AT&T Cell Phone Signal Booster NBV70, 4G LTE Cellphone Band 700MH 12/17 Extender

AT&T Cell Phone Signal Booster NBV70, 4G LTE Cell Phone Band 700MH 12/17 Cell Phone Range Extender The Outdoor Panel -directional antenna captures cellular signal from direction of signal tower. The Indoor at&t cell extender , signal amplifier boosts cell signal received from and sent back to the cell tower. Powered by a standard wall-outlet 12V AC power supply. The Indoor whip omni-directional antenna rebroadcasts boosted cellular signal to multiple mobile devices. Antenna connects directly to att phone signal booster. At&t cell phone signal booster increases voice, Data signal strength for all North American area At&t cell signal booster At&t booster Boost your AT&T T Mobile 4G LTE Band 12/17 Cell Signal Inside your Home, Office, Basement, Remote Area. Easy to set up , Cellular signal booster at&t Solve your bad reception, Get Excellent cell signal service , Enjoy your Life !