DMS-301C is a wireless 5G digital conference chairman unit with a 2-inch LCD screen displaying device status. It is easy to operate and has permission buttons and speaking buttons. Participants only need to lightly press the speaking button to speak, with clear sound quality. It adopts professional DSP processing design, making the speaker's voice clear and thorough. It supports functions such as discussion speaking and camera tracking, and has built-in 128 bit AES and 64 bit PIN code dual encryption technology, supporting HD Sound audio and video transmission protocol.

Functional features:

1. Adopting a low-power 64 bit A8 chip ensures stable and reliable acquisition and transmission of wireless transmission signals.

2. Adopting MIMO antenna array technology to solve multi-user resource reuse and improve coverage capability.

3. Supports HD Sound digital audio and video transmission technology, while sending and receiving encrypted digital audio.

4. Adopting F-odfm technology effectively improves the spectrum utilization and peak throughput of the system bandwidth.

5. Adopting MCS adaptive gain technology to ensure the stability of uplink and downlink data throughput of wireless audio signals.

6. Adopting ploar high reliability encoding method to solve error retransmission, reduce signal-to-noise ratio requirements, and improve coverage.

7. Adopting IEEE1588 clock protocol for audio clock synchronization transmission technology to ensure microphone audio signal synchronization.

8. Adopting 256QAM encoding modulation method, the delay of control and audio signals is less than 3ms.

9. Adopting dual encryption technology of 128 bit AES and 64 bit PIN code to ensure the confidentiality of the conference and avoid eavesdropping and malicious interference.

10. Adopting isolated WAP/WAP2 secure connection, hiding SSID security protection, can prevent unauthorized access.

11. Adopting seamless mobile cellular switching technology, there will be no interruption of sound when moving.

12. The high fidelity microphone head conference unit adopts a φ 16 capacitor microphone head, which integrates a double mesh windproof cover

13. Adopting a fully copper shielded design to resist mobile phone RF interference, it has super strong resistance to mobile phone, electromagnetic, and high-frequency interference.

14. The microphone adopts a 48KHz sampling rate and non compressed audio transmission technology, resulting in clear and bright sound.

15. Using a top of the line ADC chip with 24bti/192KHz, the dynamic range and signal-to-noise ratio achieve CD sound quality.

16. Built in professional DSP audio chip with automatic feedback suppression function.

17. Supports multiple microphone modes: first in first out/normal mode/application mode/free mode/last in second out/voice control mode (optional).

18. Adopting a 2-inch color LCD screen, it displays information such as status, clock, ID settings, battery level, signal strength, etc.

19. Adopting Pump Express Plus fast charging technology, it takes 2.5 hours to fully charge.

20. Adopting high-capacity Tesla lithium batteries with a capacity of up to 6000mAh.

21. Low power design, with dynamic battery display and low battery reminder function, supporting ≥ 18 hours of continuous speech or 240 hours of standby.

22. Supports clock display, with forward timing to limit speech and countdown to limit speech, improving conference management efficiency.

23. Support digital wireless speech discussion, voting, voting, sign in, camera positioning tracking, and tea service functions.

24. Buffer type air pressure button, effectively avoiding mechanical button sound impact;

25. Supports microphone volume sensitivity adjustment, built-in dual antennas, greatly improving WiFi network transmission efficiency.

26. The chairman unit has priority control and can suspend/close/approve speeches on behalf of the unit.

27. Support the alternating flashing of red and green LED lights on the microphone rod to indicate the need for tea service.

28. Adopting military grade SMT surface mount production technology to ensure stable and reliable system operation.

Technical parameters:

Transmission Protocol: HD Sound Audio and Video Transmission Protocol;

Distributed protocol: Zeroconf network protocol;

Synchronous Clock: IEEE1588 Precision Clock Protocol

Transmission mode: unicast or multicast

Audio transmission: 1-1024 channels

POE protocol: IEEE802.3af and IEEE802.3at;

Transmission interface: TCP/IP interface;

Control identification: ID address 001-999, system settings;

Microphone type: high directional pole type