VHF Airborne Antenna (SINCGARS)
30 to 88 MHz
SKU: 21-20-38
Contact us for latest price
Sold Out - Backorder Available
The 21-20-38 is an externally mounted airborne VHF antenna operating at 30 to 88 MHz.
A fiberglass rod with an internal element is fitted into an aluminum base which contains foamed-in place matching circuits capable of handling up to 50 Watts power.
The method of construction provides protection from world-wide military environmental conditions including high vibration, shock and temperature variations.
- Covers 30-88 MHz without tuning
- Very lightweight
- For helicopter and fixed wing aircraft up to 350 Knots
- Glass/Epoxy –Aluminum construction
- Small footprint
- Meets AS3191 lightning requirements
- Designed to MIL-STD-810 Environmental Conditions
| 21-20-38 | |
| Model # | 21-20-38 |
| Brand | Cooper Antennas |
| Frequency | 30 - 88 MHz |
| Gain (typical) | -18dBi @ 30MHz |
| VSWR | ≤ 2.5:1 |
| Impedance (nominal) | 50 Ohms |
| Power | 50 Watts |
| Polarization | Linear (vertical when vertically mounted) |
| Radiation | Nominally omni directional in azimuth plane |
| Antenna RF Connector | TNC Female |
| Construction | High density foam filled epoxy/fibre glass shell set in aluminium alloy base collar |
| Height | 21.5 inches (546mm) max |
| Weight | 0.55 lb (0.25kg) max |
| Side Loading | ≥ 8 psi ultimate |
| Base Plate Shape | Tear drop |
| Fixing Holes | 4 x Ø 0.170 inches (4.3mm) ±0.005 inches (0.127mm) holes, counter sunk at 100° Ø 0.280 inches (7.1mm). |
Finish
- Urethane Lusterless Black
- Other finish options are available.
- Please specify finish required when ordering.
Datasheet:
