Power Source : 7.4 V DC (battery), 9 V DC (AC adapter)
(supplied from BP-900 battery (option) or AD-0910 AC adapter (option))
Current Consumption : Max. 270 mA
Infrared Emitter/Detector
Wavelength : 870 nm (AM: Brightness modulation)
Modulation Method : Frequency modulation
Carrier Frequency : Transmission: Audio channel 1: 7.35 MHz
Audio channel 2: 8.10 MHz
Audio channel 3: 8.55 MHz
Audio channel 4: 9.15 MHz
Control channel: 6.45 MHz
Reception: Audio channel: 1.95 MHz
Acceptance Angle : Vertical: 90゜, Horizontal: 120゜
Emission Angle : Vertical: 90゜, Horizontal: 120゜
Covering Range : 7 m (22.97 ft) (radius)
Input : Microphone terminal: XLR-4-31 type
(dedicated for connecting the optional TS-903 or TS-904)
Output : Monitor speaker: 8 Ω, 0.2 W
Headphone: φ3.5 mm mini Jack (3P:monaural) × 2
LED Indicator : 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)
Function : Monitor volume control, Headphone volume control, Priority speech function
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 ℃ (32