on the BVI when it is in the universal workgroup bridge
                         mode, so that the WMIC is manageable from the MAR through the Mobile IP tunnel from the
                         infrastructure side.
                    •    If the dynamic CCoA is used on the Cisco 3200 Series Wireless and Mobile Router, you should
                         configure the static IP address using the ip secondary address command.
                    •    The universal workgroup bridge is not compatible with the Tropos version 3.1.1.2 AP.
                    •    A universal workgroup bridge can not associate with the Cisco 1500 router when it is configured
                         with the Allow WPA2 TKIP Clients option.




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4.9 GHz (public safety) WMIC Features
                          The key features of the 4.9 GHz (public safety) WMIC are listed in Table 6-6.

                          Table 6-6      Key Features of the 4.9 GHz (public safety) WMIC

                           Feature                      Description
                           Data Rates Supported         5 MHz channelization: 1.5, 2.25, 3, 4.5, 6, 9, 12, and 13.5 Mbps
                                                        10 MHz channelization: 3, 4.5, 6, 9, 12, 18, 24, and 27 Mbps
                                                        20 MHz channelization: 6, 9, 12, 18, 24, 36, 48, and 54 Mbps
                           Network Standard             Currently there is no IEEE 4.9 GHz (public safety) standard; however, it is
                                                        similar to the IEEE 802.11a standard.
                           Frequency Band               4.940 GHz to 4.990 GHz
                           Available Transmit Power     50 mW (17 dBm)
                           Settings                     40 mW (16 dBm)
                                                        30 mW (15 dBm)
                                                        20 mW (13 dBm)
                                                        10 mW (10 dBm)
                                                        5 mW (7 dBm)
                           Compliance                   4.9 GHz (public safety):
                                                         •   Operation restricted to operators meeting requirements of CFR47 Part
                                                             90.20 of the technical rules for qualification as a Public Safety operator.
                                                         •   Requires a FCC license to operate under this part of the Part 90
                                                             Regulation


4.9 GHz Channels
                          Table 6-7 shows the channel options for the 4.94 GHz to 4.99 GHz band for the United States regulatory
                          domain.

                          Table 6-7           FCC 4.9 Operational Channels as per TIA TR-8 Specification

                           Operating Channel Channel Center 5 MHz              Channel Center 10 MHz          Channel Center 20 MHz
                           Numbers           Channel Spacing                   Channel Spacing                Channel Spacing
                           1
                           3
                           5                       4942.5
                           7
                           9
                           10                                                  4945.0
                           15                      4947.5
                           20                                                  4950.0                         4950.0
                           25                      4952.5
                           30                                                  4955.0                         4955.0



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                   Table 6-7           FCC 4.9 Operational Channels as per TIA TR-8 Specification (continued)

                    Operating Channel Channel Center 5 MHz           Channel Center 10 MHz           Channel Center 20 MHz
                    Numbers           Channel Spacing                Channel Spacing                 Channel Spacing
                    35                      4957.5
                    40                                               4960.0                          4960.0
                    45                      4962.5
                    50                                               4965.0                          4965.0
                    55                      4967.5
                    60                                               4970.0                          4970.0
                    65                      4972.5
                    70                                               4975.0                          4975.0
                    75                      4977.5
                    80                                               4980.0                          4980.0
                    85                      4982.5
                    90                                               4985.0
                    91
                    93
                    95                      4987.5
                    97
                    99



         Note      Channel Center Frequencies (MHz) 1 MHz Channel Spacing is documented in the TIA TR-8
                   specification, but it is not supported by the 4.9 GHz (public safety) WMIC.


Throughput
                   The throughput is a minimum of:
                    •    4 Mbps half-duplex at one mile line-of-sight for a 5 MHz-wide channel
                    •    8 Mbps half-duplex at one mile line-of-sight range for a 10 MHz-wide channel.
                    •    16 Mbps half-duplex at one mile line-of-sight range for a 20 MHz-wide channel.

