Product: Becky Reusable Cinch StrapsHome Cell Phone Signal Booster, Signal Booster Amplifier for Verizon, AT&T, T-Mobile
Brand: BECKY
The cell phone amplifier signal booster works with the Networks of 4G LTE 700 MHz Band 12/13/17. 

cell phone antenna signal booster is compatible with Verizon/ AT&T/ T-Moblie/ Cricket/ Sprint/ Straight Talk. The Specified Operating Frequency is 700 MHz Band 12/13/17. Your cell phone currently operating frequency Band should be the SAME as this cell booster's, so the booster can Trigger signals connected properly between the Cell Tower and Cell Phone. The Cell Phone Booster Repeater Amplifier kit aimed at solving your Poor LTE 4G Network Problem and Cell Reception. The Cell Phone Antenna and Booster improve your Phone 4G Data and Enhance Calling voice quality. No longer Missed & Dropped Calls, enjoy high speed data. Convenient for using at Home/Office/Basement/Garage/Village/Remote areas.
How cell signal booster works 


1.The outdoor antenna captures signal from the signal tower 
2.The outdoor antenna transfers the signal to the cell booster via the Coaxial cable 
3.The booster amplifies cell signal and sends it to the Indoor antenna 
 4.The Indoor antenna rebroadcasts the signal insides to all mobile devices 
5.The Booster amplifies outgoing cell signal back to the signal tower

How to find the band
Make sure mobile data ison and WIFI is off
iOS:
1. Dial *3001#12345#* and press call
2. Click Serving Cell Info
3. Click Freq Band Indicator 
 Android:
Download LTE Discovery/ SignalCheck Life/ Network Cell Info Lite.

Main Specification
Network: 4G LTE
Frequency:700mhz Band12/13/17
 Compatible Devices: Android/iPhone/Tablet PC(Required SIM Card) 
 Booster Gain:Uplink 60±2dB;Downlink62±2dB 
Coverage range:1500-2000sq.ft for 2-4 Rooms
Basic Outdoor Signal required: 2-3 bars 700mhz

Package Contents 

 1x Verizon Cell Phone Booster 700mhz 
 1x Indoor Whip antenna
1x Outdoor Yagi antenna
1x 50ft Outdoor3D-FB coaxial cable
【For Band 12/13/17】The cell phone antenna signal booster amplifies 4g lte voice and data for Verizon/ AT&T/T-Mobile/Cricket/Sprint/ Straight Talk/US Cellular/Metro Pcs 4G LTE 700M；Working Frequency: Band 12/13/17
【Fast Data Speed and No more dropped calls】The cell phone antenna kit can receive the signal from the signal tower, and then amplifier your mobile signal. Better cell phone voice quality, faster uploads and downloads Data.
【Supports Multiple Devices and Users】 The cell phone amplifier signal booster supports multiple users and devices at the same time. Solve your bad mobile signal service.
【Wide Cell Coverage】The mobile signal Amplifier 's Coverage Range can up to 1500-2000 sq.ft.The cell phone signal booster repeater is used for Village,Garage,Basement,Home,Office , hotel, apartment and so on .
【Auto Gain Control】The Verizon booster has function of auto gain control. The cell phone antenna amplifier can improve itself for the best performance.

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