DatasheetMulti Function VHF/UHF & L-Band Antenna
30 - 512 Mhz 1600-2000 MHz
SKU: 21-50-105
The 21-50-105 is a high strength, passive, multi function blade antenna designed for aircraft operating up to Mach 0.85.
VHF/UHF performance is comparable to AS3191 antennas but is only 12" in height compared to 14.7" and the antenna includes a highly efficient 1600 - 2000 MHz element for data link.
The antenna has two connectors positioned to allow for drop-on replacement for Collins 437S-1H and Chelton 12-437 tunable blades.
Unique internal element design ensures excellent elevation patterns right through to L-band and the antenna is a fully sealed unit for reliable operation in world-wide conditions of service.
- Covers JTRS Comms and Data Link Frequencies.
- Drop-on replacement for 437S-1H and 12-437 Tunable Antenna.
- Passive design - requires no external tuning.
- High strength glass-epoxy radome
- Exceptional UHF and L-band gain
- VHF gain similar to AS3191
- High power - 75 Watts, VHF 100 Watts, UHF 200 Watts L-band
- Designed to MIL-STD-810 environmental
| 21-50-105 | |
| Model # | 21-50-105 |
| Brand | Cooper Antennas |
| Frequency |
30-512 MHz 1600-2000 MHz |
|
| Gain |
-23dBi @ 30MHz -12dBi @ 88MHz -2dBi @ 150MHz +2.5dBi average 200-512Mhz +2dBi average 1600-2000MHz |
|
| VSWR |
≤ 3.0:1 max (VHF) ≤ 2.5:1 max (UHF) ≤ 1.75:1 max (L-band) |
|
| Impedance (nominal) | 50 Ohms | |
| Power |
575 Watts (VHF) 100 Watts (UHF) 200 Watts (L-band) |
|
| Polarization |
Vertical |
|
| Antenna RF Connector |
TNC Female (V/UHF) N Female (L-band) |
|
| Overall Height | 12 inches |
| Fixings | 8 holes 0.205 diameter |
| Weight | 5.5 lbs max |
| Environmental | |
| Temperature | -56°C to +80°C |
| Environmental specifications generally in accordance with MIL-STD-810. | |
Finish
- Antenna - Lusterless Black Urethane
- Other finish options are available.
- Please specify finish required when ordering.
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