SIM800C GSM GPRS module 5V3.3V TTL, STM32 C51 program, Bluetooth, TTS

• Powerful Core: Driven by the robust SIM800C chip, ensuring reliable performance and compatibility.
• Bluetooth & TTS Functionality: Enhanced with Bluetooth capabilities and AT command control via the serial port.
• Universal Connectivity: Features an on-board SIM card slot and supports quad-band frequencies (850/900/1800/1900MHz), making global communication seamless.
• MCU Compatibility: The built-in 5V/3.3V logic converter circuit ensures compatibility with most MCU breakout boards, integrating both SMS and TTS functionalities.
• GPRS Standards: Fitted with GPRS multi-slot class 12/10 and GPRS mobile station class B, and fully compliant with GSM phase 2/2+ standards.
• Efficient Control: Navigate with ease through AT commands (3GPP TS 27.007, 27.005, and enhanced SIMCOM AT Commands).
• Compact Design: Measures just 30.73 X 26.56mm/1.21 X 1.05inch (L*W), making it a versatile choice for diverse applications.
• Input & Support:
  • Input: DC5V or lithium battery input VBAT & GND.
  • MCU Level Support: 5V / 3.3V TTL logic compatibility.
  • Antenna Options: Opt for the PCB version or IPEX-SMA via the IPEX antenna interfaces.

Pin Configuration SIM800C:

• Power & Logic: 5V power supply, V_TTL for logic conversion, and GND for grounding.
• Serial Ports: TXD & RXD pins for sending and receiving serial data, respectively.
• Audio Pins: SPKP, SPKN, MICN, and MICP for audio input and output.
• Others: DTR, RI, VRTC, PWX, and VBAT for various functionalities.

Note: The item is dispatched with unsoldered pins.

Upgrade your projects and applications with the SIM800C GSM GPRS module, and experience a revolution in mobile communication technology.