GPRS / GSM Modules and Modems

Introduce of GSM GPRS Modem DTU

GSM GPRS Modem DTU: USR IOT provides TTL to GSM/GPRS module and Serial to GSM GPRS modem, which realize bidirectional transparent data transmission between industrial serial device and remote server under no Ethernet/WIFI environment.

Low Power Gsm Modules, Small GPRS Modems

USR-GM3 is highly-integrated UART to GSM/GPRS module, Users can easily make communication with it among serial device,cellphone and network device.

  • SMD Type
  • Built-in SIM Card
  • Operation temperature Range of -25° ~85°
  • Quad-Band GSM/GPRS 850/900/1800/1900MHz

RS232 / RS485 GSM GPRS Modem Supports SMS command

USR-GPRS232-730 is a RS232/RS485 to GSM modem, which used for data transparent transmission based on 2G Network.

  • 1 RS232 serial port and 1 RS485 serial port (not use simultaneously)
  • Power: 5V~36V
  • Quad-Band GSM/GPRS 850/900/1800/1900MHz
  • Flow Control: CTS/RTS
  • Work Mode: TCP/UDP Client

RS485 GSM Modems, RS485 to GPRS

USR-GPRS232-734 is a RS485 to gprs modem, used for data transparent transmission.

  •  1 RS485 serial port
  • Operation temperature Range of -25° ~85°
  • Quad-Band GSM/GPRS 850/900/1800/1900MHz

Small GPRS Modems, Low Power GPRS Modules with GPS Positioning

USR-GM3P is highly-integrated UART to GSM/GPRS and GPS module. Users can easily make communication with it among serial device, cellphone and network device.

 
  • Transparent transmission between serial and GPRS / GSM
  • Embedded GPS and LBS Positioning
  • Support UDC Protocol
  • Support GSM 850/900,DCS1800/1900 MHz
  • Support 4 sockets, Support TCP and UDP
 

UART TTL GPRS/GSM Module

USR-GPRS232-7S3 is highly-integrated serial gprs module.

  • PIN Type
  • Operation temperature Range of -25° ~85°
  • Quad-Band GSM/GPRS 850/900/1800/1900MHz
All USR products will be tested by R&D first, then production test again.(ESD Test,Surge/EFT Test, High/Low Temperature Test, EMC and LVD environment reliability test, etc.) Click here to watch test videos.
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USR products are exported to more than 100 countries and regions, get approvals like CE, FCC, ROHS, CCC, KC, IC, SRRC, etc.
USR product certificate
We also offer fast and reliable After-Sales Service, Leave your questions in Ticket System and we will respond to you in 15 minutes.

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