产品介绍：
智能短信警报控制器
Support 900/1800/1900 MHz Tri-band frequency
Identify ASCII or Unicode SMS Automatically
Support max. 140 ASCII Characters
Support max. 70 Unicode Characters
Built-in ASCII Commands and SMS tunnel Communication Modes
Max. 10 Default Phone Numbers
Built-in Watch-dog Function
Industrial Design with Surge Protection
Support SMS setting and control
10 DI (6 Counter), 2 DO, 2 RS-232 port
Digital input support NC(normal close)/NO(normal open)/Counter modes
Send alarm SMS by DI trigger or exceed Counter preset limits
Support simple command to send SMS via RS232
Support DC +10 VDC ~ +30 VDC Power Input
Supports 3.7 V Li-ion Battery Backup
DIN Rail design
