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CPI Series 1385 - 3.8 Meter Tx/Rx Antenna

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    		C-Band LinearC-Band CircularKu-Band LinearX-Band Circular
    Antenna Size3.8 M3.8 M
    		3.8 M
    		3.8 M
    Operating Frequency (GHz)

    Receive (Rx)

    Transmit (Tx)


    3.625 - 4.20 GHz

    5.845 - 6.425 GHz


    3.625 - 4.20 GHz

    5.845 - 6.425 GHz


    10.95 - 12.75 GHz

    13.75 - 14.50 GHz


    7.25 - 7.75 GHz

    7.9 - 8.4 GHz
    Midband Gain ( +/- .5dB)

    Receive (Rx)

    Transmit (Tx)


    42.00 dBi

    46.20 dBi


    41.80 dBi

    46.30 dBi


    51.20 dBi

    53.00 dBi


    47.80 dBi

    48.40 dBi
    VSWR

    Receive (Rx)

    Transmit (Tx)


    1.3:1 Max.(<-17.70 dB)

    1.3:1 Max.(<-17.70 dB)


    1.3:1 Max.(<-17.70 dB)

    1.3:1 Max.(<-17.70 dB)


    1.5:1 Max.(<-14.00 dB)

    1.5:1 Max.(<-17.70 dB)


    1.3:1 Max.(<-17.70 dB)

    1.3:1 Max.(<-17.70 dB)
    Sidelobe Envelope, Co-Pol
    (dBi)

    100λ/D   θ   20°

    20° <θ   26.3°

    26.3° <θ   48°

    θ < 48°



    29 - 25 Logq dBi

    -3.5 dBi

    32 - 25 Logq dBi

    -10 dBi (averaged)



    29 - 25 Logq dBi

    -3.5 dBi

    32 - 25 Logq dBi

    -10 dBi (averaged)



    29 - 25 Logq dBi

    -3.5 dBi

    32 - 25 Logq dBi

    -10 dBi (averaged)



    29 - 25 Logq dBi

    -3.5 dBi

    32 - 25 Logq dBi

    -10 dBi (averaged)

    Note: In receive portion of C-band only, sidelobe envelope specified from 100l/D rather than 1°

    Antenna Noise Temperature

    5° Elevation

    10° Elevation

    20° Elevation

    40° Elevation



    55 K

    45 K

    38 K

    36 K


    62 K

    52 K

    45 K

    43 K



    70 K

    60 K

    55 K

    45 K



    60 K

    51 K

    47 K

    47 K
    Power Handling1 kW1 kW100 kW2 kW
    Cross Polarization Isolation

    On Axis

    Within 1.0 dB Beamwidth

    > 30 dB

    > 27 dB


    Rx >15.00 dB–Tx >17.70 dB

    Rx >15.00 dB–Tx >17.70 dB


    Rx >30.00 dB–Tx >35.00 dB

    Rx >25.00 dB–Tx >26.00 dB


    Rx >23.20 dB–Tx >18.80 dB

    Rx >23.20 dB–Tx >18.80 dB
    Note: Standard C-band Circular polarization in Tx-Band provides an axial ratio of 1.3 (XPD equivalence of 17.7 dB). Optional F-1 station feed available with axial ratio of 1.09 (XPD equivalence > 27.3 dB) in Tx band. Call the factory when specifying this option. X Band filters are available upon request.
    Output Waveguide Interface Flange

    Receive (Rx)

    Transmit (Tx)



    CPR 229 F

    CPR 137 or Type N



    CPR 229 F

    CPR 137 or Type N



    WR 75

    WR 75



    WR 112

    WR 112


    Reflector MaterialGlass Fiber Reinforces Polyester SMC
    Antenna OpticsEasy-to-Assemble, Four-piece, Offset Feed Prime Focus Design with 0.6 F/D Optics
    Mast Pipe Size10” Sch 80 Pipe (10.75” OD) 27.3 cm
    Elevation Adjustment Range12° to 90° or 0° to 15° for Polar Latitudes
    Azimuth Adjustment Range360° Continuous with +/- 35° Fine Adjustment


    Wind Loading

    Operational

    Survival


    50 mph (80 km/h)

    125 MPH (201 Km/H)
    Temperature

    Operational


    -40° to 140° F (-40° to 60° C)
    Rain

    Operational


    1/2” (13 mm)/hr
    Ice

    Operational

    --------------
    Atmospheric ConditionsSalt, Pollutants and Contaminants as Encountered in Coastal and Industrial Areas
    Relative Humidity0 to 100% with Condensation
    Solar Radiation360 BTU/h/ft2


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