Characteristics of indoor HD antenna:1,the use of the latest technology has one of the best reception effects in all local channels, covering 160 miles2,Light and soft design and strong signal receiving ability make this antenna the first choice for all families3, the super-long coaxial cable allows you to install it anywhere you want it to appear4, the product is safe and reliable, allowing you to apply any colors and materials that match your home decoration style, and will not cause insecurity and affect its signal acceptanceInstallation method:1. please visit antennapoint or antennaweb to check the nearby radio tower.2. Visit dtv.gov/maps to confirm available channels.3. Put the antenna on the window or as high as possible4. Connect HDMI cable from amplifier to TV.5. Enter TV and make sure it is set as TV.6. Set the menu on your TV menu and make sure it is set to air or antenna, no matter which TV menu you use.7. Go to "Scan Channel" or "Channel Scan", select "OK" and scan the menu.Matters needing attention:1. If the TV does not have a built-in tuner, you can add an ATSC digitizer box to receive high-definition signals, and check the TV manual for confirmation.2. Check and ensure that the HD antenna is correctly connected to HDTV or third-party HD receiver.3. Rescan the channel: in the TV setting menu, set the mode to hdtv antenna or air.4. Try different positions and lift the antenna as high as possible. Or near the window, be sure to rescan the channel after moving the position.Indoor antenna specifications:1?Frequency range: 47-230MHz, 470-862MHz2?Receiving range: VHF/UHF3?Gain: 28dB4?Output Level:100dB?V5?Impedance: 756?Power Supply: Via USB Power Adapter(5V/100mA)7?Optional USB Adapter 5V 200mA