CPI SAT 3982 98cm Ka-Band Antennaa
RX/TX and Receive Only for circular and linear polarization from 27.0 - 31.0 GHz
3982 .98M Ka-Band Antenna
The CPI SAT (formerly GD Satcom Technologies & Prodelin) 3982 98cm Ka-Band Antennas feature high gain for circular and Ka-Band linear polarization signal reception and transmitting system applications.
Model Numbers
3982-990 w/0800-3566 Linear Cross POL Receive Only
3982-990 w/800-3276 Circular RX-Only
3982-990 w/0800-4445 RX/TX Linear Cross-POL
3982-990 w/0800-4446 Circular Tx/Rx
3982-990 w/0800-4690 Dual-Linear Receive-Only
3982-990 w/0800-4693 Dual-Circular RX-Only
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 |
Ka-Band Circular |
Ka-Band Linear |
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Antenna Size |
0.98 M |
0.98 M |
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Operating Frequency (GHz) |
Receive |
19.20 - 20.20 GHz |
18.20 - 21.20 GHz |
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Midband Gain ( +/- .2 dB) |
Receive |
44.30 dBi |
44.30 dBi |
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VSWR |
1.3:1 max |
1.5:1 max |
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Pattern Beamwidth |
-3 dB |
1.10° |
1.10° |
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(in degrees at midband) |
-15 dB |
2.50° |
2.50° |
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Sidelobe Envelope, Co-Pol (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 |
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26.3° < q ≤ 48° |
32 - 25 Logq dBi |
32 - 25 Logq dBi |
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q > 48° |
-10 dBi (averaged) |
-10 dBi (averaged) |
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Antenna Noise Temperature 5° Elevation 10° Elevation 20° Elevation 40° Elevation |
171 K 127 K 94 K 74 K |
174 K 130 K 97 K 77 K |
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Power Handling |
N/A |
N/A |
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Cross Polarization Isolation On Axis Within 1.0 dB Beamwidth |
17.70 dB 17.70 dB |
30.00 dB 26.00 dB |
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Output Waveguide Interface Flange |
WR42 |
Rx: WR42 |
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Mechanical |
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Reflector Material |
Glass Fiber Reinforced Polyester SMC, Ka-Band Formulation |
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Antenna Optics |
1-piece Offset, Prime Focus |
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Mast Pipe Size |
2.5” SCH 40 Pipe (2.88” OD) 73.2 mm |
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Elevation Adjustment Range |
5°to 90°, Continuous Fine Adjustment |
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Azimuth Adjustment Range |
360° Continuous Coarse Adjustment, ± 10°Fine Adjustment |
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Shipping Specifications |
Approx. Net Weight: 55 lbs. (25 kg.) Approx. Packaged Weight: 65 lbs. (30 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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Ice (operational) |
------------------- |
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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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Receive Only Ka Circular and Linear
