Multichannel infrared frequency for wireless meeting microphone, with less noise interference of UHF frequency PLL phase locking technology. Microcomputer CPU control, noise interference. Metal panel configuration per channel receiver respectively, equipped with LCD display screen, accurate display working state, using electronic operation button control panel. High-fidelity membrane cartridge, make good noise reduction, the surfaces of the base villi paint from scratching by the super high strength abrasion resistance, durable sex is extremely strong, LED large LCD display, additional receiver back can speak instrumentation, name badge!! Hotel meeting desktop never need another table tablet stands! Particularly applicable to government unit used in the meeting room.

Receiver parameters:

↘ carrier frequency: UHF700-860 MHZ

↘ channel number: 800

↘ rated frequency deviation: + 25 KHZ

↘ frequency stability: plus or minus 0.0005%

↘ signal-to-noise ratio: 95 db (A)

↘ frequently ring tone: 50 hz - 20 KHZ

↘ audio output level: - 10 DBV

↘ range: visibility 80 m () in the absence of any disturbance

Transmitter parameters:

↘ carrier frequency: UHF700-860 MHZ

↘ channel number: 800

↘ rated frequency deviation: + 25 KHZ

↘ frequency stability: plus or minus 0.0005%

↘ frequently ring tone: 50 hz - 20 KHZ

↘ distortion: 0.5% or less @ 1 KHZ

↘ power supply: meeting (1.5 V AA * 4) interface type (1.5 V AA * 2)

↘ sign size: 157 x50mm (meeting)