โมดูลรับส่งสัญญาณเสียงไร้สาย 2.4G NRF24L01 wireless digital high-fidelity audio receiving and transmitting module/wireless speaker/analog audio interface board

Feature:
2.4G NRF24L01 Wireless Digital Audio Module
Product description
Operating voltage: 5V 44.1K, 24bit AD sampling to achieve non-fidelity digital sound
16-channel selection
Maximum distance of 100 meters on open ground.
Working current: 50mA
Working channel: 1 - 16CH 
Input impandance: 600ohm
output Tone: 0.3-1 V
Frequency: 20Hz-20 kHz

Note:
1. Schematic attached in the tital picture.
2. Connect the power on the item. Input analog signal to transmitter, then You will receive a signal from the receiver
3. If the LEDs on both boards flick twice, the two boards get paired.
4. If there are other signals influence the board, please press the button on the transmitter. You will see the LED get flick. The LED on the receiver flick too, they will jump to another channel. We have 16 channels.