at&t signal booster 5g cell phone signal booster 4g lte t-mobile cricket us cellular band12/17 att cell phone booster at&t cell signal booster att signal amplifier repeater cell extender for home affanni 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