Airborne AIS Blade Antenna
160 to 165 MHz
The 21-20-60 is a high performance VHF airborne blade antenna suitable for helicopter and sub-sonic aircraft intended for use with Automatic Identification Systems (AIS).
Mechanical design of the blade comprises an internal printed circuit, foamed-in-place into a high strength epoxy-glass radome fitted to an aluminum alloy base block having an integral mounting flange and finished in urethane lusterless grey.
Structural design ensures high side loading acceptance and long term reliability. Can operate up to 50,000 feet.
- Covers AIS Frequencies
- High Strength Composite Blade with Aluminum Alloy Base Block
- Single ‘TNC’ Connector
- Environmental Performance to MIL-STD-810
- Fully sealed for environmental integrity.
- DC Grounded
|Frequency||160 MHz to 165 MHz|
|Gain (typical)||≥ +2 dBi|
|Impedance (nominal)||50 Ohms|
|Power||25 Watts CW|
|Polarization||Essentially Vertical (when mounted vertically)|
|Radiation||Nominally omni directional in azimuth plane|
|Antenna RF Connector||TNC Female|
|Antenna Shell Type||Glass loaded thermo plastic blade|
|Height||7.75 inches (197mm)|
|Weight||1.8 lbs (0.81kg)|
|Side Loading||≥ 4 psi ultimate|
|Fixing Holes||6 x Ø 0.203 inches (5.16mm) holes|
- Urethane Lusterless Gray
- Other finish options are available.
- Please specify finish required when ordering.