Only 850 MHZ Frequency – It is for 2G voice signal of cell phone, not for data or network function. It is for carriers Verizon, AT&T and T-Mobile, but not for Sprint. If your cell phone is not within 850 MHZ, It does not work.
Antenna Type – Outdoor omni-directional magnetic base antenna; Indoor whip antenna. The external antenna should not be within 5 meters with a TV or satellite antenna. That will cause interference.
Function – Gain 55db and this booster can cover indoor 100 square meters. If the outdoor signal is too weak, you will need to change a higher gain and more directional external antenna to capture signals.
Advantage – Light weight and easy installation with magnetic base antenna in any wall and roof. There is a small LCD screen to show signal strength.
Warranty – 1 year warranty. Please do not remove connectors from cable, repeater and antenna, otherwise, it will not warranty. If any issue, email to our service center.
Outdoor antenna can pick up good mobile signal from outside of your house and then send the signal through coaxial cable to the booster.
The booster can amplify the signal, and then the amplified signal will be sent to the indoor antenna.
The indoor antenna can transmit the signal into your house, so you can enjoy clearer phone call.