One For All SV9604 4 Way TV Signal Booster/Splitter Designed to boost your TV and Radio reception in poor signal areas. Features: Boosts your digital terrestrial and cable TV signals with 23dB Increases channel selection Incorporates a unique 3G/4G block filter, filtering out and blocking unwanted interference from mobile phones Prevents poor picture/sound quality caused by long cables and or multiple TV/audio sets Plug and play FM/VHF/UHF frequencies/channels Frequency range 88-790 MHz IEC connectors 1 input/4 output Power adaptor included.