**********Better 4G LTE Data and Voice - cell phone signal booster is designed to work for 4G Lte Band 13 network frequency, Uplink: 776MHz-787MHz, Downlink: 746MHz-757MHz. With High-tech LCD display to show its working status, let you use it better and more convenient. 65dB High Gain signal booster aims to help you say goodbye to dropped/ missed calls, improve battery life, offer higher audio quality and faster data and streaming. *****Support Multiple Cellulars & Users - The cell signal amplifier boosts cell service for iPhone, Samsung, HTC etc all brand phones and support multiple users at the same time; offering all users crystal clear calls and uninterrupted data, enjoy a more relaxed family life or a more productive workplace. *****Larger Coverage Upto 4000sq. ft. - The cell phone booster comes with High Gain indoor panel and outdoor yagi antennas, it will bring you good cell connection cover up to 4, 000 sq. ft. in your home, office, villa, garage, basement and so on. The outdoor an