2.4G Wireless Conference Unit With Wireless Charging and Check-in Voting HY-5940C2 HY-5940D2

- Built-in 2×14mm high-fidelity gold-plated condenser dual-diaphragm microphones, using an improved variable-step DDCS adaptive algorithm for noise reduction pickup;

- The microphone boom employs 32,500 high-density acoustic interference holes with a diameter of 0.4mm, precisely calculated for aperture and spacing;

- Equipped with a 128×32 high-brightness LCD display, supporting display functions for battery level, signal strength, ID address, and speech timer;

- Features a speech timer function, supporting dynamic display of speech time;

- Employs 2.4G all-digital frequency hopping (DSSS) modulation communication technology in the ISM band, using a wireless transceiver for voice and data exchange, ensuring audio latency of less than 5.5ms;

- Uses 128-bit AES Rijndael and 48-bit PIN code encryption protection to prevent eavesdropping and unauthorized access, ensuring the privacy of the meeting;

- The system features 4 working modes: First-In-First-Out (FIFO), Chairperson-Only, Timed Speaking, and Limited Speaking. The number of speakers can be customized to 1/2/3/4;

- Supports check-in and voting functions, with black for check-in, green for approval, red for disapproval, and yellow for abstention, making it intuitive and clear;

- Low-power design with a built-in 3000mAh rechargeable battery, featuring dynamic battery level display and low battery reminder, supporting up to 10 hours of continuous standby use;
- High-sensitivity design with built-in automatic gain control (AGC) function, effective pickup distance up to 60-100cm;

- Employs the FTC334C professional capacitive touch-sensitive button processing chip, virtual touch buttons, no mechanical button sound when switching on and off, and long service life;

- Uses stable capacitive touch-sensitive buttons and supports glove mode;

- The system supports connection of 4 chairman units. The chairman unit has the function of controlling the meeting order and priority speaking rights, and can shut down other representative units that are speaking;

- Uses digital ID addressing method, customizable ID number, has digital identification code, and the signal stream can be output to a third-party speech recognition system for conversion into text archiving;