COMPREHENSIVE PERFORMANCE            
Carrier frequency:UHF790-870MHz            
Frequency stabilization:Less than 10ppm            
Dynamic rang : more than 90dB            
Total harmonic distortion:less than 0.5%            
Frequency response: 40Hz-15KHz±3dB            
Audio output level :separate type:0-400mV            
                                mix type:0-200mV            
            
RECEIVER            
Power Supply: DC12-18V            
Consume power: 3watt            
Signal-to-noise ratio: more than 90dB            
Image & noise rejection : more than 80dB            
Receiving sensitity: 10dBuV(sinad=20dB)         
De-Emphasis:50µ S        
        
HANDHELD MICROPHONE        
Transmitter power:   H:>20mW         
                              L:>10mW
Microhone Mode:Dynamic        
Modulation type: FM,F3F        
Max deviation:±25KHz        
Spurious emission: more than 60dB(with carrier)        
Battery voltage:  3V        
Battery life:   6 hours