The cellular module connects your Arduino or Raspberry Pi to the internet using the 3G mobile network. Just connect this module to your controller, insert in a SIM card from an operator offering 3G coverage and start controlling your world through the internet. The module uses a radio modem SIM5320 by SIMCom. The SIM5320 is a HSDPA / WCDMA and Quad-Band GSM/GPRS/EDGE modem that supports HSDPA up to 3.6Mbps for downlink data transfer. It also supports FTP, HTTP and other protocols.

The onboard logic level shifting circuitry allows the module to work with 3.3V or 5V logic. On its own, this module can’t do anything. It requires a microcontroller to drive it! We suggest and use an Arduino but any 3-5V microcontroller with a UART can send and receive commands over the RX/TX pins.

Ideas for a wide range of products like PDA, MID, PND, POS, Tracker, AMI, Health Care etc.



  • Quad-Band GSM 850 / 900/ 1800 / 1900 MHz
  • Dual-Band WCDMA 900 / 2100 MHz
  • Send and receive SMS messages
  • Send and receive GPRS data (TCP/IP, HTTP, etc.)
  • GPRS multi-slot class 12
  • EDGE multi-slot class 12
  • WCDMA 3GPP  release 5
  • Mini USB interface to the computer debugging & firmware update (The USB port only provides data link, require external 5V supply)
  • Drawer SIM card interface
  • GPS antenna interface: A set IPXmini antenna interface, the connection active GPS antenna
  • GMS antenna interface: A set IPXmini antenna interface, default PCB antenna
  • Support embedded Script Language: LUA Script Language
  • Indicator LED for indicating the operating state of the module
  • Indicator LED for network status indication for the module


  • A-GPS: MS-Based, MS-Assisted
  • Stand-alone GPS
  • 16 acquisition channels
  • GPS L1 C/A code
  • Sensitivity: Tracking: -157 dBm, Cold starts : -144 dBm
  • Time-To-First-Fix: Cold starts: 100s (typ.), Hot starts: 1s (typ.)
  • Accuracy: approx 2.5 meters

Data transfer

    • Max. 3.6Mbps(DL)
    • Max.384Kbps(DL), Max.384Kbps(UL)
  •  EDGE Class
    • Max. 236.8Kbps(DL),Max.118Kbps(UL)
  • GPRS
    • Max. 85.6Kbps(DL), Max.42.8Kbps(UL)
  • CSD
    • GSM data rate 14.4Kbps
    • WCDMA data rate 57.6Kbps
    • WCDMA 64kbps CSD for Video call


  • Point to point MO and MT
  • Text and PDU mode



  • Power Supply: DC 3.3V ~ 5.2V
  • Recommended Input Current: 1A
  • Communication interface: TTL level serial port, compatible with 5V, 3.3V microcontroller
  • Mic voice interface: For leads, the interface is a 2.54 * 4P single row of needle
  • Other interfaces: A set IIC interface, a set for controling the module opening and closing interface (the default automatic start)
  • Output power
    • UMTS 850/1900: 0.25W
    • UMTS 900/2100: 0.25W
    • GSM850/GSM900: 2W
    • DCS1800/PCS1900: 1W
  • Operation temperature: -30℃ to +85℃
  • Dimension:  30 * 30 * 2.9mm
  • Weight: 5.6g
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