Mini FM Transmitter Module Wireless Microphone Single Channel Board 3-5V 100mW Adjustable Sensitivity PLL 76.0MHz-108.0M

Product Introduction 1 Output Power 100mW2 Audio Frequency Response Range 50Hz 18KHz3 Transmitting Frequency 76 0MHz 108 0MHz4 Modulation Mode Standard FM5 Sound Track Single channel6 Power Supply Voltage DC 3 0V 5 0V7 Operating Current 35mA8 Adaptive Antenna 75cm bar antenna Features 1 Adopt FM PLL Technique2 Adopt Audio Low Noise Operational Amplifier as microphone amplification3 Power Off Automatic Memory PreviousFrequency4 Adopt High Precision SMD Quartz Crystal Stabilizing Frequency5 PC Port Configure Transmitting Frequency By Serial PortFrequency 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 numberPackage includes 1 x Mini FM Transmitter Module