Portable Wireless Guide System\\Wireless Radio 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 late

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 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. Description Transmitter module Receiver module
1 Work voltage 3.6- 6V DC 2.5 - 3.6V DC
2 Work electric current Max 120mA Max 35mA
3 Work temperature -15 - +65 -15 - +65
4 Frequency response 2400 - 2483 MHz 2400 - 2483 MHz
5 Modulation GFSK  
6 Baud rate 2M bps 2M bps
7 Channel space 4MHz 4MHz
8 Stabilization of frequency +/-156KHz +/-156KHz
9 Work frequency range 2400 - 2483 MHz 2400 - 2483 MHz
10 Work channel 20 CH 20 CH
11 Channel space of module 4MHz 4MHz
12 Output power 0-20 dBm  
13 Receiver sensitivity   90dBm
14 Input power Max 1.0Vrms  
15 Input impedance 10k Ohm  
16 Input mode Two input modes:   
1. Microphone     
2. Stereo audio
 
17 Stereo output 1   30mW   RL = 32Ω
18 Stereo output 2   50mW   RL = 16Ω
19 Output impedance   1k Ohm
20 RF Distance 100-150 meters in the open area under 20dBm
21 Output input gain ratio 1:1
22 Frequency response 20 - 20000Hz ( +/1dB )
23 The latency time < 0.5 ms
24 Sampling ratio 64kHz@16 bit*2
25 SNR 95 dB
26 Distortion 0.8%@1kHz
27 Dynamic range 90dB
28 Separation between the left and right track 70 dB

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