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Product Code: MREL-079
MPN #: CM20
In many conference rooms the sound is uneven, voices get lost, and background noise makes meetings hard to follow. When participants cannot hear each other clearly, decisions are delayed and frustration grows. The Yealink CM20 AI-Powered Grey Ceiling Microphone, 94 dB, 120 - 16000 Hz solves this by capturing every voice in the room with a 360 array of 16 omnidirectional microphones. Its built-in DSP cleans the audio, so you get clear, natural sound without extra equipment.
Imagine a meeting where every word is heard as if the speaker were standing right in front of you. That is what this ceiling microphone delivers. It is a ceiling-mounted microphone designed for medium to large conference rooms and works perfectly with Yealink MVC video-conference systems. If you struggle with echo, muffled speech, or the need for multiple tabletop mics, this single device replaces them all and keeps the room looking tidy.
| Features | |
| Housing material | Acrylonitrile butadiene styrene (ABS), Polycarbonate |
| Placement supported | Ceiling |
| Product colour | Grey |
| Product type | Microphone |
| Microphone | |
| Signal-to-Noise Ratio (SNR) | 86 dB |
| Number of microphone arrays | 16 |
| Microphone direction type | Omnidirectional |
| Microphone frequency | 120 - 16000 Hz |
| Microphone sensitivity | 94 dB |
| Ports & interfaces | |
| Device interface | RJ-45 |
| Power | |
| Power consumption (max) | 9 W |
| Power consumption (typical) | 5.7 W |
| Power source type | PoE |
| Weight & dimensions | |
| Weight | 615 g |
| Height | 83 mm |
| Depth | 223 mm |
| Width | 223 mm |
| Operational conditions | |
| Storage temperature (T-T) | 0 - 70 °C |
| Operating relative humidity (H-H) | 5 - 90% |
| Operating temperature (T-T) | 0 - 50 °C |
| Packaging data | |
| Package type | Box |
| Package weight | 2.46 kg |
| Package height | 135 mm |
| Package depth | 310 mm |
| Package width | 398 mm |
| Packaging content | |
| Packaging content | CM20 Microphone, White Mesh Cover (Black Optional), Quick Start Guide, Assembly Fixing Bracket, Dust Cover, Length-Adjustable Pole (Optional), Bracing Bridge*1 pair, Suspend Pole Adapter (Optional), Expansion Bolt*6 (φ6 * 30 mm, white, Polyamide), Self-tapping Screw*6 (T4*30mm), Machine Screw*5 (3*6PMOZN3+), Bracing Bredge Screw*20 (M3*6PWMHOZN3) |
| User guide | Yes |
| Screws included | Yes |
| Mounting kit | Yes |
| Quantity | 1 |
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We are retiring PICOPC Products MNHO-073, MNHO-048 and MNHO-043 and they have reached EOL (End Of Life) as we are introducing new products with better technology. We would recommend you to look into MNHO-095. For Untangle, pfSense, OPNsense, Windows 11, Proxmox VE etc. we recommend MNHO-095 whereas for Sophos, Kerio Control and Endian, we would recommend MNHO-069. (A complete list of supported OS can be found in each product's listing)