SIM800C GSM GPRS Development Board – Bluetooth, TTS & DTMF

SIM800C GSM GPRS Development Board – Bluetooth, Audio, TTS & DTMF

Take your embedded and IoT projects to the next level with the SIM800C GSM GPRS Development Board. This versatile module combines GSM/GPRS cellular connectivity, Bluetooth audio interfacing, Text-to-Speech (TTS), and DTMF support into a single compact SMD package — making it an ideal foundation for prototyping, automation, and communication-based applications.

Whether you're building a remote monitoring system, an SMS-triggered controller, a voice-interactive device, or a data-logging unit, this board delivers the connectivity features you need with broad voltage compatibility (5V–12V) and reliable performance in a development-friendly form factor.

Key Features

• GSM/GPRS Connectivity: Send and receive SMS, make voice calls, and transmit data over GPRS networks
• Bluetooth Audio Interface: Wireless audio streaming and hands-free communication support
• TTS (Text-to-Speech): Convert text commands into spoken audio output — great for interactive or alert-based systems
• DTMF Support: Detect and send dual-tone multi-frequency signals for remote control applications
• Wide Supply Voltage: Compatible with 5V–12V power supplies for flexible integration
• SMD Package: Compact surface-mount design for space-efficient builds
• Customizable: Supports hardware customization to suit specific project requirements
• Condition: Brand new

Specifications

What Can You Build With It?

The SIM800C development board is popular among hobbyists, engineers, and students for a wide variety of projects:

• SMS-based home automation controllers
• GPS + GSM vehicle tracking systems
• Remote sensor data reporting over GPRS
• Voice alert and TTS notification systems
• DTMF-controlled switching circuits
• Bluetooth-enabled wireless audio projects

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Frequently Asked Questions

Q: What is the SIM800C GSM GPRS Development Board used for?

A: The SIM800C GSM GPRS Development Board is a multi-function wireless communication module used in embedded systems and IoT projects. It supports GSM/GPRS cellular communication (SMS, calls, data), Bluetooth audio streaming, TTS (Text-to-Speech) output, and DTMF tone detection — making it suitable for automation, remote monitoring, voice-interactive devices, and more.

Q: What voltage does the SIM800C development board support?

A: The board supports a wide input voltage range of 5V to 12V, offering flexible compatibility with most common microcontroller and power supply setups, including Arduino, Raspberry Pi, and other development platforms.

Q: Does this module support Bluetooth audio and TTS simultaneously?

A: Yes. The SIM800C module integrates a Bluetooth audio interface alongside Text-to-Speech (TTS) functionality and DTMF support, allowing developers to build multi-feature voice and wireless communication systems within a single compact module.

Q: Is the SIM800C board compatible with Arduino or Raspberry Pi?

A: The SIM800C development board is widely used with Arduino, Raspberry Pi, STM32, and other microcontroller platforms via UART serial communication. Its 5V–12V supply range and standard AT command interface make integration with popular development boards straightforward.

Production & Packaging Notice

To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.