Songhe FM Transmitter Pickup Pick up Module Mini Wireless Microphone MIC Wireless Audio Transmitter FM Emission MIC Core Board V4.0

$5.21

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Features: This item has unparalleled wide voltage working range from 0.7V to 9V. It launch pure, spurious signal, the suppression is only -60dBc. Specifications: Operating voltage: 0.7V-9V Frequency regulation range: 88-108MHZ (default 100MHz) Launch distance: 9V work, the use of 70 cm antenna, open space, launch distance of 50-100 meters The relationship between the operating voltage (volts) and the supply current (MA) and the transmitted power (dBm) is as follows: 9V,24 Ma,9.5dBm 7V,19 Ma,8.5dBm 6V,17 Ma,7.1dBm 5V,14 Ma,6.1dBm(about 5 MW) 4V,12 Ma,4.5dBm 3V,9 Ma,2.2dBm 2V,6 Ma,-1dBm (about 1 MW) 1.5V, 4.2 Ma, -4dBm (about 0.5 MW, general home environment emission enough, green radiation small) 1V, 2.4 Ma, -9dBm 0.7V, 0.9 Ma, -20dBm (i.e. 0.01 MW)
he launch frequency is adjustable, the core board green components is the adjustable capacitor, change the adjustable capacitor can change Launch frequency, adjustable range covering 88-108MHZ GB FM-band
You can use the radio and the phone (the phone with the headset line to do the antenna sensitivity is poor, is not recommended as a receiver) as a receiver!
It is widely used in voice pickup transmission, audio MIC, the elderly and children sleep monitoring, etc. need to pick up the sound of the occasion!
The back of the core panel is labeled +,- and ANT,representing the power positive,negative,and antenna ends.The antenna generally soldered a 0.7 meter long short wire on will be OK,which is very easy!


Price: $5.21
(as of Jul 06,2022 19:00:46 UTC – Details)

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Songhe FM Transmitter Pickup Pick up Module Mini Wireless Microphone MIC Wireless Audio Transmitter FM Emission MIC Core Board V4.0

$5.21

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