🪶 FM2032 Mini FM Transmitter Wireless Microphone Transmitter is a cutting-edge, battery-powered audio transmission solution designed to meet diverse broadcasting needs. This ultra-compact FM broadcast module operates on a single CR2032 coin cell battery and utilizes PLL synthesis technology, ensuring stable frequency output within the standard FM band of 88-108MHz. It comes equipped with multiple preset frequency options, making it flexible for various applications.
🔧 Key Features
- Compact Power: Operates efficiently on a single CR2032 coin cell battery, allowing for portability and ease of use.
- PLL Synthesis: Offers exceptional frequency stability with minimal drift for reliable broadcasting.
- Multiple Frequencies: Provides four preset frequencies (96.7MHz, 100.0MHz, 105.6MHz, 109.0MHz) to suit your needs.
- Efficient Antenna: The 17cm bottom-loaded antenna ensures optimal radiation and enhanced signal transmission.
- Miniature Design: Its ultra-small form factor allows for discreet and versatile placement.
- Simple Operation: Designed for plug-and-play usage—no complex setup is required.
📦 Technical Specifications
- Power Supply: DC 2-3.6V from a CR2032 lithium coin cell.
- Operating Current: 28mA ±5mA for efficient power consumption.
- Frequency Range: Varies within FM 88-108MHz with preset frequencies available for convenience.
- Modulation: Wide FM (WFM) ensures compatibility with standard FM radios and clear audio reception.
- Output Power: Less than 10dBm (approximately 10mW) for effective transmission over distances.
- Transmission Distance: Achieves ranges of 50-100+ meters, influenced by environmental factors and receiver sensitivity.
🔍 Performance Characteristics
- Frequency Stability: Maintained through advanced PLL synthesis for consistent audio quality.
- Audio Quality: Clear audio reception via wide FM modulation, suitable for various applications.
- Battery Life: Dependent on CR2032 capacity and usage patterns, designed for longevity.
🔍 Applications
- Ideal for wireless microphone systems in live presentations or performances.
- Great for educational electronics projects where audio transmission is essential.
- Useful for short-range audio broadcasting for personal or community use.
- Perfect for transmitting audio in toys and models.
- Supports personal FM broadcasting for unique content sharing.
- Can be integrated into audio monitoring systems for real-time sound evaluation.
🌟 Setup & Operation
- Battery Installation: Insert a fresh CR2032 battery, ensuring correct polarity for optimal functionality.
- Frequency Selection: The module is preset to specific frequencies, which can be confirmed via labeling.
- Antenna Deployment: Fully extend the 17cm wire antenna for maximum signal integrity.
- Audio Connection: Connect your microphone or audio source to the input for transmission.
- Reception: Tune your standard FM radio to the matching frequency for seamless audio playback.
🎤 Transmission Optimization Tips
- Clear Line of Sight: Ensure an unobstructed path for enhanced transmission distance.
- Antenna Orientation: Positioning the antenna vertically typically yields the best results.
- Receiver Quality: Utilize high-sensitivity radios to maximize range performance.
- Environmental Awareness: Minimize interference by avoiding metal structures and dense materials.
🔩 Package Contents
- FM transmitter module (battery not included - requires standard 3V lithium coin cell).
