AT&T Signal Booster 4G LTE Cell Phone Signal Booster FDD 700Mhz ATT T-Mobile Cellular Signal Booster Band 12/17 Cell Phone Booster HJCINTL High Gain Mobile Phone Signal Booster Repeater for Home

Price: $82.00
(as of Feb 04,2021 04:36:38 UTC – Details)

Product Description

The cell signal booster is designed for Band12/17 AT&T, T-mobile 700MHz 4G LTE. 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. If you live in a remote area with weak signal, this booster will be a good choice for you to boost your bad signals.

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 cellular signal booster only supports band 12/17, please confirm if your cellphone band is covered by the booster before purchase.

⑴ For Android phones, please download “LTE discovery” APP, press ‘SIGNALS’, then check ‘EARFCN’.

⑵ For iPhone, please click NO. *3001#12345#*, click “Serving Cell Info”, then check ‘Freq Band Indicator’.

Package includes:

1 * att Signal Booster
1 * Indoor Whip Antenna
1 * Outdoor Panel Antenna
1 * 50ft Coaxial Cable
1* 12V Power Adapater
1* English User Manual
4* Screws for Mounting

signal booster
signal booster




– Boost 4G LTE Signals

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

Solve your poor mobile signal issues , Enjoy your life.

– Good Cell Reception

Good cell phone signal reception. Reduce dropped calls, better voice quality, faster uploads and downloads.

– Fast network Data

Faster high-speed 4G LTE internet. No more slow internet connections or long buffer times while watching your favorite streaming TV shows and movies.


How the HJCINTL Signal Booster works

✔The outside Panel antenna reaches out to the cell tower to access voice and data signals.

✔The high gain signal repeater receives the outside signal from the outside antenna.

✔ The signal booster amplifies the outside signal, and sends it to the inside antenna.

✔ The inside Whip antenna broadcasts the boosted signal to all cellular devices inside the home.










1. Find the strongest cell phone signal outside and mount the outside panel antenna outside and pointed in the direction of the strongest signal.

2. Connect the coax cable from the indoor ceiling antenna to the 4G booster.

3. Connect the coax cable from the outside antenna to the Home 4G booster.

4. Connect the power adapter to the booster and it will get working.

signal booster
signal booster

▶【Excellent Function】 – This at&t signal booster reduces dropped & missed calls, better cell phone voice quality. No more miss massage and the verification code. Fast uploads and downloads with faster high-speed 4G LTE internet . You can review the page online fluently. No more slow internet connections or long buffer times while watching your favorite streaming TV shows and movies.
▶【Widely Coverage & Application】- The cell phone signal Amplifier ‘s Coverage Range can up to 2000 sq.ft. Support Multiple Devices and Users. This cell signal booster can be applied in outdoor and indoor places, such as airports, tourist areas, golf courses, tunnels, factories, mines, villages, hotels, convention centers, basements, shopping malls, office buildings, residential buildings, etc.
▶ 【Carrier Compatibility】- The cell signal booster receives good and consistent cellular service 4G LTE Signals for AT&T, T-mobile, Straight Talk U.S. Cellular carrier as well as all phones and cellular-connected devices including IOS, Android, Windows Phone Systems, etc.
▶【Warranty】- All of the components you need for installation are included in the package , It’s very easy to install. 65 dB max gain signal repeater with FCC authentication certificate. One Year Manufacturer Warranty , 30-day money-back guarantee. If there are any question or problem of our product, please feel free to contact us.


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