88-115MHz FM Wireless Microphone Transmitter Module - Arduino

Small FM transmitter module with up to 100m range operating within 88-108 MHz band. The module is equipped with a sensitive microphone. Can be used to monitor sounds and voices using any ordinary home radio FM receiver. Technical data:

Operating Voltage: DC 2V- 9V

Current: 9mA @ 3V

Reference distance: open ground 100 meters, 10-30 meters indoor environmental obstacles (3v voltage test, increasing the voltage will greatly increase the range)

Operating frequency: 85MHz - 115MHz (default frequency usually between 99-101 MHz)

Frequency adjustment: adjustable capacitor

Output Impedance: 50 ohms Dimensions: 20.6 x 10.1 mm