GPA 108-136
Ground Plane Antenna - 500W
The Sirio GPA 108-136 is a 1/4 λ VHF air band base antenna. Made of robust aluminum alloy and weather-resistant plastic. High-quality materials ensure maximum efficiency and long-term use. Sirio GPA 108-136 - VHF ground plane type antenna for base station applications in the 108MHz - 136MHz frequency range, tunable base antenna.
- Base station: mono-band omnidirectional, unity gain in 6063 T-832 aluminum alloy for perfect protection against the worst weather conditions;
- Type: 1/4λ ground plane, wide frequency range: 135 - 175 MHz impedance: 50Ω radiation (H-plane): 360° omnidirectional radiation (E-plane);
- Gain: 0 dBd - 2.15 dBi SWR band =2: GPA 108-136: =12.2 MHz at 108 MHz;
- Resonance SWR freq.: = 1.2 starting freq. max. power (CW) 30°C: 500 watts;
- Materials: aluminum, chrome-plated brass, nylon, wind load / resistance: 54 N at 150 km/h / 150 km/h and wind surface: (approx.) 0.05 sq. m, height: 1930 mm;
