※ use UHF640-840MHz frequency band, to avoid interference; ※ receiver small and exquisite, hidden antenna; ※ multi-level narrowband high frequency and IF narrowband filter, the full elimination of interference signals; ※ quartz oscillation circuit with a very high frequency stability; ※ use of audio compression - expansion technology, greatly reduce the noise, increase the dynamic range; ※ With the return call to reduce the low function, can effectively reduce the return call; ※ receiver with multi-stage high-frequency amplification with a high degree of sensitivity; ※ noise level lock double mute control, multi-machine at the same time do not interfere with each other; ※ with balanced mode and unbalanced way audio output; ※ wide frequency response range, ultra-low distortion;
※ Carrier frequency: UHF640-840MHZ; ※ Frequency stability: <± 20ppm; ※ dynamic range:> 95dB; ※ Harmonic distortion: <0.5%; ※ frequency response: 50HZ-18KHZ ± 3dB; ※ audio output: balanced: 0-2V mixed (6.3mm): 0 ~ 400mV; Fixed receiver ※ use the power supply voltage: DC12-18V; ※ Power consumption: 3WATER; ※ SNR:> 98dB; ※ false interference ratio:> 80dB; ※ Adjacent channel interference ratio:> 80dB; ※ Receiving sensitivity:> 5dBu (SINAD = 20dB); ※ Size: 482X210X42mm; Launch microphone ※ Transmit power: + 10dBm; ※ Modulation: FM, F3F; ※ Maximum modulation degree: ± 40KHZ; ※ high harmonics: less than the main wave reference 50dB; ※ use the power supply voltage: 1.5V battery 2; ※ continuous use time: 10 hours; ※ power off the noise: with a perfect switch noise elimination circuit;