Yealink Device Comparison
CATEGORY
Product

RCH40
Room Cable Hub

CM20
CM20

RoomSensor Pro
RoomSensor Pro
All Specifications
Appearance
OverView
Keywords
• Up to 90w PoE Budget
• 4x 10/100/1000Mbps Port
• 802.3af/at-compliant
• PoE Priority Control
• Advanced Microphone
• Array Superior Coverage
• Intelligent Sound Processing
• Intelligent Tracking
• Network and Deployment Efficiency
• Versatile Ceiling Integration
• Wide Detection Range
• People Counting Decetion
• Temperature Detection
• Humidity Detection
• Illuminance Detection
• Flexible deployment
Key Features
• 4x 10/100/1000Mbps Port
• 802.3af-compliant
• Mutiple deploy method
• 90w total PoE Budget(30w per port)
Physical Feature
• 1x LED indicate Power state
• 1x LED indicate PoE Budget
• Support standard PoE Supply(802.3af)
• Dimension(WDH):100mm x 100mm x 23mm
• Frequency Response: 120Hz-16kHz
• Maximum SPL: 122dBSPL
• Signal Noise Ratio: 86dB @<1% THD
• Sensitivity: 0 dBV/Pa 94dBSPL@1kHZ
• Microphone: 16 omni-direction microphone
• AEC Channel: 1 channel internal
• People Counting:
- Detection range:Radius 4m circular area (when the installation height is 3m)
- Detection distance:≤5m
• Temperature:
- Range: 0° C~40℃
- Resolution: 0.1℃
- Accuracy: -1~+3℃
• Humidity:
- Range: 10~95% RH
- Resolution: 0.5%RH
- Accuracy: ±5%;
• Illuminance:
- Range:
- First Gear : 0~300lux
- Second Gear : 301~800lux
- Third Gear : 801~3000lux
- Fourth Gear : 3001~20000lux
- Fifth Gear : 20000lux and above
- Accuracy: ±10%
Introduction
The RCH40 provides 4 10/100/1000Mbps ports that support 802.3af-compliant PoE, with a total PoE power supply up to 90W, powerful and flexible enough for users to connect video conference system. The RCH40 also comes equipped with Yealink EasyConnect, user can connect RCH40 to Yealink VCH port without power adapter, simplifying your cable connection.
The Yealink CM20 is a premium ceiling microphone,expertly crafted to enhance audio performance in professional conference settings.Boasting an advanced array of 16 omnidirectional microphones,the CM20 captures sound in 360°, ensuring clarity and inclusivity in every discussion. With an integrated DSP, CM20 offers plug-and-play functionality with Yealink MVC systems, removing the need for external audio processing.
The Yealink RoomSensor Pro is a multi-functional sensor designed for conference rooms. Built on Yealink's AI algorithm, the product accurately identifies human characteristics and enables precise people counting. It includes various environmental detection functions such as temperature, humidity, and illumination, allowing real-time monitoring of meeting room air quality and health.



















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