Support 850/900/1800/1900 MHz tri-band frequency

• Support SMS DBS software (http://m2m.icpdas.com/SMS_DBS.html)
• 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
• Support SMS setting and control
• 6 DI, 2 DO, 1 AI,2 RS232 port
• DO control by dual-tone multi-frequency
• Digital input support NC(normal close)/NO(normal open)/Counter modes
• Periodic SMS report
• Voice Alarm and SMS triggered by DI trigger or exceed AI/Counter preset limits
• Support simple command to send SMS via RS232
• Support micro SD card. (Max 2G bytes)
• Support data log
• Support DC +10 VDC ~ +30 VDC Power Input
• Supports 3.7 V Li-ion Battery Backup
• DIN Rail design