Wireless Tour Guide System (1 transmitter and 5 receivers)

Wireless Tour Guide System (1 transmitter and 5 receivers)
Specifications1. 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 module1Work voltage3.6- 6V DC2.5 -3.6V DC2Work electric currentMax 120mAMax 35mA3Work temperature-15 -+65-15 -+654Frequency response2400 -2483 MHz2400 -2483 MHz5ModulationGFSK6Baud rate2M BPS2M BPS7Channel space4MHz4MHz8Stabilization of frequency+/-156kHz+/-156kHz9Work frequency range2400 -2483 MHz2400 -2483 MHz10Work channel20 CH20 CH11Channel space of module4MHz4MHz12Output power0-20 dBm13Receiver sensitivity90dBm14Input powerMax 1.0Vrms15Input impedance10k Ohm16Input modeTwo input modes:
1. Microphone
2. Stereo audio17Stereo output 130MW RL =32Ω18Stereo output 250MW RL =16Ω19Output impedance1k Ohm20RF Distance100-150 meters in the open area under 20dBm21Output input gain ratio1: 122Frequency response20 -20000Hz (+/1dB )23The latency time< 0.5 ms24Sampling ratio64kHz@16 bit*225SNR95 dB26Distortion0.8%@1kHz27Dynamic range90dB28Separation between the left and right track70 dB