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: Base language channel: 1.95 MHz Translation language channel: 2.25 MHz |
Acceptance Angle |
Vertical: 90゜ (45゜ + 45゜), Horizontal: 360゜ |
Emission Angle |
Vertical: 90゜ (45゜ + 45゜), Horizontal: 360゜ |
Communication Area |
Approx. 6 m in radius from the point underneath the unit (Ceiling height: 5 - 7 m) |