CPI SAT 1386 3.8M Rx/Tx Dual Axis C or Ku-Band VSAT Antenna
Operating Frequency (GHz) 3.625 - 4.20 GHz, 5.845 - 6.425 GHz, 10.95 - 12.75 GHz, 13.75 - 14.50 GHz
1386 3.8M Tx/Rx C or Ku-Band Antenna
The CPI SAT (formerly GD Satcom Technologies & Prodelin) 1386 C-Band or Ku-Band 3.8M Antennas feature high gain for circular and linear polarization and are a leading industry standard solution for applications where increased gain is necessary.
CPI SAT's products encompass the design, development, and manufacture of microwave and satellite communication VSAT antennas for domestic and international applications. Digisat international specializes in providing high quality, cost-effective antennas for both the two-way Very Small Aperture Terminal (VSAT) marketplace and receive-only applications. Additional products include unique special purpose antennas for such customers as NASA and defense contractors.
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Electrical |
C-Band Linear |
C-Band Circular |
Ku-Band Linear |
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Antenna Size |
3.8M ( 150 in.) |
3.8M ( 150 in.) |
3.8M ( 150 in.) |
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Operating Frequency (GHz) |
Receive Transmit |
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 |
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Antenna Gain at Midband (± .2dB) |
Receive Transmit |
42.00 dBi 46.50 dBi |
41.80 dBi 46.30 dBi |
51.20 dBi 53.00 dBi |
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VSWR |
Receive Transmit |
1.3:1 max 1.3:1 max |
1.3:1 max 1.3:1 max |
1.5:1 max 1.3:1 max |
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Pattern Beamwidth (in degrees at midband) |
-3 dB -15 dB |
Rx: 1.40° Tx: 0.90° Rx: 3.20° Tx: 2.00° |
Rx: 1.40° Tx: 0.90° Rx: 1.40° Tx: 0.90° |
Rx: 0.50° Tx: 1.00° Rx: 0.40° Tx: 0.90° |
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Sidelobe Envelope, Co-Pol (dBi) |
29 - 25 Logq dBi |
29 - 25 Logq dBi |
29 - 25 Logq dBi |
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100l / D < q ≤ 20° |
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20° < q ≤ 26.3° |
-3.5 dBi |
-3.5 dBi |
-3.5 dBi |
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26.3° < q ≤ 48° |
32 - 25 Logq dBi |
32 - 25 Logq dBi |
32 - 25 Logq dBi |
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q > 48° |
-10 dBi (averaged) |
-10 dBi (averaged) |
-10 dBi (averaged) |
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Antenna Noise Temperature |
5° Elevation |
55 K |
62 K |
70 K |
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10° Elevation |
45 K |
52 K |
60 K |
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20° Elevation |
38 K |
45 K |
55 K |
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40° Elevation |
36 K |
43 K |
45 K |
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Power Handling |
1 kW |
1 kW |
100 W |
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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 |
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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 factory when specifying this option. X-Band filters available upon request. |
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Output Waveguide Interface Flange |
Receive Transmit |
CPR 229 CPR 137 or Type N |
CPR 229 CPR 137 or Type N |
WR 75 WR 75 |
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Mechanical |
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Reflector Material |
Glass Fiber Reinforced SMC |
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Mount Type |
Dual Axis Motorized, Elevation over Azimuth, Galvanized Steel Construction |
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Actuators |
Recirculating Ballscrews |
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Antenna Optics |
Easy-to-assemble, 4 Pc., Offset Fed Prime Focus Design with 0.6 F/D optics |
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Mast Pipe Size |
10” SCH 40 Pipe (10.75” OD) 27.3 cm |
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Elevation Adjustment Range |
12° to 90° or 0° to 15° for Polar Latitudes |
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Azimuth Adjustment Range |
360° Continuous with +/- 35° Fine Adjustment |
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Angular Tracking Travel |
Elevation +/- 10°; Azimuth +/- 10° (within adjustment range) |
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Interface |
Electrically to ACU |
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Tracking Accuracy |
0.05° |
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Shipping Specifications |
Approximate Net Weight: Weight (nominal) 1125 lbs. (511 Kg) Approximate Packaged Weight: Weight (nominal) 1882 lbs. (855 Kg) |
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Environmental Performance |
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Wind Loading |
Operational Survival |
50 mph (80 km/h) 125 mph (201 km/h) |
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Temperature (operational) |
- 40°to 140°F (- 40°to 60°C) |
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Rain (operational) |
½” / hr |
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Atmospheric Conditions |
Salt, Pollutants and Contaminants as Encountered in Coastal and Industrial Areas |
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Relative Humidity |
0 to 100% with Condensation |
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Solar Radiation |
360 BTU/h/ft2 |
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High Gain TX/RX C-Band and Ku-Band Systems
