The alarm system adopts SMS data transmission and voice platform of GSM network to send control command and receive alarm remotely. When a signal is detected by detectors, the detectors will send alarm signal to host immediately, then the host sends alarm SMS to its preset mobile phone numbers, and meanwhile auto-dials its preset telephone/mobile phone numbers and enter into monitoring automatically.

Following are the specific function

1. With WAVECOME double frequency GSM module.

2. 8 digital inputs and 2 wireless zones.

3.Can program open/closed alarm of digital inputs.

4. Digital inputs are adopted optical-coupled isolators, which can

prevent external high voltage from destroying internal

components.

5. Send SMS automatically to report the state of digital input

when it returns normal status.

6. Send SMS to 3 preset mobile phone numbers while alarming.

7. Auto-dial 3 preset phone numbers while alarming and monitor

the sound at site.

8. Modify zone name and enquire status of alarm host bySMS demand.

9. With standby rechargeable battery and external power failure

alarm.

10.Aluminum alloy casing.

11. Connect with alarm centre through GSM network.

a) GSM network frequency: 850/1900MHZ or 900/1800MHZ

b) External power failure alarm Start-time: less than 2s

c) Alarm response time

Less than 8s (GSM in normality)

d) Power requirements: Input: AC110V~ 220V 50Hz ~ 60Hz

                   Output: DC9V~ 12V

Standby battery: DC8.4V

Standby battery working hours: more than 10 hours

e) Working power consumption: less than 5W