The alarm system adopts SMS data transmission and voice platform of GSM network to send control command and receive alarm message remotely. The system can be armed according to user’s requirements, when a signal is detected by sensors, the sensors will send alarm signal to alarm host immediately, then the alarm host will send alarm SMS to pre-set mobile phone numbers, and meanwhile dials its preset telephone/mobile phone numbers automatically. In addition, user can dial the number in the alarm host to remote control the host, such as arm, disarm etc.
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