5-Band Cell Phone Signal Booster for Home and Office - Multiple Band Mobile Phone Signal Repeater Amplifier Supports All US Carriers GSM 3G 4G LTE - Boosts Voice and Data Signal for Remote Area

The booster is compatible with all US Carriers, supports multiple simultaneous connections, so all your family could enjoy better 3G and 4G LTE signal with a single booster.It automatically selects the best band for your device so it can constantly bring you stable and stronger signal.Indoor antenna can be easily connects to the booster and put at anywhere you like.Outdoor antenna receives signal from all directions.(no aiming required) Frequency Range: Band 2, Band 4, Band 5, Band 12/17, Band 13 Max. Gain: 64/70dB Max. Output Power: 20dBm Automatic Gain Control: ≧20dB MGC (Step Attenuation): ≧20dB / 1dB step I/O Port: N-female Impedance: 50 ohm Power Supply: Input AC100~240V 50/60Hz, Output DC 5V The booster can only amplify signal but cant create signal. Please make sure you get 2 bars signal outside, it wont work if no existing signal.The booster can only work with the cell phones on band 2,4,5,12/17,13. Please check which band your cell phone is using by the methods below:iPhone:Android phone: