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 | |||
| Type | FS370-KA | ||
| Electrical Operating Frequency Receive Transmit | Ka-Band Circular | Ka-Band Circular | Ka-Band Linear |
| 20.20 – 21.20 GHz | 19.40 – 21.20 GHz | 18.70 – 21.20 GHz | |
| 30.00 – 31.00 GHz | 29.20 – 31.00 GHz | 27.00 – 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 |
| VSWR | 1.3:1 max | 1.3:1 max | 1.5:1 max |
| Beam width(-3 dB ) | Rx: 0.27° Tx: 0.18° | Rx: 0.28° Tx: 0.18° | Rx: 0.28° Tx: 0.19° |
| Power Handling | 100 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 Flange | Rx: WR42 Tx:WR28 | ||
| First Side lobe90% Peaks under Following Envelop | -14 29-25logθ(1°≤θ＜20°) | ||
| Mechanical Specification | |||
| Antenna Diameter | 3.7m | ||
| Antenna Type | Cassegrain | ||
| Surface Accuracy（RMS） | ≤0.3mm | ||
| Antenna Pointing Range Azimuth Elevation Polarization | 0°~360°，±10°(Continuous) 0°~90°(Continuous) ±360°(Continuous) | ||
| Drive Mode | Manual or Motorized | ||
| Antenna reflector Material | Aluminum Alloy | ||
| Finish of steel parts | Hot dipped Zinc | ||
| Environmental Specification | |||
| Operational Wind | 72km/h gusting to 97km/h | ||
| Survival Wind | 216km/h | ||
| Temperature | -40°~+60° | ||
| Relative Humidity | 100% | ||
| Solar Radiation | 1135Kcal/h/m² | ||
| Seismic(Survival) | 0.3g(H), 0.15g(V) | ||
| Ice Loading | 13mm Operational; 25mm Survival | ||