Cell Phone Signal Booster Antenna for Home and Office - Boost Voice, Text and 3G Data - 62dB 850MHz 3G Repeater Antenna with Directional Antenna BETTER VOICE AND DATAGet fewer dropped calls, better voice quality, faster uploads and downloads. You could share enjoy time via the good voice call and you don't worry about the call will dropped suddenly. Invest in booster, enjoy better life now. COMPATIBLE WITH ALL US NETWORKS Works 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). WORKS WITH ALL CELLULAR DEVICES Boosts performance for iPhone, Samsung, Android and other phones and mobile devices. LARGE COVERAGE Directional indoor wall-mount panel antenna provides additional inside coverage for larger living/working areas by transmitting signal in the direction it is pointed. Covers up to 3500 square feet ( performs best in open spaces ), supports 50 simultaneous users. PERFORMANCE GUARANTEEDFCC Certified, 30-day money-back guarantee, 3-month free replacement, 1-year manufacturer warranty. Dial <span class="a-text-bold"><span class="a-text-italic">*3001#12345#*</span></span>, then press <span class="a-text-bold"><span class="a-text-italic">Call</span></span> button; Click &#039;<span class="a-text-bold"><span class="a-text-italic">Serving Cell Info</span></span>&#039;; Check &#039;<span class="a-text-bold"><span class="a-text-italic">Freq Band Indicator</span></span>&#039;. If it shows 5, please choose this booster. If the test result is other number, please choose another booster according to your band. Download and install the app: <span class="a-text-bold"><span class="a-text-italic">LTE discovery</span></span>; Press &#039;<span class="a-text-bold"><span class="a-text-italic">SIGNALS</span></span>&#039;; Check &#039;<span class="a-text-bold"><span class="a-text-italic">EARFCN</span></span>&#039;. If it shows 5, you can choose this booster. If the test result is other number, please choose another booster according to your band. 1 * Band 5 Signal Booster 1 * Indoor Panel Antenna with 16ft Cable 1 * Outdoor Yagi Antenna with 33ft Cable 1 * US Power Adapter 1 * Mounting Screw Kit 1 * English User Manual