Wireless distance: Basement 3rd floor - ground floor 15 metropolitan areas (there are obstacles circumstances) 1 km - 3 km

Host regulation: one pair of 200 wireless transmitter

Easy to pull at the application:
Pull through roads, railways, rivers, bridges, monuments or basement to the top floor of the premises underlying the use of wireless transmitters (1 to 1 or 1 to many) can accomplish the impossible task of reducing costs in order to obtain higher profits.

Application of financial institutions: 

Press the button to receive radio host, silent inform the relevant units of rescue, radio buttons can be made mobile, placed drawers, table, under the table or anywhere portable with a variety of specifications 

Radio buttons, quick response when the situation occurs automatically notify security personnel or police units, shorten time to catch criminals.