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GD Satcom 1385 3.8M C-Band Tx/Rx Antenna System

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  • Tx Operating Frequency: 5.845 - 6.425 GHz
  • Rx Operating Frequency: 3.625 - 4.200 GHz
  • Polarization: Linear or Circular
  • Feed Interface: WR137 Waveguide or Type N


SKU: SATRES-391916

Electrical Specifications for C-Band Linear
Antenna Size3.8M
Operating Frequency

  Rx

  Tx


3.625 - 4.20 GHz

5.845 - 6.425 GHz
Midband Gain ( ± 0.5 dB)

  Rx

  Tx


42.00 dBi

46.20 dBi
VSWR

    Rx

    Tx


1.3:1 max (<-17.7 dB)

1.3:1 max (<-17.7 dB)
Pattern Beamwidth (in degrees at midband)

    -3 dB

      Rx

      Tx

    -15 dB

      Rx

      Tx




1.4 deg

0.9 deg



3.2 deg

2.0 deg
Sidelobe Performance

    1°≤θ≤20°

    20°<θ≤26.3°

    26.3°<θ≤48°

    48°≤θ<180°


29-25 log (θ)

-3.5 dBi

32-35 log (θ)

≤-10 dBi averaged
Antenna Noise Temperature

    5° Elevation

    10° Elevation

    20° Elevation

    40° Elevation


55 K

45 K

38 K

36 K
Power Handling 1 kW
Cross Polarization Isolation

    On Axis

    Within 1.0 dB Beamwidth



>30 dB

>27 dB
Output Waveguide Interface Rx: CPR 229 F

Tx: CPR 137 or Type N
Mechanical Performance
Reflector Material Glass Fiber Reinforced SMC
Antenna Optics Easy-to-assemble, 4 Pc., Offset Fed Prime Focus Design

with 0.6 F/D optics.
Mast Pipe Size 10" SCH 40 Pipe (10.75" O.D.) 27.3 cm
Elevation Adjustment Range 12° to 90° or 0° to 15° for Polar Latitudes
Azimuth Adjustment Range 360° Continuous with +/-35° Fine Adjustment
Shipping Specifications

    Approximate Net Weight

    Approximate Packaged Weight


Weight (nominal) 1125 lbs. (511 Kg).

Weight (nominal) 1882 lbs., (855 Kg).
Environmental Performance
Wind Loading

    Operational

    Survival


50 MPH (80 km/h)

125 mph (201 km/h)
Temperature Range (operational) -40° to 140°F (-40° to 60°C)
Rain (operational) ½" (13mm) per hour
Ice (operational) --------------------
Atmospheric Conditions Salt, Pollutants and Contaminants as Encountered in Coastal and Industrial Areas
Relative Humidity 0 to 100% Condensing
Solar Radiation 360 BTU/h/ft²

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