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  D222 / D223

  The GSM/GPRS/3G/4G IOT M2M Modem is a powerful and programmable multi-purpose wireless cellular modem and data transfer unit (DTU). It embedded high reliable 32bit ARM9 MCU and industrial GSM/GPRS/3G/4G Cellular Engine inside. It provides a secure, high speed, reliable wireless data transmission between com port and internet connection for customers over GPRS/3G/4G wireless cellular network. Also, it can be used as SMS modem and Modbus RTU to Modbus TCP converter.
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  S17X37X

  The Cellular IoT Gateway S17X/S37X is an industrial class, high reliability, high stability, and programmable Remote Terminal Unit (RTU). It embedded 32-Bit High Performance Microprocessor MCU, inbuilt industrial Cellular module. It provides 1 ambient sensor input for monitoring onsite temperature and humidity, and RS485 serial port, supports 128/224/320 mapping registers via Modbus RTU protocol. It can monitor and operate the I/O ports by SMS, APP, Web Server, internet, timers and programmed inter-lock events automatically.
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