Digital Indoor TV Antenna,50 Mile Range HDTV Antenna with Amplifier Signal Booster and USB Power Supply(Black)

*Digital Indoor TV Antenna with Amplifier Signal Booster* Product parameters: Working Frequency : VHF(172-240Mhz)/UHF(470-860Mhz) VSWR : ?1.5 Impedence : 75 ? LNA Gain : 25dB Reception Range: 50 miles Size:210*120*0.6mm Cable : 1.5C-2V / Black L=4M Connectors : F Male Polarization?Linear Voltage : 5V Power Supply Connector : USB Current Consumption : 20mA Operation Temperature : -45 ~ 85? 1Storage Temperature : -45 ~ 85? Compatible with 720p, 1080i, 1080p/ ATSC How to adjustment of antenna directions1. Connect the antenna to TV properly.2.Set TV to Antenna mode.3.When the signal quality is low, adjust the location of the antenna or rotate it towards television station.4.you can watch the clear tv program until the signal quality gets improved.