Works with AT&T,T-Mobiel 700MHz 4G Lte Band 12/17 in the frequency range:Downlink :728-746 MHz Uplink : 698-716 MHz
Works with all cellular devices:Smartphones, Tablets, Data Cards, and Notebooks
Reduces dropped calls,improves the voice quality,faster uploads and downloads in your house,office,villa,garage,basement and so on
It is better to determine the exact in different location until the highest signal strength is received on your phone(most amount of bars). Once you ascertain the best location then permanently mount the outdoor antenna.Keep the distance between the outdoor antenna and indoor antenna should be above 22ft and make sure a proper amount of physical separation between outdoor antenna and indoor antenna.These things are absolutely critical for this booster to work.
FCC Certificate

Technical Details

Product Details

Product Dimensions

Package Dimensions
Width : 8 inch
Height : 4.1 inch
Length : 16.1 inch

Item Weight: 3.05 pounds (View shipping rates and policies)
Shipping Weight: 3.05 pounds (View shipping rates and policies)

ASIN : B01N2L0B55

Product Description

Operation Frequency:Band 12
Uplink:698MHz-716MHz,Downlink:728MHz-746MHz
Emission Designator:LTE(G7D)
AGC LEVEL:Uplink:-45.00 Downlink:-56.00
Max.Antenna Gain:Uplink:8.1dBi Downlink:6.6dBi
Power Supply:DC 5V from adapter
FCC Classification:B2W/Wideband Consumer Booster(CMRS)

Package Contents:
Signal Booster
Indoor Whip Antenna
Outdoor Yagi Antenna With 32feet Cable
Screws for Mounting
AC Adapter
English User Manual

Before order please make sure your cell signal is ATT or T-Mobiel 700Mhz 4G Lte in your area.
2.This cell phone signal booster can only make the weak signal becomes stronger,it couldn''t create signal,so the Outdoor Yagi Antenna should receive 2-3 bars of stable signal in the location where the outdoor antenna is mounted,or the booster couldn''t work very well.

Installation Guide:
1.Check and find a place where your cell phone can receive the best signal outside your house, then mount the Outdoor Yagi Antenna and keep the Outdoor Yagi Antenna towards the cell phone signal tower
3.Mount the signal booster device somewhere inside the house,the signal booster should be mounted in a place where is near from the power socket, and have good ventilation.
3.Tightly connect the Outdoor Yagi Antenna to the OUTDOOR port of the signal booster.
4.Tightly connect the Indoor Whip Antenna to the INDOOR port of the signal booster.
5.Connect the power adapter to the signal booster.

Attention:
The distance between the Outdoor Yagi Antenna and Indoor Whip Antenna should be above 22ft. And there should be thick obstacles like walls between them.