The alarm system adopts SMS data transmission and voice platformof GSM network to send control command and receive alarm remotely.The system can be set delayed-arm. When a signal is detected bydetectors, the detectors will send alarm signal to hostimmediately, then the host sends alarm SMS to its preset mobilephone numbers, and meanwhile dials its preset telephone/mobilephone numbers automatically and drive wiretap. In addition, thecolor LCD can show the time, date and the status of arm, disarm,GSM signal, power, alarm etc. With the LCD, it is very easy for youto operate.

Following are the specific functions,
1. With Wavecome double frequency GSM module.
2. With color LCD show screen and keyboard on the host.
3. 10 wireless guarding zones (1 wireless SOS zone, 1 fire alarmzone, and other 8 wireless guarding zones can be defined by user )and 1 external power failure alarm zone.
4. Send SMS to 3 preset mobile phone numbers automatically whilealarming.
5. Call 3 preset phone numbers automatically and monitor at sitewhile alarming.
6. Set the time of arm/partial arm/disarm.
7. Arm/disarm by the keyboard on the host, remote controller orSMS.
8. Program the alarm host by keyboard or SMS.
9. Modify the name of 8 wireless guarding zones and inquire thestatus of alarm host by SMS demand.
10. Define the 8 wireless guarding zones as arm/partial arm bykeyboard on the alarm host.
11. With standby rechargeable battery
12. The alarm host automatically stores system status, while itspower is off.
13. Connect with the alarm center through GSM network.
Specification

a) GSM
GSM frequency: 900/1800MHz or 850/1900MHz
Consumption: 1W (while sending message)
b) Working frequency of detectors
315M & 433M (optional)
c) External power failure alarm
Start-time: less than 2s
d) Alarm response time
Less than 8s (GSM in normality)
e) The volume of siren
More than 110db
f) Power
Power requirements: AC 110-220V 50Hz or 60Hz
Working power consumption：less than 3W
Standby battery：DC 8.4V
Standby battery working hours: more than 15 Hours
g) Working conditions
Operating temperature: -20°C ~ 60°C
Humidity: 20% to 95%
h) Weight of alarm host
Net weight: 0.5Kg
Gross weight: 0.75Kg
i) Dimension of alarm host
Dimension: 160mm (Long) *113mm(Wide)*38mm(High)