Wireless audio solution of car
Car audio wireless solution
Car audio wireless OEM ODM Service
Car audio wireless design
Mini tour guide system\Radio guide system\Tour guide system\Wireleaa 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
Car audio wireless solution
Car audio wireless OEM ODM Service
Car audio wireless design
Mini tour guide system\Radio guide system\Tour guide system\Wireleaa 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. | 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 | |