Support RTU extended protocol. Reporting mode can be selected. there are three reporting mode, including Network only, SMS only and Main network SMS backup(it uses SMS. when network connect fail)
      Support TCP MODBUS RTU protocol using TCP2COM software that converts TCP to virtual serial port
      TTL logic level RS232 interface can be customized
      Support 8 digital inputs and 8 analog input manual query and automatic report
      Provide management software for remote management
Trial Sample