Scope of application: signal blinding or weak areas in the small region, such as underground or half-underground business places, small basements, underground parking, etc.; Small complaint areas about hot spot signal, such as conference rooms, small supermarkets, small shopping malls, offices, small public areas, etc.; Regions with large phone traffic and social influence, such as Traffic and social of a large area: bars, internet cafes, dance halls, coffee cafes, body-building club, places for leisure and entertainment, etc; Elevators, especially for those which is difficult for the cable laying in the lift wells. Homes, offices, luxury yachts, private cars, road safety management, and so on.
