Cell Phone Booster Triple Band 850MHz at&t 700MHz Verizon 700Mhz Signal Antenna 2G 3G 4G for Home or Office CLEAR AND CONSISTENT SIGNAL- AnyCall Band (Band 5,12,17,13)Boosters enhances signal of Most North American cell carriers including AT&T, Verizon, Sprint and T-Mobile and so on. With a stronger cellular signal, youll receive text messages faster and more consistently. RELIABLE UPLOAD&INACTIVITY MODE- When sending documents or photos, a strong, steady signal is necessary. Providesabettersignalforvocie or dataandGSM 3G 4G signalonallNorthAmericancarriers while no user calls, the device works in standby mode, the static power is decreased by 30%, purpose of energy saving. SIMPLE INSTALL EASY USE-An omni-directional outdoor antenna reads signals that originate from any direction. If you have multiple cell phone towers in your area, this is the best type of outdoor antenna to use. This type of antenna also works well if the external signal strength is average in your area. MULTIPLE FEATURES- Assembled with Automatic Gain Control;When the downlink output signal is too strong or self-oscillated, the uplink and downlink can automatically reduce the gain and reduce the interference signal. Automatic Power Shut Down; When the self-oscillation occurs, the MCU sends out the instruction and shut down the PA. EXCELLENT GUARANTEE AND SERVICE- FCC authentication certificated;30 days customers satisfaction;3 months free replacement; 5 year manufacturer warranty.This booster only work with right frequency, please confirm the booster kit before you purchase if it is match with your cellphone frequency or not. You can check with your carrier, or contact us for help via email. 1 * Booster 1 * Power Adapter 1 * Mounting Screw Kit 1 * English User Manual 1 * Indoor Antenna 1 * 8dBi Outdoor Antenna with 15m (about 49.2ft) Cable AnyCall Boosters enhance voice, text and 4G LTE data for Most North American cell carriers including AT&amp;T, Verizon, Sprint and T-Mobile. Fewer dropped calls and clearer receptionConversations easier to understand for both parties. Coverage up to 2500sqft, Increases signal strength for multiple simultaneous users. Give your smartphone, tablet, data card, and notebooks boosted speeds all at the same time while using the Home 2/3/4G. Boost 4G LTE signal for entire home, office, cottage, and office. Works on ALL phones. Simple Installation,plug and play to achieve indoor wireless coverage. Plug and play, requires no technical experience. Equipped with FCC Licence.