Enhances gain, range, and frequency functionality for full channel enjoyment. easy set up and stable signal reception. included intelligent ic chip and robust amplifier sign booster for long-distance high-speed transmission. improves reception accuracy for a clear and constant viewing experience. constantly searches for accessible channels for maximum results. Item Name: Digital Antenna Gain: 25DBi Frequency Range: 174-240/470-862MHZ Output Impedance: seventy five Ohms Standing-wave Ratio ≤1 Features: High Gain, Easy Connection, Stable Performance Colour:Black Material:plastic Package Contents: 1 x Tv Antenna Only the above equipment content, other merchandise should not included. Note: Light reflection and various displays may cause the colour of the object in the photograph just a little varied from the real thing. The measurement allowed error is +/- 1-3cm.