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The Comar AV20 is a compact AIS antenna featuring a rubber-coated helical whip. Its lightweight construction and low windage make it suitable where antenna size and weight are important. The base includes a weather-protective skirt around the BNC connection, while the supplied right-angle bracket and 3 m patch cable simplify installation.
It is specifically designed for use with the COM100 lightweight AIS receiver, making it suitable for remote/mobile AIS monitoring applications
| Item | Technical Specification |
|---|---|
| Manufacturer | Comar Systems |
| AMI Marine SKU | COM-0023 |
| Comar SKU | 001-1054 |
| Model | AV20 |
| Product Type | Quarter-Wave Helical AIS Antenna |
| Antenna Type | ¼-wave helical whip |
| Application | AIS reception |
| Frequency | AIS band, optimized around 161.5 MHz |
| Impedance | 50 Ω |
| Radiation Pattern | Omnidirectional / 360° |
| Polarization | Vertical |
| Gain | Unity |
| Power Rating | 50 W |
| VSWR | <1.5:1 at resonance |
| Bandwidth | ±3% @ 2:1 |
| Length | 180 mm |
| Weight | Approx. 87 g |
| Construction | Rubber-overmoulded helical whip |
| Connector | BNC |
| Cable | 3 m RG58 patch lead |
| Mounting | Right-angle bracket |
| Environmental Protection | Watertight |
| Windage | Low windage / compact design |
| Suitable AIS Equipment | Comar COM100 series AIS receiver |
| Typical Application | Compact/mobile AIS monitoring, UAVs and remote installations |
| Origin | United Kingdom |
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