GPRS DTU for Charging Pile

SKU: GPRS232-721 Category:
  • Description

    USR-GPRS232-721 gprs dtu is a communication device specially developed for charging pile.The device has a wide voltage of 9V to 24V. It can be powered via DC adapter and DIP terminal power supply.Besides,the device supports RS232 interface which can be elicited by terminal.In the terms of software,the device has functions of 4 channel Socket communication,heartbeat package and registration package.These functions can be set up by AT command.Moreover,the device supports FTP protocol.User can easily download the files on remote server with a simple protocol,and provide solution for remote upgrade of charging pile terminal.


    • Support frequency of 850/900/1800/1900MHz
    • Support GSM/GPRS/EDGE network
    • Support access to public network or APN private network
    • Support 4 network connections
    • Support KEEP-ALIVE mechanism
    • Each connection has 15K data cache under TCP
    • Support FTP download
    • Support data encryption transmission
    • Can set heartbeat package and registration package data with any format
    • Can set module parameter through remote SMS
    • Can set module parameter through remote server
    • 9 to 24V power supply
    • Support DC adapter and DIP terminal power supply
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