| Model |
MeetingBar A25 |
| Operating System |
Android 13 |
| Based on Microsoft Device Ecosystem Platform (MDEP) |
| Camera |
Number of cameras: 3 |
| Lens FOV: |
| – 1 × Ultra-Wide Camera: DFOV 182°, HFOV 151°, VFOV 81° |
| – 2 × Tele Cameras: DFOV 93.5°, HFOV 84.4°, VFOV 53.1° |
| Maximum pixels: 3 × 4K cameras, all with 8 MP image sensors |
| Number of preset positions: 9 |
| Depth of field: 0.4 – 2.5 m |
| Maximum resolution: 3840 × 2160 |
| Maximum frame rate: 30 fps |
| Video output resolution: 4K (2160p) 30 fps, 1080p 60 fps |
| Privacy cover: Electric lens cap |
| Electronic gimbal |
| Lens calibration |
| Camera Intelligence Features |
IntelliFocus (2 portraits) |
| Auto Framing |
| Speaker Tracking |
| Picture in Picture |
| Video Fence |
| Smart Gallery (Zoom Rooms only) |
| Speaker |
Built-in 10 W speaker |
| Rated power: 10 W |
| Maximum power: 12 W |
| Maximum sound pressure level: 90 dB SPL @ 10 W @ 1 m |
| Frequency response: 100 Hz – 16 kHz |
| Sensitivity: 86 dB SPL @ 1 W @ 0.5 m |
| Sampling rate: 48 kHz |
| Sound emission angle: Forward-facing |
| Total Harmonic Distortion (THD): < 5% @ 10 W, 1 kHz |
| Rated impedance: 4 ohms |
| Microphone |
Built-in 8 MEMS microphone array |
| Pickup distance: 5 m (3.5 m high-quality pickup) |
| Signal-to-noise ratio: 72 dB @ 1 kHz |
| Maximum sound pressure level: 130 dB SPL (whole device), 100 dB SPL (individual microphone) |
| Dynamic range: 28 – 100 dB SPL |
| Sensitivity: -38 dBV/Pa |
| Frequency response: 100 Hz – 20 kHz |
| Sampling rate: 48 kHz |
| Bit depth: 32-bit |
| Audio processing: Full duplex, AEC (Acoustic Echo Cancellation), AGC (Automatic Gain Control) |
| Noise suppression: AI-enhanced noise suppression |
| Expansion microphones: Not supported |
| Resolution |
Lens resolution: up to 4K 30 fps |
| Bandwidth requirement: 10 Mbps or more |
| Content Sharing |
Teams: 1080p30 fps in meeting, 4K30 fps in local sharing |
| Zoom: up to 1080p30 fps |
| General Mode (BYOM): up to 4K30 fps |
| RingCentral: 1080p30 fps |
| H.323 / SIP: 1080p30 fps |
| Video Codec |
H.264 High Profile |
| H.264 SVC |
| H.264 |
| Audio Codec |
ARES: 24 kHz bandwidth |
| G.722.1C: 16 kHz bandwidth |
| G.722.1: 8 kHz bandwidth |
| G.722: 8 kHz bandwidth |
| G.711 (PCMA / PCMU): 4 kHz bandwidth |
| G.729: 8 kHz bandwidth |
| Security |
Full Disk Encryption: AES-128, AES-256 |
| Data Encryption: Symmetric Keys, PKI |
| Device Identity: Protected by device attestation |
| Device Access: Authenticated using API |
| Key Protection: Arm TrustZone, RPMP |
| Communication Standard Protocol |
H.323 / SIP in General Mode |
| Dual stream protocol: H.239 (H.323) / BFCP (SIP) |
| FECC: H.224 / H.281 |
| H.323 protocol suite: H.245, H.225, H.235, H.241 |
| Gatekeeper account and SIP account |
| Network Protocol |
Wi-Fi 6 |
| – 2.4G & 5G dual-band, IEEE 802.11 a/b/g/n/ac/ax |
| – 2 × 2 MIMO |
| Bluetooth 5.1 |
| TCP/IP (IPv4 / IPv6), DHCP / Static IP |
| HTTPS secure web access |
| Configuration Management |
Automatic configuration via web page / display / AutoP |
| Firmware upgrade, factory reset |
| Configuration import and export |
| System log export |
| Device Management |
Yealink HTTPS Web Portal |
| Yealink Device Management Platform |
| Yealink Management Cloud Service |
| Microsoft Device Management Platform (Microsoft Teams Admin Center / Intune) |
| Zoom Device Management |
| Installation |
Wall mount (included) |
| TV mount (optional: VB-TVMount-01, VB-TVMount-02, or TV-Clip Mount) |
| Desktop placement (optional: VB-TabletopMount-01) |
| Ports |
1 × USB 2.0 Type-A |
| 1 × USB 2.0 Type-C (side) |
| 1 × USB 3.0 Type-C |
| – Video input up to 4K30 fps, including 1080p60 fps |
| 1 × Ethernet port (10/100/1000 Mbps) |
| 1 × Yealink VCH port (RJ-45) |
| 1 × HDMI-out port |
| – Video output up to 4K30 fps, including 1080p60 fps |
| – HDMI CEC supported |
| 1 × 3.5 mm Line-out port |
| 1 × Power port |
| 1 × Security lock slot |
| 1 × Reset slot |
| Package |
MeetingBar A25 |
| Power adapter (3.5 m / 11.48 ft) |
| HDMI cable (1.8 m / 5.91 ft) |
| Network cable (3 m / 9.84 ft) |
| USB-A to USB-C cable (3.0 m / 9.84 ft) |
| Wall mount |
| Cable cover |
| MeetingBar A25 quick start guide |
| Environmental Factors |
Operating humidity: 10 – 95% |
| Operating temperature: 0 – 40°C |
| Storage temperature: -30°C – 70°C |
| BTU/hr: 38 (idle), 58 (in meeting) |
| Dimensions & Weight (W × D × H) |
MeetingBar A25 dimensions: 570 × 80 × 65 mm |
| Net weight (N.W/CTN): 3.812 kg |
| Gross weight (G.W/CTN): 4.290 kg |