7Semi M66 Quad-band GSM/GPRS Breakout with 3.5mm TRRS Audio Jack

7Semi M66 Board: Quad-Band GSM/GPRS Breakout for Reliable Cellular Connectivity

• Versatile Cellular Communication:
  • Leverage GPRS multi-slot class 12 for efficient data transmission.
  • Utilize multiple GPRS coding schemes (CS-1, CS-2, CS-3, CS-4) for enhanced adaptability.
  • Integrate a SIM card for subscriber identification on cellular networks.
  • Leverages Quectel's M66 module, supporting GSM/GPRS communication on 850/900/1800/1900MHz frequencies for global network compatibility.
  • GPRS Multi-slot Class 12 ensures efficient data transfer.
• Streamlined Voice Communication:
  • The 3.5mm TRRS audio jack simplifies connection of headsets or microphones.
  • Facilitate clear voice communication for applications requiring audio interaction.
• Robust Development Features:
  • QuecFOTA Support: Enables convenient firmware updates for the M66 module.
  • Quectel OpenCPU: Unlocks the potential for custom application development on the M66 module.
  • Embedded Internet Protocols: TCP/UDP, FTP, and PPP streamline internet connectivity for your project.
  • Network Status LED: Provides visual indication of the cellular connection status.
• Compact and Adaptable Design:
  • The miniature form factor (45x30mm) allows for integration into space-constrained projects.
  • A U.FL connector facilitates attachment of an external GSM antenna for enhanced signal strength (antenna sold separately).
  • Wide power supply range (5-15V DC) offers deployment flexibility.

• Mobile device development
• Remote data acquisition systems
• Asset tracking and monitoring solutions
• Industrial automation projects

• Power supply 5-15V DC
• Supports frequency bands 850/900/1800/1900MHz
• GPRS Multi-slot Class 12
• SIM Interface
• 3.5mm TRRS Audio Jack Interface
• Supports QuecFOTA
• Supports Quectel OpenCPU
• Embedded internet service protocols, multiple sockets and IP addresses
• Network Status LED
• U.FL Connector - GSM External Antenna Connector
• Size 45x30 mm

• M66 Specifications
• M66 Datasheet
• NGSM M66 GSM/GPRS Breakout 3D Step File
• QCOM_V1.6 for Windows
• QFlash_V4.19_EN for Windows
• Qnavigator_V1.6.9.1 for Windows

MGSM M66 GSM/GPRS Breakout Dimensions

MGSM M66 GSM/GPRS Breakout Pinout

A GSM/GPRS breakout with audio jack is a type of breakout board that is used to connect a microcontroller or other electronic system to a GSM or GPRS network. The breakout board typically features a small circuit board with a set of pins that can be easily connected to a microcontroller or other device. The board also includes a GSM/GPRS module that supports both voice and data communication, as well as an audio jack that allows for audio input and output. The audio jack is particularly useful for applications that require voice communication, such as voice calls or voice-controlled devices. The GSM/GPRS breakout with audio jack is commonly used in a wide range of applications, including mobile devices, remote sensing, tracking systems, and other communication systems that require voice and data communication. The GSM/GPRS breakout with audio jack is an essential component in many electronic systems that require GSM or GPRS communication and voice capabilities.