Antenna 2

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1/29/2007                                                 Sky Captain 8 dBi Omni Technical Specification


                                                          Document Number: EDCS-527100
                                                          Revision: 1.0
                                                          Author: Steve Saliga
                                                          Manager: Fred Anderson




      2.4 GHz, Direct Mount 8 dBi, Omnidirectional Antenna
                         Specification
                       AIR-ANT2480V-N




                                        Headline
This document outlines the technical requirements for a 2.4 GHz, vertical 8 dBi
omnidirectional antenna to be used with the Cisco outdoor bridges and access points.




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1/29/2007                                                   Sky Captain 8 dBi Omni Technical Specification


                                                  Approvals


                        Name/Title                          Signature                  Date
            Fred Anderson
            Manager, RF Engineering
            Jim Mass
            Manager, Mechanical Engineering

                                                  Reviewers


                          Name/Title                          Signature                Date
            Jim Nicholson
            EMC Compliance Engineer
            Tom Dirrig
            New Product Introduction Engineer



                                               Revision History

  Rev        Date                 Author                                   Comment
   1.0      1/29/2007           Steve Saliga           Initial Release




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1/29/2007                                                 Sky Captain 8 dBi Omni Technical Specification




1. Introduction
    This document describes the basic set of required specifications for an omni-
    directional antenna for use in the 2.4 GHz band specifically to support the Sky
    Captain and Huck Jr. products. The basic features of this antenna are as follows:
        • Omnidirectional antenna for outdoor use
        • Direct mounted with no cable to the Sky Captain and Huck Jr. products,
            pointing either up or down as required
        • Additionally mountable to a mast
        • Approximately 20 inches in length
        • Antenna is terminated in an N-male connector for direct mounting
        • Operates over 2400 MHz through 2500 MHz
        • Peak gain is 8 dBi across the 2.4 GHz band.

    The specifications for this antenna will be presented sequentially with Electrical
    Specifications first, followed by Mechanical/Environmental Specifications and
    General Specifications.

2. Physical Appearance
    The antenna will have a metal base suitable for mast mounting the antenna and a
    white/off-white fiberglass tube with an end cap. The entire antenna and enclosure
    will be approximately 20 inches long including the connector. A photo of the antenna
    appears in Figure 2.1 below.




                                            Figure 2.1
                             8 dBi Omnidirectional Antenna for 2.4 GHz


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1/29/2007                                                 Sky Captain 8 dBi Omni Technical Specification


3. 8 dBi Omni Specifications, AIR-ANT2480V-N
    This section contains both the electrical and mechanical specs for the AIR-
    ANT2480V-N 2.4 GHz, 8 dBi omnidirectional antenna. This antenna should be
    housed in a tubular radome built directly on an N-male connector. The antenna will
    be mounted directly to the Sky Captain and Huck Jr. platforms. Depending on how
    these products are mounted, the antenna could be pointing up or down. In addition,
    provision should be made to allow this antenna to be mast mounted as well.

    The antenna is designed to be used outdoors with any drainage mechanism to be built
    into the unit to accommodate either mounting orientation, up or down. It is highly
    desirable to design the proper drainage so this function does not have to be configured
    by the user. If this functionality cannot be designed in, a configurable drainage
    system will be allowable with the default drainage being that for the “upside-down”
    mounting method.




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1/29/2007                                                  Sky Captain 8 dBi Omni Technical Specification




    3.1. AIR-ANT2480V-N, Antenna Electrical Specifications
        The electrical specifications for this antenna are summarized in Table 3.1.1
        below. All the manufacturer’s specifications should be reported in data sheet
        format.

                         AIR-ANT2480V-N, 2.4 GHz, 8 dBi Omni-
                        directional Antenna Electrical Specifications
                       Parameter         Design Goal          Minimum           Maximum

                                              Omni-
              1       Antenna Type      directional (Co-
                                          linear Array)
                        Operating
                                          2400MHz –
              2         Frequency
                                          2484 MHz
                          Range
                      Nominal Input
              3                               50 Ω
                       Impedance
                       1.7:1 VSWR         2400 MHz –
              4
                        Bandwidth          2484 MHz
              5           Gain              8 dBi
              6       Polarization      Linear, vertical
                      E-Plane 3 dB
              8                           10-degrees
                       Beamwidth
                       H-Plane 3dB           Omni-
              9
                       Beamwidth           directional

