Cell Phone Signal Booster for Home Or Office - Reduce Dropped Calls - 65dB Gain Dual Band 850MHz 1900MHz Cellular Repeater BETTER VOICE AND DATAGet fewer dropped calls, better voice quality, faster uploads and downloads. You could share you enjoy time the via good voice call and you don't worry about the call will dropped suddenly. WORKS WITH ALL CELLULAR DEVICES Boosts performance for iPhone, Samsung, Android and other phones and mobile devices. COMPATIBLE WITH ALL US NETWORKSWorks on Verizon, AT&T, T-Mobile, US Cellular, Straight Talk and more, compatible with all mobile phones and devices operating on CEL (850 MHz, band 5) and PCS (1900 MHz, band 2). QUICK, EASY SETUP Omni-directional outdoor antenna receives signal from all directions (no aiming required), if you have moderate signal and want to support several network providers, this is a popular choice. PERFORMANCE GUARANTEED FCC Certified, 30-day money-back guarantee, 3-month free replacement, 3-year manufacturer warranty.