Modulation
                   Table 6-8 shows the modulation.

                   Table 6-8           Modulation

                    Modulation                 5 Mbps                  10 Mbps                        20 Mbps
                    BPSK                       1.5 Mbps and 2.25 Mbps 3 Mbps and 4.5 Mbps             6 Mbps and 9 Mbps
                    QPSK                       3 Mbps and 4.5 Mbps     6 Mbps and 9 Mbps              12 Mbps and 18 Mbps



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 Chapter 6    Wireless Mobile Interface Cards (WMICs)




                          Table 6-8           Modulation (continued)

                           Modulation                   5 Mbps                10 Mbps                      20 Mbps
                           16 QAM                       6 Mbps and 9 Mbps     12 Mbps and 18 Mbps          24 Mbps and 27 Mbps
                           64 QAM                       12 Mbps and 13.5 Mbps 24 Mbps and 27 Mbps          48 Mbps and 54 Mbps


Receive Sensitivity
                          Table 6-9 shows the receive sensitivity.

                          Table 6-9           Receive Sensitivity

                           5 MHz                                 10 MHz                       20 MHz
                           1.5 Mbps             -89 dBm          3 Mbps      -87 dBm          6 Mbps               -85 dBm
                           2.25 Mbps            -89 dBm          4.5 Mbps    -87 dBm          9 Mbps               -85 dBm
                           3 Mbps               -89 dBm          6 Mbps      -87 dBm          12 Mbps              -85 dBm
                           4.5 Mbps             -85 dBm          9 Mbps      -87 dBm          18 Mbps              -82 dBm
                           6 Mbps               -82 dBm          12 Mbps     -85 dBm          24 Mbps              -79 dBm
                           9 Mbps               -79 dBm          18 Mbps     -79 dBm          36 Mbps              -76 dBm
                           12 Mbps              -74 dBm          24 Mbps     -74 dBm          48 Mbps              -71 dBm
                           13.5 Mbps            -72 dBm          27 Mbps     -72 dBm          54 Mbps              -69 dBm


5.0-GHz (802.11h) Radio Features
                          The radio supports only 20-MHz channelization.


                Note      802.11h is supported only in the ETSI regulatory domain.



                Note      By default, the C3205 WMIC uses the right antenna to receive and transmit data.


5.0-GHz (802.11h) Channels
                          The 5.0-GHz (802.11h) radio in the Cisco 3200 Series router (currently available as the Cisco 3205
                          WMIC) supports the following channels/frequencies in the ETSI regulatory domain:
                           •   5.250 GHz to 5.350 GHz: 5260 MHz (52), 5280 MHz (56), 5300 MHz (60), 5320 MHz (64),
                           •   5.470 GHz to 5.725 GHz: 5500 MHz (100), 5520 MHz (104), 5540 MHz (108), 5560 MHz (112),
                               5580 MHz (116), 5600 MHz (120), 5620 MHz (124), 5640 MHz (128), 5660 MHz (132),
                               5680 MHz (136), 5700 MHz (140). (Channels 52 through 140 are ETSI outdoor channels.)




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                                                                                       Chapter 6   Wireless Mobile Interface Cards (WMICs)




           Note     By default, the C3205 WMIC performs automatic channel selection on the radio interface. For more
                    information about configuring a channel on the radio interface of the C3205 WMIC using the
                    command-line interface (CLI), refer to the “Configuring the Radio Channel or Frequency for the C3205
                    WMIC” section in the Radio Channels and Transmit Frequencies document. The show interface d0 dfs
                    command provides DFS statistics.


Throughput
                    The throughput is a minimum of 16 Mbps half-duplex at one mile line-of-sight range for a
                    20 MHz-wide channel. The range performance is dependent on output power, antenna gain,
                    path loss, and other factors.
                    The following are range performance estimations:
                     •   6 Mbps at 10 kilometers (6 miles) at 30 dBm EIRP
                     •   1 Mbps at 30 kilometers (18 miles) at 30 dBm EIRP


Modulation
                    Table 6-10 shows the 5.0-GHz (802.11h) modulation.