              10      H-Plane Ripple          1 dB                                  1.5 dB

                       1st Sidelobe
              11                             -8 dBc
                           Level

                                Table 3.1.1
 AIR-ANT2480V-N 2.4 GHz, 8 dBi Omnidirectional Antenna, Electrical Specifications




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1/29/2007                                                  Sky Captain 8 dBi Omni Technical Specification


      3.2. AIR-ANT2480V-N Antenna Mechanical and Environmental Specifications
          The mechanical specifications will cover the physical appearance of the antenna
          as well as all mounting, cable and connectors. The mechanical and environmental
          specs are summarized in Table 3.2.1.

               AIR-ANT2480V-N, 2.4 GHz, 8 dBi Omnidirectional Antenna
                      Mechanical /Environmental Specifications
                                                   Minimum             Max
            Parameter         Design Goal                                                   Notes
                                                  Acceptable        Acceptable
                                                                                      Including connector
  1           Length         19-1/2” inches
                                                                                            scheme
  2          Diameter           0.75 inch
                                                                                     Without mast mounting
  3           Weight             < 0.5 lb
                                                                                           hardware
  4     Radome Material         Fiberglass

  5       Radome Color       White/Off-white

  6         Cable Type            None

  7         Cable Color               NA

  8       Cable Length                NA

  9      Connector Type          N-Male
                                  •    Direct Mount with Male-N connector
  10    Mounting Options
                                  •    Mast Mount (hardware included), 1” to 2-1/8” diameter mast
                                 Default drainage scenario is pointing up. “Upside-down” mounting
              Drainage
  11                           drainage must also be provided. Drain mechanism should be “built in”
             location(s)
                                             and not have to be configured by the user.
  13        Environment         Outdoor
             Operating
  14        Temperature      -30 C to +70 C     -30 C to +70 C
              Range
              Storage
  15                         -40 C to +85 C
            Temperature
                               100 mph
               Wind
  16                          operational,
            Rating/Load
                             165 mph gusts
         Water Tightness
  17                     IEC 60529, Code IP-54 (minor dust intrusion, withstand splashing water)
              Test

  18      Salt Mist Test      MIL-STD-810F, Method 509.4, 5% salt solution. VSWR still as specified.

          Vibration Test
  19                      Mil-STD-810F, Method 514.5c-1, 30 minutes per axis, VSWR as specified
        (non-operational)
           Mechanical
                          ASTM D 3332, Trapezoidal Wave, 3 impacts per axis, 65 G min to 80 G
  20       Shock (non-
                                         max acceleration. VSWR as specified.
           operational)


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1/29/2007                                                 Sky Captain 8 dBi Omni Technical Specification


                             1 meter drop to tile, 3 drops vertically and horizontally.
  21        Drop Test
                             VSWR is still as specified. No damage to the radome that would render
                             the product unusable.

                                Table 3.2.1
AIR-ANT2480V-N 2.4 GHz, 8 dBi Omnidirectional Antenna, Mechanical Specifications



      3.3. AIR-ANT2480V-N, 2.4 GHz, 8 dBi Omni-directional Antenna, General
           Requirements
          The antenna markings and documentation requirements are outlined below in
          Table 3.3.1. There will be a product label to be applied to the radome of the
          antenna. The prototype schedule will be agreed upon by Cisco engineering and
          the antenna manufacturer.

             AIR-ANT2480V-N, 2.4 GHz, 8 dBi Omnidirectional Antenna
                           General Requirements

  1     Antenna Marking Cisco antenna label. Artwork to follow at a later date.


                             All VSWR and pattern data will be created by the manufacturer and
  2       Electrical Data    presented to Cisco engineering on the manufacturer’s letterhead and via
                             “text” or “Excel” files.

          Mechanical/
                             A full set of mechanical drawings and all environmental test data will be
  3      Environmental
                             created by the manufacturer and will be presented to Cisco engineering.
         Documentation

                             Samples will be created and submitted according to a mutually agreed
  4          Samples
                             upon plan between the manufacturer and Cisco engineering.


                                     Table 3.3.1
            AIR-ANT2480V-N 8 dBi Omnidirectional Antenna, General Requirements




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Document Created: 2007-04-23 11:32:42
Document Modified: 2007-04-23 11:32:42

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