Type : IndoorFrequency Range : VHF(172-240Mhz) // UHF(470-860Mhz)Model Number : Digital TV AntennaCertification : CEPackage : NoCable : 1.5C-2V / Black L=4MConnectors : TV MalePolarization : LinearSize : 120mm*210mm*0.6mm/4.72inx8.37inx0.02inLNA Gain : 25dBFunction : Compatible with 720p, 1080i, 1080p/ ATSCModel : TV Male HDTV Antennakebidumei High Quality 4K 25dB High Gain HD TV DTV Box Digital TV Antenna 50 Miles Booster Active Indoor Aerial HD Flat Design How Many Free Channels Can You Get?dtv.gov/maps: Find out where the broadcast towers in your area are located.Antenna Web: Discover how many FREE channels are available from your local broadcastersProvides lists of available channels, coverage maps, and dynamic signal analysis maps for any location.Please Kindly Be Noted!1. If your TV doesn't have a built-in tuner, a Set Top Box is needed to pull in HDTV signals.2. If the signal is not satisfying or only a few channels are available, try connecting the amplifier.Keep the TV antenna away from the sources of interference, keep the TV antenna away from those big power consumption devices, such as air conditioner, elevator, hair dryer and microwave oven etc. Areas with large obstructions such as valleys, mountains,Building, etc3. Antenna signal strength can vary depending on distance from the tower, terrain, and weather. Reposition the antenna in a different location if needed. It is best for the antenna to be in line of sight with the TV tower(s) and avoid obstructions. Always re-scan for channels after moving the antenna. Features:1.light as a feather,allows you to place it anywhere and no power required2.match your home decoration,can be easily behind a picture,bookshelf or television3.fast and easy to set up-Unwrap,Plug it in and scan channels4.you can put it on the wall,on the table or the window(strongly recommended)and it will make you enjoy watching crystal clear digital&HD shows with many opportunities. Set up guide:step 1:connect the end(f-male)of attached coaxial cable to the ANT/IN connector on the back of the TV or DVB-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.atep 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 reception is sporadic,try moving the antenua to another location and rescanning the tv until optimal position is found.step 5:fix the antenua at the optimal position you found. Note:1.placing the antenna higher or close to/in a window may result in better reception.you must rescan whenever you move the antenna.2.if you use a flat HDTV,please go through your TV manual to make sure your TV comes with built-in tuner.3.make sure you are using a HD recerive;otherwise no HD channels can be picked up. please read receiver manual.4.you need to retune your TVs and digital receiver from time to ensure you are reseiving all available services.retuning takes only a few minites and can be done with your remote control.5.TV reception capacity depends on the distance among your home,transmitting tower and surrounding environments. Package included:1 * TV Antenna(without amplifier)