4G signal amplifier gsm 900mhz repeater 2g 3g 4g cellular amplifier lte dcs 1800 2100 signal booster for cell phone 68db gain British

Description: Application Scope: A, Small regions of signal or weak signal blind area, such as underground or semi-underground place of business, basements, underground parking, etc.; B, Complaints from small-scale hot-signal areas, such as conference rooms, a small supermarket, small shopping malls, the office and small public areas, etc.; C, Traffic and social influence of large areas, such as bars, cafes, dance halls, cafes, fitness clubs, leisure and entertainment, etc.; D, Elevator, lift wells in particular, not in the lift cables laid; E, Home, office, luxury yachts, private cars, public security system and road safety management, etc. Steps that describe the work of Repeater: 1) The outside antenna receives the signal from the nearest mobile base station. 2) The outside antenna sends the received signal through the coax cable to the installed Repeater. 3) The Repeater accepts the low signal and improves it. 4) The improved signal goes to the inside antenna through the connection