DatasheetVHF/UHF Multiple Dipole Antenna
118 to 137 MHz & 225 to 450 MHz
SKU: 20-50-22
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The 20-50-22 is a stacked pair of dipoles having proprietary feed circuitry to provide isolation and efficiency over the VHF ATC and UHF communions band. It is ideal for applications requiring co-sited antennas where mutual interference would otherwise be a problem.
Construction uses a high integrity composite cylindrical radome with internally foamed-in-place radiating elements. The antenna has a four-hole CECOM type base plate for mounting to a mast head or vehicle and the antenna elements are grounded and fully environmentally sealed. Inherent isolation is 15 dB and can be increased by use of in-line filters (available separately).
- Rugged, lightweight construction.
- Low Silhouette
- Full VHF ATC band plus extended UHF (EPLARS).
- Easy masthead installation.
- High radiation efficiency.
- Twin, isolated output.
- Designed to MIL-STD-810G environmental for all weather operations.
- Suitable for fixed, transportable and mast-mounted applications.
| 20-50-22 | |
| Model # | 20-50-22 |
| Brand | Cooper Antennas |
| Frequency |
118-137 MHz 225-450 MHz |
| Gain (typical) | 0 dBi |
| VSWR | ≤ 2.25:1 |
| Impedance (nominal) | 50 Ohms |
| Power | 100 Watts CW |
| Isolation | 15 dB |
| Radiation Patern | Omni-directional within ±1dB “Doughnut” in elevation |
| Antenna RF Connector |
1 x N Female (UHF) 1 x TNC Female (VHF) |
| Overall Height | 84 inches (2134mm) max |
| Element dia. | 3 inches (76.2 mm) |
| Weight | 10 lbs (4.55kg |
| Wind Loading | In excess of 100mph (160km/hr) |
| Operating Temp | -51°C to +71°C |
Finish
- Antenna - Urethane lusterless Black
- Other finish options are available.
- Please specify finish required when ordering.
Datasheet:
