RDA5807M FM Stereo Radio Module 76-108MHz I2C for Arduino

RDA5807M FM Stereo Radio Wireless Module – High-Performance I2C Radio for Arduino & DIY Projects

Take your electronics projects to the next level with the RDA5807M FM Stereo Radio Module (RRD-102V2.0). This ultra-compact, high-sensitivity FM radio module delivers crystal-clear stereo sound across the full global FM band (76–108MHz), making it the perfect building block for Arduino projects, DIY audio devices, GPS systems, and portable media players.

Built on RDA Microelectronics' fully integrated single-chip CMOS technology, this module combines impressive performance with minimal external components — ideal for makers, hobbyists, and engineers who need reliable FM reception in a tiny footprint.

Made in Mainland China.

Key Features

• Universal Drop-In Compatibility: Uses the industry-standard 102BC module packaging — simply swap it into existing circuit designs with zero modifications needed.
• Exceptional Audio Quality: High sensitivity, ultra-low noise, and strong anti-interference design deliver clear, crisp FM stereo audio every time.
• Global FM Frequency Coverage: Supports 76–108MHz worldwide, including Japan (76–91MHz) and US/Europe (87.5–108.5MHz) — no frequency adjustments required when changing regions.
• I2C Serial Interface: Features a standard I2C communication bus with external reference clock input support for easy integration with microcontrollers like Arduino.
• Built-In Audio Enhancements: Integrated noise reduction, soft mute, and bass boost circuits ensure an enjoyable listening experience right out of the box.
• Direct Headphone Output: 32Ω load high-power audio output allows direct headphone connection — no external amplifier required.
• Ultra-Low Power Consumption: Operates on 2.7–3.6VDC via an integrated LDO regulator — perfect for battery-powered applications.
• Tiny Form Factor: Measures just 11 × 11 × 3mm — fits virtually anywhere in your design.

Specifications

• Chip: RDA5807M (or RDA5802NM)
• Frequency Range: 76–108MHz
• Interface: I2C Serial
• Operating Voltage: 2.7–3.6VDC
• Audio Output Load: 32Ω
• Dimensions: 11 × 11 × 3mm (0.43 × 0.43 × 0.12 inch)
• Condition: Brand New
• Origin: Mainland China

Applications

• Arduino and microcontroller-based FM radio projects
• Mobile DVD, TV, MP3, MP4, and portable media players
• Campus, enterprise, and public address FM broadcasting systems
• Wireless audio systems and stereo headsets
• GPS navigation and TV broadcasting systems
• High-end game consoles and wireless audio electronics
• Mobile phones, intercoms, and mobile broadcast equipment
• PDA and laptop computer peripheral applications

What's in the Box

• 1 × RDA5807M FM Stereo Radio Module (RRD-102V2.0)

Explore More Electronics & Tools

Looking for more components and accessories? Check out our 10-Pack 22AWG Glass Tube Fuse Holder 5x20mm & 6x30mm Screw and our 100W Dual-Port Car Charger – Fast Charging for your next build.

For more information on radio frequency standards and wireless communication guidelines, visit the FCC (Federal Communications Commission) or explore RF electronics fundamentals at NIST Electronics.

Note: Due to monitor and lighting variations, the actual product color may differ slightly from images. Please allow ±1–2cm deviation due to manual measurement.

Frequently Asked Questions

Q: Is the RDA5807M FM Stereo Radio Module compatible with Arduino?

A: Yes! The RDA5807M module features an I2C serial interface that is fully compatible with Arduino and most other popular microcontrollers. It requires minimal external components and can be integrated into your Arduino FM radio project quickly and easily.

Q: What FM frequency range does this module support?

A: The RDA5807M FM Stereo Radio Module supports a global FM frequency range of 76–108MHz. This includes the Japanese band (76–91MHz) and the US/European band (87.5–108.5MHz), making it suitable for use worldwide without any hardware changes.

Q: Can I connect headphones directly to this FM radio module?

A: Yes. The module supports 32Ω high-power audio output, which allows you to connect standard headphones directly without needing an external audio driver amplifier — saving cost and simplifying your circuit design.

Q: What is the operating voltage of the RDA5807M module?

A: The module operates on a supply voltage of 2.7–3.6VDC, thanks to its integrated LDO voltage regulator. This makes it ideal for battery-powered and low-power embedded applications.