System 20 PRO boundary microphone transmitter.
Features
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		Cardioid polar pattern
	
 
	- 
		Long-lasting internal lithium-ion batteries for all-day transmitter use
	
 
	- 
		Selectable mute operation (toggle, touch-to-talk, or touch-to-mute)
	
 
	- 
		Two LED options: standard mode and conference mode
	
 
	- 
		OLED display
	
 
	- 
		USB Type-C™ connector for charging (transmitter can be used while charging)
	
 
	
		
	
	
 
  Overall System
Operating Frequencies	2,402~2,480MHz
Dynamic Range	120dB (A-weighted), typical
Total Harmonic Distortion	< 0.05%, typical
Maximum Simultaneous Use (recommended)	Standard: 10 channels
HD mode: 20 channels
It depends on the region and environment.
System Frequency Response	20 to 20,000Hz
Varies depending on the microphone to be installed.
Delay	Standard: 2.8ms
HD mode: 6.7ms
Audio Sampling Rate	Standard: 24bit/48kHz
HD mode: 24bit/48kHz
Encryption Method	AES128