5G WIFI Wireless Digital Conference Representative Unit - Function Introduction

The chairman/representative unit of the 5G WiFi conference system supports desktop installation and adopts WiFi transmission technology with strict digital protection to ensure the privacy of the conference and avoid eavesdropping and malicious interference;

The communication frequency band adopts 5G encryption technology, and the fully digitized conference control host and conference unit use digital transmission technology. The system unit microphone can adjust different sound effects according to the speaker's voice characteristics until a perfect effect is achieved;

Having custom chairman and representative unit switching, enabling multiple devices to be used simultaneously, flexible and convenient; The unit is equipped with digital audio stream processing technology, resulting in richer and clearer sound quality;

The chairman unit has conference control function: it can forcibly close the representative unit that is speaking; Unrestricted by installation location; The representative unit has the function of applying to speak and is controlled by the chairman unit; Each conference unit has an independent IP number,

★ Heart shaped directional capacitive microphone with dual color indicator light, speaking in red, applying for speaking in flashing green, fixed microphone pole design base and microphone pole integrated;

The effective pickup distance of the unit reaches 80cm, with no whistling or critical whistling tail sound, and a built-in full frequency voltage limiting circuit;

The unit supports power on use, with built-in 18650 lithium battery and 2500MA rechargeable lithium battery. The battery capacity supports 12 hours of continuous speech. The unit has a type-c charging port to ensure normal speech and prompts charging on the display screen;

★ Adopting mechanical button design, no mechanical button sound, waterproof and durable, easy to clean;

The microphone adopts a high-definition 2.4-inch TFT color display screen, which can display ID in real time DA， Volume size, microphone status, speaking time, display date, signal strength, battery level and other information, built-in dual antennas, greatly improving WiFi network transmission efficiency, compatible with upgrade programs; Support switching between Chinese and English language interfaces.

The unit has a volume adjustment button, a main switch button, clear sound quality, and easy operation;

★ Adopting a shielding circuit design to effectively prevent electromagnetic wave interference in the space;

★ It has the function of suppressing howling, effectively preventing sound feedback;

Microphone type: high-end technology array microphone core, heart-shaped directional polarizer;

Mic rod length: 220mm (standard)

Carrier frequency band: 5GHz

Signal to noise ratio:>80dB;

Frequency response: 20Hz-20KHz;

Sensitivity: -43dB ± 2dB@1KHz ；

Total harmonic distortion:<0.05%;

Output delay<5ms.

Microphone input impedance: 1K Ω;

Maximum SPL: 100dB (THD>3%);

Crosstalk:>70dB;

Dynamic range:>80dB;

THD：<0.1%；

Maximum power consumption: 4 W;

Power supply method: Type-C charging port is equipped with a built-in lithium battery for power supply, and the charging port is directly powered;

Installation method: desktop style;