Introduction: This antenna is a directional antenna of the FM-DV1. Larger radiant intensity can be obtained in the specified direction. The antenna array can be composed of multi-element antennas to achieve greater radiation gain. Features: 1. Frequency range 87.5-108MHz 2. Gain 4.5dBd 3. Vertical polarization 4. Directional radiation, flexible array 5. Stainless steel vibrator 6. Zero filling and beam down can be performed as required Technical Parameters: Electrical performance Frequency range: 87.0-108MHz Input impedance: 50Ω Input interface: L27-50K IF45-50K Rated average power capacity: 1KW/3KW VSWR (full bandwidth): <1.15 Polarization method: vertical Gain (relative to half-wave oscillator): 4.5dB Half power angle: vertical surface ±9 Water level ± 150 Lightning protection: DC grounding Mechanical behavior Size: 2000x1400x1075 Weight: 27Kg (stainless steel reflector) 39Kg (hot dip zinc steel reflector) Wind load: 750N (wind speed 150Km/h) Safety factor: 3 (wind speed 225Km / h) Material: Reflector: Stainless steel / hot dip zinc steel Vibrator: Stainless steel / copper Inner conductor: copper (silver plated) Protective cover: FRP Installation method: side hanging
Introduction: This antenna is a directional antenna of the FM-DV1. Larger radiant intensity can be obtained in the specified direction. The antenna array can be composed of multi-element antennas to achieve greater radiation gain.
