DSP PLL 87-108MHz บอร์ดโมดูล เครื่องส่งสัญญาณ FM แบบสเตอริโอ ไมโครโฟนไร้สาย แบบดิจิตอล

100% brand and high quality
Material: Electrical components
Color: See pictures
Product Features:
1: The use of advanced digital audio signal processing (DSP) technology and FM modulation phase-locked loop (PLL) to make sound more realistic more stable performance long working hours without frequency offset.
2: LCD display is more intuitive and accurate with very low power consumption and minimal noise interference.
3: Built-in 30 digital volume adjustment the key operation can be easily completed.
4: automatic memory before power down the volume and frequency of information
5: multi-channel audio input automatically switches
6: High-precision SMD quartz crystal frequency stabilization temperature voltage changes the transmission frequency is no longer drift
7: supports serial command control
Product parameters:
Output power: 100mW
Audio Frequency Range: 50Hz-18KHz
Transmission frequency:
Close campus radio 87.0MHz-108.0MHz open campus radio 76.0MHz-108.0MHz
Frequency adjustment step: 0.1MHz / second (short key press) 1.0MHz / time (long button press)
Modulation modes: standard FM FM
Channel: LINE / USB channel (stereo) MIC channel (mono)
Equivalent noise: ≥30dB (sound close to CD quality)
Supply voltage: DC 3.0V-5.0V
Operating Current: 35mA
Transmitting antenna: 75cm whip antenna
Transmission Distance: FM transmitter module connected 75cm standard rod antenna with radio Desheng PL-660 open to the measured coverage radius of
100 meters. (Note: The transmission range is for reference only because the environment is slightly different)
Size: See the picture
No retail package
Quantity: 1Pc
Note: Due to the difference between different monitors the picture may not reflect  the actual color of the item. Thank you!!

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