Mainly Features
Can be operated from anywhere, no distance limitation;
Quad band 850/900/1800/1900Mhz GSM GPRS Module inside;
3G UMTS/HSDPA/4G Modules are optional;
32 bit MCU, reliable performance with in-built watchdog;
Support 2/4/8 relay outputs,7A@125VAC,5A@125VAC, 20A@14VDC;
Supports 1 DNS or IP address as server, supports Modbus RTU, TCP/IP protocol over GPRS/3G/4G network;
Automatically resend the data while communication failure, GPRS failure will alert by SMS text;
Supports remotely restart the device, and configure it by SMS commands remotely
Type of signal
1. Pre warning: 36 sec blast, pause followed by another 24 sec blast, pause and this sequence
will repeat for 3 min.
2. Red alert: 6 sec blast, pause followed by another 6sec blast, pause and this sequence
will repeat for 3 min.
3. All clear: alarm last 3 min
4. Disaster warning: 15 sec blast, pause followed by another 15 sec blast, pause and this
sequence will repeat for 3 min.
5. Free warning: hand control