GSM alarm system

remote controller
working voltage: 12v static electric current: 0ma battery no.: a27
output frequency: 300mhz ?C 350mhz

technical specification:
main module:
working voltage: 12v ??2v static electric current: 40ma ?C 60ma (with gsm module)
frequency band: gsm900/1800mhz shock sensor electric current: <1ma
output frequency: 300mhz ?C 350mhz storage temperature: -30?- +85?br /> operating temperature: -20?~ +85?operating humidity: 25% ~ 95%

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