FM Wireless Microphone Kit FM Radio Transmitter Module Electronic Training Kit

Feature: PCB size: 50 x 30mm (L x W) Operating voltage: 1.5V-9V Current: 3.3MA-29MA Operating frequency: FM band 85-115MHZ Receiving equipment: FM radio / mobile phone with FM radio function, etc. Audio Response: 20HZ-15KHZ RF power: -2dbm to 15dbm RF output impedance: 20ohm Second Harmonic: -40db Transmission distance: 100M-1000M Component Position Quantity Resistance 330ohm R7 1 Resistance 1M R3 1 Resistance 100ohm R8 1 Resistance 10K R4, R5 2 Resistance 4.7K R1, R2 2 Resistance 47K R6, R9 2 Ceramic capacitor 102 C3, C4 2 Ceramic capacitor 15P C10, C14 2 Ceramic capacitor 47P C15, C16 2 Ceramic capacitor 30P C11, C12 2 Ceramic capacitor 104 C1, C2, C5, C6, C7 5 Ceramic capacitor 201P C13 1 Ceramic capacitor 24P C9 1 MIC MIC 1 LED LED 1 4T Hollow coil L1 1 9T Hollow coil L2 1 8T Hollow coil L3 1 5-pin audio seat J1 1 Ceramic adjustable capacitor C8 1 Adjustable resistance R10 1 Power seat J2 1 Triode 9014 Q1 1 Triode 9018 Q2, Q3 2 Package includes: 1 x FM Wireless Microphone Kit