Short message services Alarm systems 2 Global system for mobile communications 2 Mobile telecommunication systems 2 Software parts 2 Text messaging 2 Accidents 1 Automobile engines 1 Automobile parts and equipment 1 Bipolar junction transistor 1 Bipolar transistors 1 Cameras 1 Car engines 1 Cellular telephone systems 1 Communications protocols 1 Computer hardware 1 Computer software 1 Data application 1 Digital storage 1 Electronic equipment 1 Fire accident 1 Fire alarm 1 Fire alarm systems 1 Fires 1 GSM/GPRS 1 GSM/GPRS modem: Wavecom 900/1900 MHz machine-to-machine (M2M) 1 Global system for mobile communications (GSM) 1 Green computing 1 Gsm modules 1 Hardware development 1