SolidRF Cell Phone Signal Booster SOHOMAX Kit Cellular Booster Verizon 4G LTE Tri-Band All Carriers AT&T T-Mobile Sprint 2G/3G for Home Supports 5,000 Sq Ft Two inside antennas Works on U.S. and Canadian Carriers 2G/3G/4G networks, Any network using 700 MHz (band13) /850 MHz or 1900 MHz Allows multiple mobile devices to be used simultaneously High integration semiconductor circuits design C easily installed Reduces radiation and extends battery life C up to 2 hours additional talk time in weak signal areas.