AT&T Cell Phone Signal Booster 4G LTE FDD 700Mhz US ATT T-Mobile Signal Booster Amplifier Indoor HJCINTL Band12/17 Home Mobile Phone Signal Booster Repeater Kits

Before purchase, please make sure your phone network's frequency is compatible with this signal booster.

The signal booster device can only boost the mobile signal from base station,it can not create a signal,so if there is no any signal outside your house,the signal boosters would not help you at all. The cell signal booster is designed for Band12/17 700MHz 4G LTE ATT T-mobile . It can receive the signal from the signal tower at your location, then amplifier your mobile signal, solve your bad mobile network signal and enjoy your nice time.

The signal booster can only boost signal for cell phones on band 12/17 , Please check which band your cell phone is using by the methods below:

For iPhone:

Dial *3001#12345#*, then press Call button

Click 'Serving Cell Info'

Check 'Freq Band Indicator';

For Android phone:

Download and install "LTE Discovery" APP,

Click ‘SIGNALS’ and check band number.

Boost 4G LTE Signals

Receive good and consistent signal , Boost your cell phone cellular service 4G LTE Signals.

Good Cell Reception

Solve your bad reception. Reduce dropped calls, better voice quality, faster uploads and downloads.

Fast network Data

No more slow internet connections or long buffer times while watching your favorite streaming TV shows and movies.