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Tags: FM Transmitter, Audio Transmitter, Transmitter With Microphone
Description:DH-Radio transmitter module with microphone is an FM frequency band transmitter. The green component on the core board is an adjustable capacitor (Change the adjustable capacitor can change the transmission frequency)For testing, you can use this module as the transmitter and your mobile phone as the receiver.
Features:Frequency range: 88MHZ ~ 108MHZDefault Frequency: 100MHzOperating voltage: 0.7V ~ 9VTransmission distance: 50 ~ 100 meters (at 9V , the use of 70 cm Antenna, open space)The relationship between the operating voltage (V) and the supply current (mA) and the transmitted power (dBm) is as follows:9V , 24mA , 10.2dBm8V , 21mA , 9.5dBm7V , 19mA , 8.5dBm6V , 17mA , 7.1dBm5V , 14mA , 6.1dBm4V , 12mA , 4.5dBm3V , 9mA , 2.2dBm2V , 6mA , -1dBm1.5V , 4.2mA , -4dBm1V , 2.4mA , -9dBm0.7V , 0.9mA , -20dBm
Package Include:1 x FM Audio Transmitter Module With Microphone
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