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Features of GSM Auto-Dial Alarm System YL-007M3B:
1. SM 900/1800/1900 bands, can be used all over the world;
2. Full duplex communication with the base;
3. Monitor environment on the spot;
4. Voice and message alert;
5. Set alarm ON or OFF by remote controller;
6. Call in to set alarm ON, OFF, Monitor, Output;
7. Send SMS to set alarm ON, OFF, Monitor, Output;
8.5 group phone + room number;
9.1 group alarm monitor center phone;
10.2 group phone to report alarm and non-alarm status;
11. Can program 7 group alarm messages;
12.3 zones for wired detector and 16 zones for wireless detector;
13. Easily set ON or OFF for every wire or wireless detector;
14.1 relay output to power on camera when alarm;
15.2 output for home appliances connection (lamp, cooker, air condition);
16. SMS inform for external power failure or recovery.

Technical Parameters:
* Static current: 50mA
* Power: 9V-12V DC
* Working temperature: -20º C ~ +85º C
* GSM850/900/1800/1900MHz
* Receiving code: ASK
* Frequency: 315/433 MHz
* wireless distance: 100 m
* wireless detectors: 16
* wire detectors: 3
* Size: 170*112*28mm