Signalbox 65dB 850/1900MHz 3G 4G Cell Phone Signal Booster with Directional Yadi and Omni Whip Antennas (VERISON 700MHz) Frequency Range: 70dBi 776-787MHz/746-757MHz Standard Supported : Verizon 4G Data T-mobile 4G Data not Voice. But 850/1900MHz Dual Band is best if you need Voice and 3G Data. This is the ASIN: B016Q2XFBQ . REMINDER: This is a signal BOOSTER, not creator. If you have good service outside and poor service inside, this is the product for you. If you do not have service outside, this will do nothing for you. I/O Port : N-female on both ends Power Supply : Input AC 90-260V, Output DC 5V/ 2A