Antenna Amplifier Input Impedance: 50Ω. Output Impedance: 50Ω. Antenna Input Connector: BNC. Antenna Output Connector: BNC. Gain: 3dB/12dB. Bandwidth: 500MHz. Power Supply: DC9V. Weight: 150g. Dimensions: 25mm×45mm×75mm. Directional Wideband Antenna Frequency Range: 450-950MHz. VSWR: Omni Directional. Insulation