ANNTLENT 3G 4G LTE Cell Phone Signal Booster for Home and Office - Dual Band 850/1900MHz Band 2/5 Cellular Repeater - Boost Voice and Data for Verizon AT&T T-Mobile

Technical Specification: 

Dual Band 850/1900MHz Band 2/5 Cell Phone Signal Booster for Home/Office/Garage/Camper/Cabin (Without Antennas) 

Supports Most US Carriers including: Verizon and AT&T, T-mobile, Sprint, US Cellular etc on Band 2(1900MHz) or Band 5(850MHz). 

Max. Output power: 20dBm 

Max. Gain (dB) : 65dB 

Color: Blue Size:115mm*68mm*16mm 

Weight: 0.3kg 

I/O Port : SMA female on both ends 

Power Supply: Input AC100~240V, 50/60Hz, output DC 5V 1A 

Operating Temperature:-25ºC~+55ºC 

Frequency Range: 

Band 2: 1850~1910MHz; 1930~1990MHz 

Band 5: 824~849MHz; 869~894MHz 

Package: 

1 * Dual Band 850/1900MHz Booster 

1 * Power Adapter 

Note: 1.This booster is only work for Verizon, AT&T and T-mobile 4g lte that operates band 12/13/17, please test your cell phone band before purchase by the methods below. 

For Android phone: Download ’LTE discovery‘ ? choose ’Signals‘ ? check ‘EARFCN’. 

For iPhone: Dial No. *3001#12345#*, press call button ? click ‘Serving Cell Info’ ? check ‘Freq Band Indicator'. 

2. Make sure you get no less than 1-2 bars signal outside, the booster can't create signal. 

3. Note: The booster can't work alone, please use an indoor antenna and an outdoor antenna connect to the booster. So the booster can receive signal from outdoor antenna, boosts signal, and transmit to the indoor antenna, finally broadcasts signal to your devices. There should be a wall to separate the indoor and outdoor antennas, keep them 30ft distance and do not point at each other to avoid interference.