ITEM NAME:Mini Microphone Fm Transmitter Module Mic Wireless Audio 100Mhz Board E4G4 Mini Microphone Fm Transmitter Module Mic Wireless Audio 100Mhz Board E4G4 This product will be put the sound around the on-board microphone into FM radio radio signals emitted,To achieve pickup and wireless audio FM transmitter Product launch frequency is adjustable,The green component on the core board is adjustable capacitance Change the adjustable capacitor can change the transmission frequency,Adjustable range covers the 88 – 108 MHz GB FM section You can use the radio and mobile phone as a receiver This product is widely used in voice pickup transmission,audio MIC,sleep monitoring,and other suitable occasions Color:green +silver Material:PC +metal Operating voltage:0.7 – 9 V Frequency adjustment range:88-108 MHz Transmission distance:50 – 100 meters(9 V when using the 70 cm antenna conductors) Package Contents: 1*Microphone FM Transmitter Module
