Design of the System of Wireless Alarming Based on GSM Module

As to the application of anti-thief alarm system without man, a design scheme of wireless alarm system based on GSM is proposed, The infrared signal detection and processing circuit use BISS0001 chip and single chip microcom- puter, SEMENS MC391 module is used for wireless data transmission. This system have characters of low power consump- tion and high reliability, support short message.