13.3-inch Desktop Gooseneck Microphone Paperless Conference All-in-One Device (Android System) | GZZHYUN

1. Main Hardware Technical Specifications 1. CPU: Rockchip RK3568 2. RAM: 4GB DDR3 3. Storage: 32GB SSD 4. Ports: 2 × USB-A, 1 × RJ45 LAN Port, 1 × MIC Audio Po

1. Main Hardware Technical Specifications

1. CPU: Rockchip RK3568

2. RAM: 4GB DDR3

3. Storage: 32GB SSD

4. Ports: 2 × USB-A, 1 × RJ45 LAN Port, 1 × MIC Audio Port, 1 × DC Power Port, 2 × Microphone Network Ports

5. Main Display: 13.3 inch, Resolution 1920\*1080

6. Secondary Display: 8 inch, Resolution 1600\*480

7. Operating System: Android OS

8. Working Environment: Ambient Temperature: 5℃ ~ 40℃; Relative Humidity ≤75%

9. Power Supply: 12V DC

10. Overall Dimension: 382mm × 210mm × 110mm

2. Gooseneck Microphone Module Features

The microphone module is equipped with a detachable gooseneck mic boom, built-in cardioid condenser pickup capsule with dual-color status indicator lights. Standard boom length: 420mm, customized lengths are available on demand.

1. Chairman unit supports full conference management functions: approve delegate speaking requests, forcibly mute any active delegate microphone units.

2. Physical talk button with one-touch talk/lock function.

3. Built-in automatic camera tracking linkage function.

4. Digital audio stream processing technology with built-in full-frequency peak limiting circuit, delivering rich, clear and natural vocal sound quality.

5. Operating Voltage: DC24V, powered centrally by the main conference host.

6. Additional Chairman Unit Control Functions:

(a) Approve speaking applications submitted by delegate terminals

(b) Force-close any ongoing active delegate microphone units

(c) Unlimited speaking quantity & speaking mode options; free deployment without position restrictions

3. Microphone Acoustic Technical Parameters

1. Polar Pattern: Cardioid

2. Transducer Type: Condenser Capsule

3. Off-axis Attenuation: ＞80dB

4. Total Harmonic Distortion: ＜0.1%

5. Frequency Response: 60Hz – 18kHz

6. Signal-to-Noise Ratio (SNR): ＞80dB

7. Equivalent Noise Level: ≈20dB SPL

8. Maximum SPL: 105dB (3% THD Limit)

9. Sensitivity: -22dBV/Pa