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4-channel digital interpreter | 4-channel digital infrared transmitting host | ||||
system capacity | Single host ≤32 | working voltage | AC100-240V 50/60Hz | ||
frequency response | 30Hz-20KHz | Number of channels | 4 CH | ||
display | 7.0 "color LCD display | power waste | 100 W | ||
microphone sensitivity | -42dB±2dB | Signal to noise ratio | >90 dB | ||
Total harmonic distortion | < 0.45% | Input level | 2V p-p | ||
working voltage | 24DC,-5% | Output level | 75 Ohm | ||
Working current | 120mA ±5% | Three Working modes | normal mode, emergency mode and leisure mode | ||
4-channel full digital infrared receiver unit | All digital infrared radiator | ||||
modulation mode | DQPSK | Working power supply | AC100-240V 50/60Hz | ||
Receiving angle | 270° | Number of channels | 32CH | ||
display | 128×64 LCD display | modulation mode | DQPSK | ||
carrier frequency | 2-8MHz | RF input | 100-2000mV | ||
Audio processing | IR-DSP | Radiation distance | 50M | ||
working voltage | 3.6V | Radiation angle Horizontal | ± 60 °, vertical ± 45 ° | ||
power waste | 60mW | Carrier wavelength | 850nm | ||
Earphone load | 32 Ohm |