The SI4825A10 FM Radio Receiver Module is a compact broadcast-band receiver covering 88–108 MHz FM frequencies, designed with smooth mechanical tuning and a built-in TDA2822 2W mono audio amplifier. Operating from 3.7V to 7.5V DC, this module is ideal for portable radio projects, DIY electronics builds, and educational applications.

Features

• FM broadcast band coverage: 88–108 MHz
• High-performance SI4825A10 radio receiver IC
• Built-in TDA2822 2W mono audio amplifier
• Adjustable mechanical tuning control
• On-board volume control potentiometer
• Operates on 3.7V – 7.5V DC
• Supports external antenna for improved reception
• Direct speaker output (mono)
• Compact and easy-to-integrate PCB design
• Low power consumption – ideal for battery-powered projects
• Through-hole components for easy servicing and modification

Specifications

• Receiver IC: SI4825A10
• Frequency Range: 88 – 108 MHz (FM Broadcast Band)
• Amplifier IC: TDA2822
• Audio Output Power: Up to 2W (Mono)
• Operating Voltage: 3.7V – 7.5V DC
• Audio Output Type: Speaker Output (Mono)
• Tuning Method: Mechanical Variable Control
• Antenna: External Wire Antenna
• PCB Type: Pre-assembled module
• Channel Type: Analog FM

Applications

• DIY FM radio projects
• Portable radio systems
• Educational electronics experiments
• Audio amplification demonstrations
• Custom enclosure radio builds
• Hobbyist and maker projects