DatasheetMulti-band VHF/UHF, Communications Antenna
30 to 174 MHz, 225 to 512 MHz
SKU: 21-50-83
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The 21-50-83 is a rugged multifunction VHF/UHF communications antenna designed for airborne applications. A high strength vertical shell houses 30 - 174 and 225 - 512MHz linear elements to be used with separate VHF & UHF line of sight “LOS” communications radios. Footprint is compatible with Collins 437S-1H and Chelton 12-437 series antennas.
- Aero-dynamic design
- Light weight/ high strength
- Fully environmentally sealed
- Internal VHF/UHF filters
- Full 30-512 MHz LOS communications
- AN/ARC-210, AN/ARC-231, ARC164 & SINCGARS compatible.
- Designed to MIL-STD-810 Environmental Conditions
| 21-50-83 | |
| Model # | 21-50-83 |
| Brand | Cooper Antennas |
| Frequency |
30-174 MHz / 225-512 MHz |
|
| Gain |
≥ -19 dBi @30 MHz ≥ -7 dBi @88 MHz ≥ -1 dBi (average) over 118 -174 MHz ≥ 0 dBi to +3 dBi over 225 - 512 MHz |
|
| VSWR |
≤ 2.5:1 |
|
| Impedance (nominal) | 50 Ohms for both ports | |
| Power |
50 Watts (30 – 88 MHz) 50 Watts (118 - 174 MHz ) 100 Watts (225 - 512 MHz) |
|
| Polarization |
Vertical |
|
| Antenna RF Connector |
UHF VHF |
N Female TNC Female |
| Height | 13 inches max (330 mm) |
| Weight | 6.5 lbs (2.95 kg) |
| Fixing Holes | 8 x Ø 0.205 inches (5mm) holes, counter bore Ø 0.43 inch (10.9mm) |
Finish
- Antenna - Urethane Lusterless Black
- Baseplate - Unpainted, Alocrom
- Other finish options are available.
- Please specify finish required when ordering.
Datasheet:
