GSM980 2g signal repeater/home office signal booster for mobile/hot sale signal amplifier

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.

GSM980 cellphone amplifier Description:

Packing List:

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 "MOBILE" port in repeater through cable also.
4.Plug power adaptor into AC power socket and finish installation.

GSM980 amplifier technical support:

1.Please make sure the outdoor antenna is well isolated with the indoor antenna(s). They should not be on the same horizontal line. The outdoor antenna should be on the housetop, at least 10 meters far away from the indoor antenna(s), better with stairs or wall(s) in between. Put the indoor antenna(s) in the middle of room, far away from the window and door.

2. If still no signal reception after activating repeater, please check if outdoor antenna points to signal tower or elsewhere have strong signal and check if strength achieve -70dBm. Please adjust the direction of the outdoor antenna until it catches good and steady signal.  To ensure the result, the outdoor signal should be as strong as possible.