Mobile Phone GSM Signal Booster / Repeater / Amplifier EST-GSM990 for Home

A mobile phone signal repeater provides the ultimate solution in any area where cellular communications can not work well due to leak of signals. The repeater device features easy installation & operation, build-in indoor antenna and no interference. It could also improve indoor electromagnetism environments, protract cellular battery life and reduce radiation of cellphones. A mobile phone repeater is ideal for house, home, office use.

The device featured by easy installation & operation and no interference. It is the ideal device for boost mobile phone signal. A mobile phone repeater could also improve indoor ctromagnetism environments, protract cellular battery life and reduce radiation of cellphones.

Technique

Specification sInstallation Sketch Map

Installation Approaches

1. Fix up outdoor antenna reception on housetop and point to signal tower.
2. Connect outdoor antenna to “outdoor” port in repeater machine through cable.
3. Connect indoor antenna(s) to “indoor” port in repeater machine through cable also.
4. Plug power adaptor into AC power socket and finish installation.

Technique Supporting

1. If still no signal receipt after activated repeater, please check if outdoor antenna point to signal tower or elsewhere have strong signal and check if strength achieve -70DBM.
2. If can not call out, please adjust the direction of outdoor antenna.
3. If strength is not steady, please check if outdoor & indoor antennas are too close. Please ensure the outdoor and indoor antenna have distance of 20

Accessories
SelectionOutdoor antenna use 7 unit yagi type antenna, indoor antenna use board or rooftop antenna and signal wire use coaxial-cable.

Packing list
Main unit 1pc
Power supply 1pc
User manual 1pc