| Power Source | 7.4 V DC (battery), 9 V DC (AC adapter) (supplied from BP-900 battery (option) or AD-0910 AC adapter (option)) | 
        
            | Power Consumption | MAX. 270 mA | 
        
            | Infrared Emitter/Detector Wavelength | 870 nm (AM: Brightness modulation) | 
        
            | Infrared Emitter/Detector Modulation Method | Frequency modulation | 
        
            | Infrared Emitter/Detector Carrier Frequency | Transmission: Audio channel 1: 7.35 MHzAudio channel 2: 8.10 MHzAudio channel 3: 8.55 MHzAudio channel 4: 9.15 MHzControl channel: 6.45 MHz | 
        
            |  | Reception: Audio channel: 1.95 MHz | 
        
            | Infrared Emitter/Detector Acceptance Angle | Vertical: 90°, Horizontal: 120° | 
        
            | Infrared Emitter/Detector Emission Angle | Vertical: 90°, Horizontal: 120° | 
        
            | Infrared Emitter/Detector Covering Range | 7 m (radius) | 
        
            | Input | Microphone terminal: Combined type of XLR-4-31 (dedicated for connecting the optional TS-903 or TS-904) | 
        
            | LED Indicator(TS-801·802) | Speech indicator (flashes when the unit is out of communications range), Power indicator (flashes when the unit is out of communications range or when the battery level is low) | 
        
            | Battery Life | Approx. 10 hours (when the fully-charged BP-900 battery is used with "During Speech" to "Standby" ratio of 1:2) | 
        
            | Operating Temperature | 0.to+40. | 
        
            | Dimensions | 210(W )×65.9(H )×152(D )mm | 
        
            | Weight | 630g | 
        
            | Option | Microphone: TS-903, TS-904 (Select either one.)Lithium-ion battery: BP-900 AC adapter: AD-0910 |