ITEM NAME:980 Mile Range Antenna TV Digital HD 4K Antena Digital Indoor HDTV 1080P J5V2 980 Mile Range Antenna TV Digital HD 4K Antena Digital Indoor HDTV 1080P J5V2 Working Frequency:VHF (174-240Mhz) / UHF( 470-860Mhz) Power Supply Connector:USB Operation Temperature:-45 - 85℃ Storage Temperature:-45 - 85℃ Compatible with 720p, 1080i, 1080p/ ATSC VSWR:less than equal 1.5 Impedence:75 Ω LNA Gain:25dB Reception Range:980 miles (Max) Size:230X120 x 0.6mm Cable:1.5C - 2V/Lenth = 3m Connectors:Universal Polarization:Linear Voltage:5V Set up guide: Step1:Connect the end of attached coaxial cable to the ANT/IN connector on the back of the TV or Digital Converter Box,Plug the USV plug into the USB port of the TV or Digital Converber Box. Step 2:Hand held the antenna,near the window,place it horizontally or vertically. Step 3:In the TV's or STB's setup menu,set the tuner mode to"Antenna"or "Air"For more detailed instructions,please refer to your TV manual. Step 4:In the TV 's or STB 's setup menu,set TV to"scan"for channels.This can sometimes be listed as auto-program,auto-scan,channel search or channel scan. Consult the TV manual or detailed instructions. Step 5:If reception is sporadic,try moving the antenna to another location and rescanning the TV until optimal postition is found. Step 6:Fix the antenna at the optimal position you found.Adjustment of antenna directions Connect the antenna to TV properly.Set TV to Antenna mode.When the signal quality is low,adjust the location of the antenna or rotate it towards television station.you an watch the clear tv program until the signal quality gets improved. colour:black Material:Plastic + metal Package Contents: 1 * Antenna 1 * F To LEC Converter 1 * Instruction Manual