Phonetone 70db 3g Signal Booster 1900MHz CellPhone Repeater with ALC AGC Automatic Gain Control 11db High Gain Antenna 15m Cable Color: White Compatible Phone Manufacturer: All Phone Work on 1900MHz Compatible Carrier: All Carriers Work on 1900MHz Frequency: 1850-1910MHz 1930-1990 MHz Gain: 70dBi Connector: N-female Power Requirements: AC100-240V 50/60Hz 1A; DC 6V/2.5A Dimension: 4.80 x 4.29 x 1.06 in