Mini FM Transmitter Module Wireless Microphone Single Channel Board 3-5V 100mW Adjustable Sensitivit

Product Introduction: 1. Output Power: 100mW 2. Audio Frequency Response Range: 50Hz-18KHz 3. Transmitting Frequency: 76.0MHz-108.0MHz 4. Modulation Mode: Standard FM 5. Sound Track: Single channel 6. Power Supply Voltage: DC 3.0V-5.0V 7. Operating Current: 35mA 8. Adaptive Antenna: 75cm bar antenna Features: 1. Adopt FM PLL Technique 2. Adopt Audio Low Noise Operational Amplifier as microphone amplification 3. Power Off Automatic Memory Previous Frequency 4. Adopt High Precision SMD Quartz Crystal Stabilizing Frequency 5. PC Port Configure Transmitting Frequency By Serial Port

Frequency configuration method and procedure: 1. USB to TTL module and the module connection method (1): Connect the GND, RXD, TXD and 5V ports of the USB to TTL module (need to be purchased separately) to the GND, TX, RX, VCC of the module, As shown below: (The adapter is not includes)



2. Install USB to TTL serial port module driver (1) install CH341SER_V3.3USB to serial port module driver folder inside (2) connect the USB to the serial port module and the module after the insertion of USB to serial module to the computer, waiting for the driver to install automatically, after the installation is complete automatically open the device manager to see USB to TTL module corresponding serial port number
Package includes:

1 xMini FM Transmitter Module