... 800mhz. 50db,60db,70db,80db series repeater is GSM booster, cell phone boosters and repeaters, mobile repeater 800mhz. 50db,60db,65db,70db ... large indoor area with complicated distribution. Notice for InstallationA. In case any interference, the indoor antenna should be installed away from ... to balance the coverage of the signal.C: In case the downsizing of the indoor signals coverage caused by the ...