Wireless infrared intelligent conference voting system

  1. New process, high gloss surface , anti- scratch , anti-oxidation, fade-proof, rub resistance, easy to clean, feel relieved to buy and feel at ease to employ.

Features of infrared delegate microphone
1、The delegates can automatic ON when the main unit give them requests and automatic OFF when main unit OFF.
2、Portable table moving and microphone pipe can be pull out. Extended pipe optional.

3. Electric capacity type microphone, equipped with windshield cover

4、LCD color red/blue (option)

5、LCD display microphone ID, signal level, battery level, microphone state, control channel, etc. 6、Equipped with microphone on/off key and indicator.

7、Equipped with 5 function keys to set microphone id, control channel, LCD contrast, light time and voting

8、Auto-Close: Microphone will turn off automatically if there is no action of this microphone in 99 seconds. (Option)

9、Microphone will shut off the power in 60 seconds to save battery power if system communication is error.

10、LCD will display “IR Signal Weak” if the IR signal is weak when microphone working.


Features of infrared chairman microphone

Including the functions of the delegate unit, chairman unit has other following functions:

1、Chairman microphone can turn on any time.

2、In one system microphones just support one chairman microphone and the ID number should be 1.

3、Priority function: chairman can turn off delegate microphones any time.

4、Chairman only mode: Delegate microphone can not be turned on again after chairman microphone press priority button. The chairman need quit this mode first, and then delegate microphone can be turned on again.


Audio channel Transmission method Wireless infrared
Audio channel 4
Carrier frequency band 6MHz-8MHz
Modulation method FM
Infrared radiator consumption +10dBM
Mic sensitivity -44dB±2dB
Frequency response 100Hz-10KHz
S/N Ratio >70dB
T.H.D. <0.5%
Reference sound receiving distance 10-30cm
Data control channel Transmission method Wireless
Data channel 14
Frequency Range 901MHz-927MHz
Modulation method FSK
Receiving sensitivity -85dBM
Transmission consumption 10dBM
Communication rate 100KBPS
Microphone Battery LIP battery12V/4000MAH
Consumption Rating 8W
Operating temperature range 0-40 degree
Length of gooseneck 400mm (optional)
Dimensions 260×158×79mm
N.W  1100g (with battery)