Design and implementation of security and defense system based on GSM
Jin Ren-cheng · Jisuanji gongcheng · 2004
The design and implementation of wireless security and defense system based on GSM were introduced in this paper. This system made use of the advantages of wireless communication and broad overcast of GSM. It could send alert messages to users in time and could be controlled by users through commands sent from removing terminals. So it was an interactive security and defense system.