Sms Controller Module RTU Device Modbus Gprs Gateway , SD/TF Memory Card

RTU device sms controller module gsm gprs rtu gateway remote terminal unit INST-RTU M3D8 unit supports Modbus RTU, Modbus TCP, TCP/UDP protocol, transparent data transmission over GPRS/3G, RS232, RS485, performs as Modbus Master or Modbus Slave. INST-RTU M3D8 unit can be used as Modbus RTU SMS Alarm, when the data acquisition from via RS232/485 exceeds threshold, it also can send pre-definition SMS to users. Specification DC Power supply 9-28V DC (Standard adapter: DC 12V/24V