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Home/Products/GSM Modules
GSM Modules

Quad-band GSM/GPRS/EDGE 850/900/1800/1900 MHz

USR IOT's GSM modules convert the serial data RS232/485 into IP data and transfer it to the data center through GPRS 2.5G mobile network. USR IOT's GSM modules support double data centers, one main and another backup. Connecting TCP/IP and sending SMS via AT commands.

Home / Products/ GSM Modules
  •  
  • Model
  • Feature
  • Serial Number
  • Module GPRS | UART GSM Modules
  • Module GPRS | UART GSM Modules
  • UART TTL GPRS
    Cost-effective
    PIN Type
  • TTL*1
  • Pin-type GPRS modules USR-GPRS232-7S3 can realize the bidirectional transparent transmission function of UART to GPRS.

    ● Support public and APN network access
    ● Support heartbeat, Always Online mode, can keep connection with server
    ● Support KEEP-ALIVE, to maintain connection if there is no heartbeat packet
    ● Support network connection in Max 4 Channel, can send data from serial port to different servers
    ● Support SMS AT Command mode
    ● Support SMS transparent transmission, Network transparent transmission, httpsD, UDC and other working modes

 
  • GSM GPRS Modules | Low Power GSM Modules
  • GSM GPRS Modules | Low Power GSM Modules
  • Low Power GSM GPRS Modules
    SMD Type
    Quad-Band GSM/GPRS
  • TTL*1
  • USR-GM3 are low-power transparent transmission GSM GPRS modules which can realize the UART's bidirectional transparent transmission to GPRS.

    ● Low Power GSM Modules
    ● Support public and APN network access
    ● Support heartbeat, Always Online mode, can keep connection with server
    ● Support KEEP-ALIVE, to maintain connection if there is no heartbeat packet
    ● Support network connection in Max 4 Channel, can send data from serial port to different servers
    ● Support SMS AT Command mode
    ● Support SMS transparent transmission, Network transparent transmission, httpsD, UDC and other working modes

 

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