1. Power Button	press and hold on to turn on or turn off the power
2. Display Screen	display the channel and frequency
3. Low Battery Indicator	the red light turn on if the battery is not enough
4. Battery Cover
5. Sound Receiver	steel netting and sound head module

 

MS-20 microphone description

Feature:
●Fashion and unique appearance design.
●Microphone capsule minimizes the background noise and produces clear sound.
●Easy plug and play with high portability.
●PLL technology design , avoiding careless implication if frequency spots
●Excellent clear audio quality, unique and flat frequency response, over human frequency.
●With 4pcs antennas , more stable quality.
 

Main Feature
Frequency Range	640-690MHz	Working Dlistance	30-50 meters
Signal-to- Noise Ratio	> 105dB	Frequency Bandwidth	25MHz
Total Harmonic Distortion	<0.5%	Channel Interval	300KHz
Modulation Mode	Analog	Max Devlation	±45KHz
Frequency Response	40HZ-1 8KHZ(t2db)	Frequency Stablility	±0.005%

 

Receiver
Oscillation Mode	PLL	Antenna Access	TNC/50N
Sensitivity	12dBuV(80db S/N)	Mid-Frequency	110MHz.10.7MH2
Sensitivity Adjustment	12-32dBuV	Spurlous suppression	275db
Power Supply Mode	DC12V,850mA Input	Max Output Electrical Level	+ 10dbv

 

Transmitter
Output Power	10mW~ 15 mW	Osillation Mode	PLL
Directlvity	Cardiold plckup pattern	Transmitter Type	Dynamlc microphone
Frequency Response	40- 18,000HZ(+ 1db,-3db)	Pipe Body Material	Zinc aluminum alloy
Power Supply	2*AA 1.5V alkall batterles	Battery Ufe Time	10-20 hours

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