Cell Phone Booster for Home & Multi-Room, Cell Phone Signal Booster with 2 Indoor Antennas for Band 66/2/4/5/12/17/13/25,Up to 6000 Sq.Ft,Boost 4G 5G LTE Data for All U.S. Carriers, FCC Approved

Cell signal booster comes with advanced features like Automatic Gain Control, Self-oscillation Elimination to detect the level of an incoming signal and adjusts itself for the best performance, Wireless connects multiple devices, Automatic gain control, this booster has strong anti-interference and low noise characteristic function.
Cell phone signal booster provide 30 DAYS MONEY BACK and 3 YEARS MANUFACTURER WARRANTY.