DatasheetWide-band VHF/UHF Airborne Blade Antenna
30 to 512 MHz
SKU: 21-50-133
The 21-50-133 is a vertically polarized, omni-directional antenna, compatible with all popular airborne radios operating within the 30 to 512 MHZ frequency range. This antenna can handle up to 50 Watts of power and requires no external tuning.
This wideband, multi-function antenna developed by Cooper Antennas Ltd is particularly suited to tactical military communications. Rugged design ensures reliability in world wide conditions of service on helicopters and subsonic aircraft.
Use of proprietary matching techniques optimizes efficiency and provides omnidirectional radiation throughout the operating frequency range. The element is DC grounded for lightning protection.
| 21-50-133 | |
| Model # | 21-50-133 |
| Brand | Cooper Antennas |
| Frequency |
30 - 512 MHz (continuous coverage) |
|
| Gain |
30 MHz ≥ - 22 dBi 88 MHz ≥ - 14.0 dBi 108 to 174 MHz ≥ - 3 dBi average 225 - 512 MHz ≥ 0 dBi average |
|
| VSWR |
≤ 2.5:1 |
|
| Impedance (nominal) | 50 Ohms | |
| Power |
50 Watts CW |
|
| Polarization |
Vertical |
|
| Radiation |
Azimuth : Nominally omni-directional Elevation : Similar to a stub |
|
| Antenna RF Connector |
TNC Female |
|
| Antenna Shell Type | High density foam filled epoxy/fiber glass shell with aluminum alloy top-tube set in aluminum alloy base. |
| Height | 9 inches (229 mm) |
| Weight | 4.5 lbs (2.04 kg) |
| Base Plate Shape | Oval |
| Fixing Holes | 10 x Ø 0.208 inch (5.3mm) holes, counter bored Ø 0.48 inches (12.2mm) |
Finish
- Antenna - Urethane Lusterless Black
- Other finish options are available.
- Please specify finish required when ordering.
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