Read These First:1.Before using it, please determine if your TV is a smart TV or a TV without an HD tuner, if it is a smart TV, you can use the antenna directly, if it is needed for a TV with an HD tuner, it is a digital converter box that is needed before you can use it. (You can refer to the picture introduction)2.When the antenna is installed, you need to rescan the channels so that you can sync the previous channels to the new antenna.Description:This magnetic base HDTV antenna helps you get stronger HDTV signal to watch more HD TV programs and videos.The high gain 35dBi antenna gives you a stronger signal with high sensitivity to receive programs of better quality.And built-in high frequency ensures the stability and smoothness of signal, thus providing you with a more brilliant watching TV enjoyment. Features:Adopting high gain 35dBi antenna to boost signals for HDTV.Made of high-quality metal, signal transmission is faster and more stable.High frequency of VHF(172-240Mhz)/ UHF(470-860Mhz) with high sensitivity plus high gain 35dBi ensure the stability and smoothness of signal transmission. Give you a great watching TV enjoyment.This antenna receives multiple kinds of signals, including ATSC, DVB-T, DVB-T2, ISDB. It is compatible with 720P, 1080i, 1080P/ ATSC. Enabling you to enjoy HD videos.This high gain antenna widens the signal receiving/ transmitting range to 500 miles, which allows you to get more signals, thus more HD TV programs.This magnetic base TV signal amplifier antenna supports plug and play. No need for drive or software. How to Use:Step 1: connect the end(f-male) of an attached coaxial cable to the ANT/IN connector on the back of the TV or DVB-T tuner.Step 2: In the TV's setup menu, set the tuner mode to "Antenna" or "Air". for more detailed instructions, please refer to your TV manual.Step 3: In the Tv'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 for detailed instructions.Step 4: if the reception is sporadic, try moving the antenna to another location and rescanning the TV until the optimal position is found.Step 5: fix the antenna at the optimal position you found. Specification:Type: DVB-T2 AntennaMaterial: MetalWorking frequency: VHF(172-240Mhz)/ UHF(470-860Mhz)Impedance: 75ΩLNA high gain: 35dBiReceiving signal: ATSC, DVB-T, DVB-T2, ISDBCompatibility: 720P, 1080i, 1080P/ ATSCCable length: approx. 10 meters/ 32.8ftConnector: F maleVoltage: 5VPower consumption: 20mAWorking temperature: -45-85âStorage temperature: -45-85â Q & AQ: What if I can't receive the signal with the TV antenna, or the antenna can't reach the expected effect?A:1. Check if the antenna is properly connected to the HDTV or a third party HDTV receiver, such as a TV set-top box.2. Rescan the channel and set the mode to Antenna or Air in the TV setup menu, please refer to the TV manual for detailed instructions.3. If you previously saw a snowy (but watchable) image on an analog TV channel, you may not have a strong enough signal to display this new format. Try repositioning the antenna in a different location, sometimes moving it just a few feet can make a difference. Package Included:1 x TV Antenna