CPI SAT Model 1139 1.2m Ruggedized Quick Deploy Flyaway Antenna
2 Piece reflector for increased surface tolerance accuracy
1139 Series QD VSAT
The CPI SAT (formerly GD Satcom Technologies & Prodelin) Model 1139QD is a 1.2m Ruggedized Quick Deploy Flyaway Antenna system that's compatible with all popular BUCs and modems. The General Dynamics SATCOM Technologies lightweight 1.2-meter Quick Deploy antennas are designed for worldwide transmit and receive operation in C, X, Ku and Ka-band.
Composite Reflector
These portable antennas consist of Precision Compression Molded reflectors and stainless steel tripod base mounts. This results in a durable antenna with superior stiffness and high performance under wind loading conditions. The unique shape and the accurate reflector surface provide good sidelobe and cross-polarization performance. The antenna system reflector consists of a two-segmented SMC compression molded assembly. Repeatability is maintained with precision registration of the reflector segments and the feed support structure. The 1.2-meter antenna, including the feed, is packaged in three portable cases.
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Frequency (GHz) |
3.625 - 4.200 |
5.850 - 6.425 |
3.625 - 4.200 |
5.850 - 6.425 |
7.250 - 7.750 |
7.900 - 8.400 |
10.950-12.750 |
13.750 - 14.500 |
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|
Antenna Gain at Midband, dBi |
32.1 |
35.8 |
32.0 |
35.8 |
37.6 |
38.3 |
41.6 |
43.2 |
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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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|
Pattern Beamwidth (in degrees at midband) -3 dB |
4.21 |
2.75 |
4.21 |
2.75 |
2.20 |
2.03 |
1.36 |
1.15 |
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-15 dB |
8.84 5.78 |
8.84 5.78 |
4.62 4.26 |
2.86 2.41 |
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Sidelobe Performance |
IESS 601 STD G |
IESS 601 STD G |
IESS 601 STD G |
IESS 601 STD G |
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Antenna Noise Temperature 5° Elevation |
61 K |
73 K |
69 K |
71 K |
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10° Elevation |
43 K |
55 K |
56 K |
56 K |
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|
20° Elevation |
37 K |
50 K |
51 K |
49 K |
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|
40° Elevation |
39 K |
51 K |
52 K |
48 K |
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Power Handling |
2 kW CW |
1 kW CW |
1 kW CW |
2 kW CW |
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|
Cross Polarization Isolation On Axis |
30.0 dB 30.0 dB |
17.6 dB 19.1 dB |
21.3 dB 21.3 dB |
30.0 dB 30.0 dB |
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Within 1.0 dB Beamwidth |
26.0 dB |
26.0 dB |
17.6 dB |
19.1 dB |
21.3 dB |
21.3 dB |
27.0 dB |
27.0 dB |
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Output Waveguide Interface Flange |
CPR-229G |
CPR-137G |
CPR-229G |
CPR-137G |
CPR-112G |
CPR-112G |
WR-75 Flat |
WR-75 Flat |
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|
RF Specification |
975-3072 |
975-3542 |
975-3514 |
975-3078 |
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