Digital Indoor Outdoor TV Antenna HDTV DTV Box High Gain VHF UHF ReceiverIdeal for the locations where there is good signal reception， but where you can not or are not allowed to put an outside TV antenna. If you have more than on TV， it is better to use one antenna per TV for best possible reception. Also，you can avoid the hassle of running wires all over the house by using one antenna per TV.Work greatly with Digital TV sets， DIGITAL Converter Boxes， and also with older analog setshooked to converter box.Lots of high definition over-the-air HDTV programming in many areas which you can enjoy with the help of this antenna， and you wont have to pay outrageous Cable fees for  it.  Over-the-air HDTV will offer a different experience.HD/DTV/UHF/VHF/FM Flat Indoor AntennaHD/DTV/VHF/UHF/FM Radio ReadyHDTV 1080P， 1080i， 720P SupportFrequency Range UHF/VHF 54-50 870 MHzPolarization: LinearFull Band DTV/VHF/UHF ReceiverImpedance: 75 OhmsGain 5dB (Max)Space SaverDimensions:approx. 8 x 8.75 x 0.01 inchPackage:1 x High Gain HDTV Digital Antenna