- 16-array beamforming microphone
 - AI-powered noise reduction
 - Radius 4m nominal coverage
 
Category: Video Conferencing Accessories
        | Features | |
|---|---|
| Product type | Microphone | 
| Product colour | Grey | 
| Placement supported | Ceiling | 
| Housing material | Acrylonitrile butadiene styrene (ABS), Polycarbonate | 
| Microphone | |
| Microphone sensitivity | 94 dB | 
| Microphone frequency | 120 - 16000 Hz | 
| Microphone direction type | Omnidirectional | 
| Number of microphone arrays | 16 | 
| Signal-to-Noise Ratio (SNR) | 86 dB | 
| Ports & interfaces | |
| Device interface | RJ-45 | 
| Power | |
| Power source type | PoE | 
| Power consumption (typical) | 5.7 W | 
| Power consumption (max) | 9 W | 
| Weight & dimensions | |
|---|---|
| Width | 223 mm | 
| Depth | 223 mm | 
| Height | 83 mm | 
| Weight | 615 g | 
| Operational conditions | |
| Operating temperature (T-T) | 0 - 50 °C | 
| Operating relative humidity (H-H) | 5 - 90% | 
| Storage temperature (T-T) | 0 - 70 °C | 
| Packaging data | |
| Package width | 398 mm | 
| Package depth | 310 mm | 
| Package height | 135 mm | 
| Package type | Box | 
| Packaging content | |
| Quantity | 1 | 
| Mounting kit | Yes | 
| Screws included | Yes | 
| User guide | Yes | 
| 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) | 
| Product | 
                        
                            
    
         
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                                                                Yealink CM20 Microphone Grey                            
                        
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                                                                Heckler Design H544-BG video conferenc...                            
                        
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|---|---|---|---|---|---|---|
| SKU | 
                                 
                                                                                                                                CM20                                                                                                                         
                             | 
                                                                                
                                 
                                                                                                                                H544-BG                                                                                                                         
                             | 
                                                                                
                                 
                                                                                                                                993-001952                                                                                                                         
                             | 
                                                                                
                                 
                                                                                                                                2200-30780-001                                                                                                                         
                             | 
                                                                                
                                 
                                                                                                                                DBA13310EB-ADWP                                                                                                                         
                             | 
                                                                                
                                 
                                                                                                                                60U6300000AB                                                                                                                         
                             | 
                                            
| Manufacturer | 
                                 
                                                                                                                                Yealink                                                                                                                         
                             | 
                                                                                
                                 
                                                                                                                                Heckler Design                                                                                                                         
                             | 
                                                                                
                                 
                                                                                                                                Logitech                                                                                                                         
                             | 
                                                                                
                                 
                                                                                                                                HP Poly                                                                                                                         
                             | 
                                                                                
                                 
                                                                                                                                DTEN                                                                                                                         
                             | 
                                                                                
                                 
                                                                                                                                AVer                                                                                                                         
                             | 
                                            
| Product colour | 
                                 
                                                                                                                                Grey                                                                                                                         
                             | 
                                                                                
                                 
                                                                                                                                Black                                                                                                                         
                             | 
                                                                                
                                 
                                                                                                                                Black                                                                                                                         
                             | 
                                                                                
                                 
                                                                                                                                Black                                                                                                                         
                             | 
                                                                                
                                 
                                                                                                                                Black                                                                                                                         
                             | 
                                                                                
                                 
                                                                                                                                Grey                                                                                                                         
                             | 
                                            
| Product type | 
                                 
                                                                                                                                Microphone                                                                                                                         
                             | 
                                                                                
                                 
                                                                                                                                Wall mount                                                                                                                         
                             | 
                                                                                
                                 
                                                                                                                                N/A                                                                                                                         
                             | 
                                                                                
                                 
                                                                                                                                Screen                                                                                                                         
                             | 
                                                                                
                                 
                                                                                                                                Controller                                                                                                                         
                             | 
                                                                                
                                 
                                                                                                                                Speaker                                                                                                                         
                             |