iGSM 189 – MODBUS GPRS RTU

• 900/1800 MHz (or Quad Band Optional)
• RS-232 serial port
• 12 V dc power supply
• Reliable performance with built-in double watchdog
• Automatic device condition report through SMS every 24 hour interval
• User – defined alarm condition (normally close or open), alarm and recovery SMS message for each alarm point, Supporting drive relay output.
• Time stamped alarm & recover messages
• Upto 10 Mobile Phone numbers  can be programmed to receive messages.
• Remote setting by Mobile phone through SMS commands.
• MODBUS Master or Slave configuration
• 4 Digital Inputs
•  4 Digital Outputs