                    Table 6-10          5.0-GHz (802.11h) Modulation

                     Modulation                 20 Mbps
                     BPSK                       6 Mbps and 9 Mbps
                     QPSK                       12 Mbps and 18 Mbps
                     16 QAM                     24 Mbps and 27 Mbps
                     64 QAM                     48 Mbps and 54 Mbps


Receive Sensitivity
                    Table 6-11 shows the receive sensitivity for all locations.

                    Table 6-11          Receive Sensitivity for 5.0-GHz (802.11h) Radios

                     Data Rates           5.25 GHz to 5.35 GHz       5.47 GHz to 5.725 GHz         5.725 GHz to 5.825 GHz1
                     6 Mbps               -85 dBm                    -85 dBm                       -85 dBm
                     9 Mbps               -85 dBm                    -85 dBm                       -85 dBm
                     12 Mbps              -85 dBm                    -85 dBm                       -85 dBm
                     18 Mbps              -82 dBm                    -82 dBm                       -82 dBm
                     24 Mbps              -79 dBm                    -79 dBm                       -79 dBm
                     36 Mbps              -76 dBm                    -76 dBm                       -76 dBm
                     48 Mbps              -71 dBm                    -71 dBm                       -71 dBm
                     54 Mbps              -69 dBm                    -69 dBm                       -69 dBm
                     1. The 5.725-GHz to 5.825-GHz range is not supported on European models.




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 Chapter 6    Wireless Mobile Interface Cards (WMICs)




Transmit Sensitivity
                          Table 6-12 shows the transmit sensitivity.

                          Table 6-12          Transmit Power Levels for the C3205 WMIC

                           Data Rates           5.25 GHz to 5.35 GHz       5.47 GHz to 5.725 GHz       5.725 GHz to 5.825 GHz1
                           6 Mbps               16 dBm                     16 dBm                      16 dBm
                           9 Mbps               16 dBm                     16 dBm                      16 dBm
                           12 Mbps              16 dBm                     16 dBm                      16 dBm
                           18 Mbps              16 dBm                     16 dBm                      16 dBm
                           24 Mbps              16 dBm                     16 dBm                      16 dBm
                           36 Mbps              16 dBm                     16 dBm                      16 dBm
                           48 Mbps              14 dBm                     14 dBm                      14 dBm
                           54 Mbps              13 dBm                     13 dBm                      13 dBm
                           1. The 5.725-GHz to 5.825-GHz range is not supported on European models.


                          Additional cards and components provide power and link interfaces to the WMIC. The exact
                          configuration of your router will vary, depending on how it was configured by the vendor.



Related Documentation
                          These documents provide detailed information regarding the configuration of the wireless card:
                           •   Cisco IOS Switching Services Configuration Guide. Click this link to browse to this document:
                               http://www.cisco.com/univercd/cc/td/doc/product/software/ios122/122cgcr/fswtch_c/index.htm
                           •   Cisco Internetwork Design Guide. Click this link to browse to this document:
                               http://www.cisco.com/univercd/cc/td/doc/cisintwk/idg4/index.htm
                           •   Cisco Internetworking Technology Handbook. Click this link to browse to this document:
                               http://www.cisco.com/univercd/cc/td/doc/cisintwk/ito_doc/index.htm
                           •   Cisco Internetworking Troubleshooting Guide. Click this link to browse to this document:
                               http://www.cisco.com/univercd/cc/td/doc/cisintwk/itg_v1/index.htm




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                                                     Chapter 6   Wireless Mobile Interface Cards (WMICs)




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Document Created: 2007-06-15 22:57:40
Document Modified: 2007-06-15 22:57:40

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