Use the ATT Cell Phone Signal Booster,<br>you can get better voice and data, fewer dropped calls, higher voice quality, and faster uploads and downloads.<br>This Booster extends your existing cellphone coverage in one to two rooms with a signal boosting range of up to 4000 sq. ft.. <br><br>This 4G LTE 700mhz Band 12/17 Repeater works with AT&T Cricket U.S. Cellular carriers in the United States:<br><br>Compatible Devices: Android/iPhone/Tablet PC(Required SIM Card)<br>Support Users:Multi-users<br>Basic Signal required: 2-3 bars Outdoor<br>Operate Frequency: 700mhz Band 12/17<br>Frequency Range:Uplink 698-716MHz;Downlink 728-746MHz.<br>Booster Gain: Uplink 60±2dB; Downlink60±2dB<br>ALC(Automatic Level Control): ≧30dB(Uplink/Downlink)<br>Power Supply:110 V input,12V output<br>Booster I/O Port: SMA-Female Both<br>Indoor Omni Antenna Gain:3/5dBi<br>Outdoor Directional Yagi antenna Gain: 8dBi<br>How The Home 4G Cell Phone Signal Booster Works<br>1. Receives Signal<br>The outside Yagi antenna points to the cell tower to access voice and data signals.<br>2. Transmits Signal<br>The booster receives the outside signal from the outside Yagi antenna.The 50ft coaxial cable transfers the outside signal into the Booster/amplifier.<br>3. Boosts Signal<br>The booster amplifies the outside signal, and sends it to the inside Sucker antenna.<br>4. Expands Signal<br>The inside Omni antenna broadcasts the boosted signal to all cellular devices inside the home or Office.<br><br>This package include the Cell Phone Booster ATT, an indoor sucker antenna, an outdoor directional Yagi antenna, a power supply, a 50ft outdoor 4d coaxial cable, a instruction manual. att cell phone signal booster, at&t cell phone signal booster,att cell phone booster, att cell signal booster,at&t cell signal booster for home,cell signal booster at&t,cell phone signal amplifier,att cell booster repeater,at&t signal booster,at&t cell signal booster,at&t cell phone booster,att cell phone signal amplifier,cell booster