N30 Series | Cell Phone Signal Booster for Home - Boost 4G LTE 3G Signal on Band 2,4,5

【UP TO 4500 SQUARE FEET COVERAGE】With high gain directional inside and outside antenna, the ANNTLENT cell phone booster provides enhanced cellular reception for up to 4500 square feet,allowing everyone to enjoy a stronger signal within its coverage area,including home,office,apartment,metal buildings,basement and remote areas. Once you purchase it, that is it. No subscription costs or hidden fees.【SUPPORT BAND 2, 4 AND 5】The signal repeater boosts 3G 4G and LTE signals for all cellular devices and cell carriers operating on band 2, 4 and 5. 【BUILT-IN ADVANCED FEATURES】The cell booster comes with a smart key feature of Automatic Gain Control that you really can’t live without. In addition to intelligently detecting the existing signal strength and automatically adjusting itself for best performance, it prevents inconvenient shutdowns and downtime that keep you from doing what you need to do.【EASY TO SETUP】Using a flat window cable, connecting the booster to its outside antenna, does not