Operating System

• Android 13
• Based on Microsoft Device Ecosystem Platform (MDEP)

Camera

• Number of cameras: 2
• Lens FOV
 - 2x Tele Camera:120° DFOV, 110° HFOV, 54° VFOV
• Maximum pixels: 2 * 48MP pixels
• Number of preset positions: 9
• Depth of field: 1-5 meters
• 6x digital zoom
• Maximum resolution: 3840 * 2160
• Video output resolution: 4k (2160p) 30fps, 1080p60fps
• Effective focal length: 4.2 mm
• Aperture: F/2.2-F/2.4
• Supports wide dynamic range
• Supports auto exposure
• White balance: ATW/auto/manual
• Shutter speed: 10ms-33ms
• Minimum illumination: 0.5 lux (daytime), 0.1 lux (nighttime)
• Signal-to-noise ratio: >63 dB
• Privacy cover: Electric lens cap
• Electronic gimbal
• Lens calibration
• Intelligence Features
 - IntelliFocus (up to 4 portraits)
 - Auto Framing
 - Speaker Tracking
 - People counting
 - Picture in Picture
 - Smart Gallery (Zoom only)

Speaker

• Built-in 2 x 10W speakers
 - Rated Power: 10W + 10W
 - Maximum Power: 12W + 12W
• Maximum sound pressure level: 92 dBSPL @ 10 W @ 1 m
• Frequency response: 100-16kHz
• Sensitivity: 100±3dB 1 W/0.1 m
• Sampling rate: 48kHz
• Sound emission angle: Forward-facing
• Total Harmonic Distortion (THD): at 10W, 1kHz, ＜5%
• Rated impedance: 4 ohms

Microphone

• Built-in 8 MEMS microphone array
• 6-meter pickup distance, 4-meter high-quality pickup distance
• Signal-to-noise ratio: 72dB@1kHz
• Maximum sound pressure level: 130dBSPL (whole device), 100dBSPL (individual microphone)
• Dynamic range: 28-100dBSPL
• Sensitivity: -38dBV/pa
• Frequency response: 100-20kHz
• Sampling rate: 48k
• Bit depth: 32-bit
• Audio processing: Full duplex, AEC (Acoustic Echo Cancellation), AGC (Automatic Gain Control)
• Noise suppression: AI-enhanced noise suppression
• Expansion mics: Supports 2 expansion microphones

Resolution

• Lens resolution: up to 4k30fps
• Bandwidth requirement: 10Mbps or more

Content sharing

• Teams: 1080p30fps in meeting, 4k30fps in local sharing
• Zoom: up to 1080p30fps
• General mode (BYOM): up to 4k30fps
• RingCentral: 1080p30fps
• H.323/SIP: 1080p30fps

Video Codec

H.264 High profile, H.264 SVC, H.264

Audio Codec

• ARES: 24kHZ bandwidth
• G.722.1C: 16kHz bandwidth
• G.722.1: 8kHz bandwidth
• G.722: 8kHz bandwidth
• G.711 (PCMA/PCMU): 4kHz bandwidth
• G.729: 8kHz 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 (BYOM)
• Dual stream protocol: H.239 (H.323) / BFCP (SIP)
• FECC: H.224/H.281
• H.323 protocol suit: H.245, H.225, H.235, H.241
• Gatekeeper account and SIP account

Network Protocol

• Wi-Fi 6
 - 2.4G & 5G dual-band, 802.11a/b/g/n/ac/ax
 - 2x2 MIMO
• Bluetooth 5.0
• 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
• RingCentral Admin Center

Installation

• Wall mount (Provided with the product)
• Use TV-Clip Mount (Provided with the product) (Additional: purchase VCS_TVMount2 or VB-TVMount-01)
• Place on the desktop (Additional: purchase VB-TabletopMount-01)

Ports

• 1x USB2.0 USB-A port
• 2x USB2.0C USB-C port
• 1x USB3.0 USB-C port
 - Video input supports formats up to maximum 4k30fps, including 1080P60fps
• 1x Ethernet port: 10/100/1000Mbps
• 1x Yealink VCH port (RJ-45)
• 2x HDMI-out
 - Video output supports formats up to maximum 4k30fps, including 1080p60fps
 - Supports HDMI CEC
• 1x 3.5mm Line-in & Line-out port
• 1x Power port
• 1x Security lock slot
• 1x Reset slot
• HDMI input (through the VCH51 Sharing Kit)

Package

• MeetingBar A40
• Power adapter, 3.5m/11.48ft
• 2x HDMI cable, 1.8m/5.91ft
• 1x Network cable, 3m/9.84ft
• TV-Clip Mount
• Wall Mount
• Cable Cover
• MeetingBar A40 Quick Start Guide
• Optional Package
 - A40-010: A40+VCR11
 - A40-031: A40+CTP25 Package (CTP25, 2m/6.56ft 65W PD power adapter, 7.5m/24.6ft Network cable, 1.2m/3.94ft USB C to C cable, High stand, Cable management cover)

Environmental Factor

• Operating humidity: 10 - 95%
• Operating temperature: 0 - 40°C
• Storage temperature: -30℃~70℃
• BTU/hr: 38 in idle, 58 in meeting

Dimensions and weight (W × D × H)

• MeetingBar A40: 650 × 62 × 80 mm
• N.W/CTN: 5.540 kg
• G.W/CTN: 6.086kg

Warranty

• Standard: 2-year limited hardware warranty included
• Extended: Additional extended warranties are available at the time of hardware purchase. Contact your reseller.