2.4G wireless guide system\\wireless audio guide system\\portable guide system

Wireless tour guide system, Whisper tour guide system,Long distance tour guide system,Audio guide system. Specifications  1. Transmit frequency 2400-2480 MHz; Complete digital audio transmission.2. Channel & Volume Display function. Channel 40 Max; 6-channel versions for Simultaneou

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Wireless tour guide system, Whisper tour guide system,Long distance tour guide system,Audio guide system.


 Specifications
 
 
1. Transmit frequency 2400-2480 MHz; Complete digital audio transmission.
2. Channel & Volume Display function. Channel 40 Max; 6-channel versions for Simultaneous Interpretation;
3. Sampling rate 64K; Frequency Response 20-20KHz,HDCD sound quality;
4. Shortest latency(<0.5ms), surround lsound;
5. Ultra-low power consumption, 8hr.work time for transmitter and 20hr.continuous work time for receiver.
6. Rechargeable battery or dry lbattery can be used;
7. Small in size, easy to install, flexible in design land support customization;
8. Audio mute when no signal or weak signal existing; Changing channel automatically or manually is optional (confirm when ordering);
9. Transmit power 1MW-100MW as optional (Confirm when ordering. Default power is 100 MW and the maximum transmit distance is 180 meters in an lopen area)
 
  Applications
 
·     Travel & Tourism: Tourism, museums, galleries, business and tour guides to explain the Convention.
·     VIP reception: the promotion of company's products, high-level exhibition, the Government, the reception of VIPs visited the factory, industrial tourism
·      Teaching training: schools, training institutes, conference rooms, auditorium, classroom lectures, seminars and other learning activities, special job training
NO.DescriptionTransmitter moduleReceiver module
1Work voltage3.6- 6V DC2.5 - 3.6V DC
2Work electric currentMax 120mAMax 35mA
3Work temperature-15 - +65-15 - +65
4Frequency response2400 - 2483 MHz2400 - 2483 MHz
5ModulationGFSK 
6Baud rate2M bps2M bps
7Channel space4MHz4MHz
8Stabilization of frequency+/-156KHz+/-156KHz
9Work frequency range2400 - 2483 MHz2400 - 2483 MHz
10Work channel20 CH20 CH
11Channel space of module4MHz4MHz
12Output power0-20 dBm 
13Receiver sensitivity 90dBm
14Input powerMax 1.0Vrms 
15Input impedance10k Ohm 
16Input modeTwo input modes:   
1. Microphone     
2. Stereo audio
 
17Stereo output 1 30mW   RL = 32Ω
18Stereo output 2 50mW   RL = 16Ω
19Output impedance 1k Ohm
20RF Distance100-150 meters in the open area under 20dBm
21Output input gain ratio1:1
22Frequency response20 - 20000Hz ( +/1dB )
23The latency time< 0.5 ms
24Sampling ratio64kHz@16 bit*2
25SNR95 dB
26Distortion0.8%@1kHz
27Dynamic range90dB
28Separation between the left and right track70 dB

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