Description:

This mini wireless FM transmitter with an integrated microphone is a plug-and-play solution. Connect a battery and antenna to the board, and you're ready to go. The trimpot allows for convenient frequency adjustment, and the device can be tuned in and listened to using any FM receiver, such as an FM radio or a mobile phone.

Its compact size of 20mm x 10mm and a weight of just 1g make it incredibly portable, suitable for various applications where space and weight considerations are crucial. The transmitter boasts an impressive outdoor range of up to 100 meters and an indoor range of 10-30 meters, making it ideal for both outdoor and indoor use.

Key Features:

Wireless Audio Transmission: Enables convenient wireless transmission of audio signals.
Compact Design: Small size and lightweight for portability and ease of use.
Operating Voltage Range: Supports a wide range of operating voltages from 2V to 9V.
Low Power Consumption: Efficient energy usage with a current draw of 9mA at 3V.
Adjustable Frequency: Easy frequency adjustment using an adjustable capacitor.
Broad Operating Frequency Range: Operates within the range of 85MHz to 115MHz.
Compatible with FM Radios: Receivable by any FM radios, including FM phones.
Output Impedance: Output impedance of 50 ohms for optimized signal transmission.
Wireless Microphone Integration: Equipped with a built-in microphone for convenient audio input.
Flexible Range: Offers a range of up to 100 meters in open outdoor spaces and 10-30 meters indoors.
User-Friendly Setup: Simple setup by connecting a battery and antenna, with frequency tuning via the trimpot.
Versatile Applications: Suitable for various applications, including personal use, portable audio setups, and wireless communication needs.

Specifications:

1. Operating Voltage: DC 2V - 9V
2. Current: 9mA (at 3)
3. Reference Distance: 100 meters in open ground, 10-30 meters indoors with environmental obstacles (at 3V; increasing the voltage greatly extends the distance)
4. Operating Frequency: 85MHz - 115MHz (the default out-of-box is 99-101MHz)
5. Receive Way: Compatible with any FM radio within the 88-108MHz range, including FM feature phones
6. Frequency Adjustment: Adjustable capacitor
7. Output Impedance: 50 ohms
8. Dimensions: 20mm x 10mm
9. Weight: 1g