25db Tv Antenna,support 4k 1080p and Older Tv's Indoor Hdtv Antenna

Your TV must be a digital TV to use this digital antenna. If it is an analog TV, you will need a digital converter box for your TV.You MUST rescan your TV channels any time a new antenna is attached. Your previously saved channels are synced to your previous antenna. You must resync the new antenna with the TV by rescanning the channels. Simply connect the new antenna without rescanning the TV channels won't work It is also highly recommended you rescan the TV channels after repositioning your antenna.Please make sure that you can receive the signal of TV channel before pasting it on the wall or window.Areas with large areas of obstacles, such as valleys and mountains, will reduce the effective range.Keep TV antennas away from power-hungry equipment, such as air conditioners, elevators, hair dryers and microwave ovens.Working frequency: VHF (170-240 Mhz) / UHF (470-860 Mhz)VSWR: less than or equal to 5Impedance: 75 ohmLNA gain: 25dBOntvangstbereik: 360Kleur: ZwartCable: 1.5C-2 V / length = 4 mConnector: UniverseleColour: blackMaterial: PCSize: 210 x 120 x 0.6mmPackage Contents:1 x antenna1 x signal amplifier1 x Connector1 x English manualOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.