Exhibit

3444-EX-ST-1998 Text Documents

NETRO CORPORATION

2001-04-05ELS_45487

                                                                                                                                               THE WIRELESS ATM COMPANY




                                                        AirStar®" System Specifications
                                                                                                                                        26 GHz (ITU Version)


              Base Radio Unit                   l (

                                                                                                                                   Subscriber
                                                                                                                                   Radio Unit

                                                   '                                                                      $                                                       AirView""
                           s ‘                                                                                    4                                                               Network
             Base Modem Unit                                                                                                                                              Management
                                                                                                                                                                                    System

~C
    Base
    Station                                                                             Subscriber
    Shelf                                                                                  Access
                                                                                           System




       Range and Availability (typ)                                                                  Channel Bandwidth
       * 5 kilometer radius                                                                          * 7 MHz
       *    99.995% availability (CCIR climatic Zone E, Northern
            Europe) minimum antenna gains
m&                                                                                                   Modulation Format
E      Radio Unit and Antennas                                                                       * Base Station to Subscriber Terminal: 4 QAM or 16 QAM,
                                                                                                       TDM
       Base Station: The Base Station Radio comprises a number of                                    * Subscriber Terminal to Base Station: 4 QAM or 16 QAM,
       sectorized radio unit arrays. Each sector has one or more Base                                  TDMA
       Radio Units, allowing modular capacity build—up and redun—                                    * FDM of multiple 7 MHz carriers and T‘x to RX separation
       dant configuration o?both radio and antenna.

                     i           j                                           §                       Transmit Power (typ)
            Azimut              Elevation                Nominal        _# of Sectors
            Beamwidth           Beamwidth                Gain            Per Cell                               i                         QAM                       16 OAM
            30e                 70                       20 dBi          I to 17                     * Base Station    _                  +20 dBm                   +18 dBm
            450                 7o                       18 dBi          1 to 8                      * Subscriber Terminal                +20 dBm                   +18 dBm
            90e                 70                       15 dBi          I to 4                      * ATPC (Automatic Transmit Power Control range):                 50 dB

       Subscriber Terminal: The Subscriber Radio Unit consists of a
       125 mm integral antenna. Optional standard parabolic                                          Receiver
       antennas may be used to increase system range.                                                Receive sensitivity: (BER=1x10°)
                                                                                                                                4 QAM             16 QAM
            — Integral: High performance horn antenna, 28 dB                                         * Base Station:            —85 dBm at 8 Mb/s —78 dBm at 16 Mb/s
              nominal gain                                                                           * SubscriberTerminal:      —85 dBm at 8 Mb/s —78 dBm at 16 Mb/s
            — Non—integral: 0.3 m at 35 dBi or 0.6 m at 41dBi
                                                                                                     Air Interface
              wenrcy fRange                                                                          * Netro‘s CellMAC"" protocol for wireless ATM, with centralized
       * Digitally synthesized, software controlled                                                      traffic scheduling based on Netro‘s virtual framer for ATM
         — 24.5 to 26.5 GHz                                                                              CBR traffic and virtual shaper for ATM VBR traffic.
         — T/R Spacing = 1008 MHz
            All specifications subject to change without notice. This document contains confidential and proprietary information of Netro Corporation. Some regulatory approvals pending.
                                                                           _© 1997 Netro Corporation. February, 1998


System Capacity                                                                              Power
* Capacity per subscriber (7 MHz, full duplex, channel):                                     * Input voltage
  — 4 QAM : 64 Kbi/s to 8 Mbi/s                                                                — Subscriber Terminal: —48 VDC or 220 VAC, 50 Hz
  — 16 QAM: 64 Kbi/s to 16 Mb/s                                                                — Base station: —48 VDC
                                                                                             * Power consumption (typ):
                                                                                                 — Base station: 400 W
Networking Specifications & Protocols                                                            — Subscriber Terminal:; 35 W
* Protocol:
  — Q.931
                                                                                             Redundancy
  — V5.1, V5.2
  — Frame Relay/ATM FRES5                                                                    *   N
  — RFC 1483 (Multi— protocol encapsulation over ATM)

                                                                                             Mechanical
Interface Specifications
                                                                                             Dimensions:                      HxWxD
Subscriber Terminals:                Base Stations:                                          Subscriber Units:
E1 and Fractional El                 E3 ATM UNI                                                 — Indoor unit (SAS)    4 cm x 21.5 cm x 28 cm
ISDN BRI, PRI                        STM—1 ATM UNI                                              — Outdoor unit (SRU) 30 cm x 16 cm x 20 cm
Frame Relay                                                                                  Base Station Unit:
10BaseT                                                                                         — Indoor unit          44.4 cm x 48.3 cm x 50.8 cm
                                                                                                  (BSS, incl. cooling)
                                                                                                — Outdoor unit (BRU) 41 cm x 11 cm x 17 cm
Network Management                                                                           SAS to SRU connection:
                                                                                                — LMR240, 0 — 100 m; LMR400, 0 — 300 m
* SNMP based
* Downloadable software, local and remote
* Performance measurement: per G.821, G.826, and                                             Miscellaneous
   ITU—R Rec 697—1
* Windows® NT GUI                                                                            * Encryption: DES, 40 bit. 56 bit, with export license

Standards and Regulatory Compliance
* System: ETSE prEITS 300 431. BADPT 211 ZV,
  MPT 1420, prETS TM4. ITU—R, RecE749, x.731
* EMC: CE Mark, CISPR 22, ENS55022,
  ENS0082—1 and 2, ETS 300 339 and 385
* ‘Traffic interface: ITU—T G.703, G.704, G.775,
  G.823, 1.431, CTR 12, TBR 12, IEEE 802.3
* Mechanical and safety: ISO 9001, FQAA,
  CE Mark, EN 60950, EN 41003, IEC 950
* Environmental: ETS 300 019


Environmental
* Operating temperature, Base Station
  — Indoor unit: 0° C to +40° C
  — Outdoor unit: —33° C to +55° C
* Operating Temperature, Subscriber Terminal
  — Indoor unit: 0° C to +40° C
  — Outdoor unit: —33° C to +55° C
* Relative humidity (indoor): 5—95%, non—condensing
* Altitude (system): 0—4500 m
* Wind loading: Operational: 145 km/hr
                        Survival: 200 km/hr

                                                                                                      efro
                                                                                             THE WIRELESS ATM COIPANV.




                                                                                             Headquarters:                                     German Office
                                                                                             Netro Corporation                                 Netro GmbH
                                                                                             3860 North First St.                              Koiner Str. 10
                                                                                             San Jose, CA 95134—1702                           65760 Eschborn
                                                                                             (408) 216—1500                                    Germany
                                                                                             (408) 216—1555 fax                                +49—6196—400—977
                                                                                              http://www.netro—corp.com                        +49—6196—400—935 fax




    All enacifications subject to change without notice. This document contains confidential and proprietary information of Netro Corporation. Some regulatory approvals pending.
                                                                          Ca opy   the    ho ens o aek ks



Document Created: 2001-04-05 08:28:13
Document Modified: 2001-04-05 08:28:13

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