3.7m ka band fixed antenna

3.7 Meter Ka-Band VSAT Antenna

Model: FS370-KA

The AST 3.7 Ka-band antenna is a high performance antenna designed for Ka-band satellite communications, the antenna includes Feed Horn, Polarizer, OMT and Filter. The antenna is a rugged, commercial quality product suitable for the most demanding applications.

We also offer custom satellite antenna solutions, please contact us for details.

Feature
* High G/T, excellent pattern characteristics
* High precision aluminum reflector, no field alignment
* All of steel parts to be processed by hot dipped zinc
* Foundation hardware kit included

Options
* Antenna control system with tracking (Steptrack, Program Tracking and Inclined Orbit Tracking)
* Reflector and feed deicing systems
* ODU Support Kits
*  Lightning Rod Kit
*  Grounding Kit
* Cable-Mounting Kit
* Turnkey installation and testing
* Non-penetrating mount
* High wind configuration
* Extended Az travel

Electrical Specification
TypeFS370-KA
Electrical Operating Frequency

Receive

Transmit

Ka-Band CircularKa-Band CircularKa-Band Linear
20.20 – 21.20 GHz19.40 – 21.20 GHz18.70 – 21.20 GHz
30.00 – 31.00 GHz29.20 – 31.00 GHz27.00 – 31.00 GHz
Midband Gain ( +/- .5 dB)

Receive

Transmit

55.4 dBi

58.8 dBi

55.3 dBi

58.7 dBi

 

55.1 dBi

58.4 dBi

VSWR1.3:1 max1.3:1 max1.5:1 max
Beam width(-3 dB )Rx: 0.27° Tx: 0.18°Rx: 0.28° Tx: 0.18°Rx: 0.28° Tx: 0.19°
Power Handling100 W
Antenna Noise Temperature

10° Elevation

20° Elevation

40° Elevation

139 K

118 K

107 K

139 K

118 K

107 K

140 K

121 K

106 K

Cross Polarization Isolation

On Axis

Within 1.0 dB Beamwidth

26dB

25dB

26dB

25dB

35 dB

33 dB

Output Waveguide Interface FlangeRx: WR42 Tx:WR28
First Side lobe90%

Peaks under Following Envelop

-14

29-25logθ(1°≤θ<20°)

Mechanical Specification
Antenna Diameter3.7m
Antenna TypeCassegrain
Surface Accuracy(RMS)≤0.3mm
Antenna Pointing Range

Azimuth

Elevation

Polarization

0°~360°,±10°(Continuous)

0°~90°(Continuous)

±360°(Continuous)

Drive ModeManual or Motorized
Antenna reflector MaterialAluminum Alloy
Finish of steel partsHot dipped Zinc
Environmental Specification
Operational Wind72km/h gusting to 97km/h
Survival Wind216km/h
Temperature-40°~+60°
Relative Humidity100%
Solar Radiation1135Kcal/h/m²
Seismic(Survival)0.3g(H), 0.15g(V)
Ice Loading13mm Operational; 25mm Survival

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