Feature: 1. The transmission frequency of the audio transmitter module can be adjusted, and the adjustable range covers 88ā108mhz national standard FM band.2. The green component is a tunable capacitor, changing the tunable capacitor can change the transmit frequency. 3. With 0.7Vā9V wide voltage working range, long transmission distance, strong practicability. 4. You can use radios and mobile phones as receivers (the earphone cable for mobile phones makes the antenna sensitivity very poor and is not recommended). 5. Widely used in sound transmission pickups, audio microphones, sleep monitoring and other situations where sound needs to be captured. Specification: Item Type: Audio Transmitter Module The relationship between working voltage (volt) and supply current (milliamps) and emission power (dBm) is as follows:
Package List: 1 x Module
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