CPI SAT Quad Band 3.9M Folding Mobile Satellite Antenna System
Highly Mobile Communications Terminal, Milsatcom Compliant
The CPI SAT (formerly GD Satcom Technologies & Prodelin) Quad Band 3.9m satellite antenna is rugged and highly portable. This 3.9m antenna can be mounted on a truck or trailer and is perfect for military satcom applications that require highly mobile systems.
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Frequency (GHz) |
3.625-4.200 |
5.850-6.425 |
7.250-7.750 |
7.900-8.400 |
10.950-12.750 |
14.0-14.50 |
20.200-21.200 |
30.-31.0 |
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Antenna Gain at Midband, dBi |
42.60 |
46.70 |
48.20 |
48.90 |
52.10 |
53.70 |
56.70 |
59.30 |
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Antenna Noise Temperature |
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5° Elevation |
63 K |
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72 K |
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78 K |
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199 K |
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10° Elevation |
54 K |
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61 K |
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64 K |
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153 K |
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20° Elevation |
49 K |
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55 K |
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54 K |
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117 K |
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40° Elevation |
46 K |
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53 K |
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49 K |
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98 K |
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Typical G/T at 20° Elevation |
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35 K LNA |
23.4 dB/K |
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50 K LNA |
22.7 dB/K |
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60 K LNA |
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27.6 dB/K |
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80 K LNA |
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26.9 dB/K |
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70 K LNA |
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31.2 dB/K |
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90 K LNA |
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30.5 dB/K |
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120 K LNA |
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32.8 dB/K |
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200 K LNA |
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31.5 dB/K |
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Pattern Beamwidth |
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-3 dB Beamwidth |
1.25 |
0.79 |
0.65 |
0.60 |
0.41 |
0.35 |
0.23 |
0.17 |
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-15 dB Beamwidth |
2.63 |
1.66 |
1.36 |
1.26 |
0.86 |
0.73 |
0.48 |
0.36 |
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Sidelobe Performance |
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For Angle A from 1° to 48° |
Meets IESS (Intelsat) |
Meets ITU-RS-580 |
Meets ITU-RS-580 |
Meets ITU-RS-580 |
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For Angle A from 48° to 180° |
or ITU-RS-580 |
Meets ITU-RS-580 |
Meets ITU-RS-580 |
Meets ITU-RS-580 |
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Cross Polarization |
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On Axis |
19.7 dB |
27.3 dB |
21.3 dB |
21.3 dB |
35.0 dB |
35.0 dB |
24.8 dB |
24.8 dB |
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Within 1.0 dB BW |
19.7 dB |
27.3 dB |
21.3 dB |
21.3 dB |
35.0 dB |
35.0 dB |
24.8 dB |
24.8 dB |
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VSWR |
1.30:1 |
1.30:1 |
1.30:1 |
1.30:1 |
1.30:1 |
1.30:1 |
1.30:1 |
1.30:1 |
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Axial Ratio |
1.80 dB |
.75 dB |
1.50 dB |
1.50 dB |
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1.00 dB |
1.00 dB |
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Port-to-Port Isolation |
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Rx/Tx (Rx frequency) |
0 dB |
-50 dB |
0 dB |
-110 dB |
0 dB |
-30 dB |
0 dB |
-50 dB |
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Tx/Rx (Tx frequency) |
-85 dB |
0 dB |
-110 dB |
0 dB |
-85 dB |
0 dB |
-85 dB |
0 dB |
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Feed Insertion Loss |
0.35 dB |
0.25 dB |
0.45 dB |
0.45 dB |
0.50 dB |
0.30 dB |
0.50 dB |
0.45 dB |
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Waveguide Interface Flange |
CPR-229G |
CPR-137G |
WR-137 |
WR-137 |
WR-75 Flat |
WR-75 Flat |
WR-42 |
WR-28 |
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Total Power Handling Capability |
2.00 kW CW |
2.00 kW CW |
2.00 kW CW |
100 W CW |
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RF Specification |
975-3759 |
975-3757 |
975-2089 |
975-2191 |
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Military Satcom (MIL-Satcom), Remote Communications, Mobile Uplink Stations
