| Camera features | - F/1.8 aperture
- Sensor: Sony 1/2.8 inches CMOS
- Maximum pixels: 8MP
- 6x digital zoom
- FOV(D):120°
- FOV(H): 110°
- FOV(H): 75°
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| Video characteristics | - Lens distortion correction supported
- Anti-flickering supported
- Automatic white balance and exposure supported
- 3D noise suppression supported
- UHD (4K)
- Aspect ratio: 16:9
- YUV：max of 480P@30fps
- MJPEG：max of 1080P@30fps
- H264：max of 2160P@25fps
- Speaker tracking supported
- Closeup group supported
- Auto-framing supported
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| Microphone features | - 5-element 180° microphones array
- Effective pickup distance: 5m (16ft)
- -38dBV/Pa 94dB SPL@1kHz
- 63dBV/Pa 94dB SPL@1kHz,A-weighted
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| Speaker characteristics | - Rated output power: 4Ω/1.5W
- Speaker frequency response: 160Hz ~20kHz
- Speaker volume: 80±3dB（800,1000,1200,1500Hz）@1W/1m
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| Audio characteristics | - Direction of arrival（DOA）supported
- Beamforming supported
- Maximum background noise suppression: 18dB
- Full-duplex communication
- Echo cancellation: coupling loss≥56dB
- Automatic Gain Control (AGC) within 5 meters
- Reverberation suppression: RT60<1s
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| Daisy-chain | - POE UTP RJ45 (CAT6)
- Maximum daisy chain units: 4 units of A20
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| Physical characteristics | - Height: 81mm (3.2 inches)
- Width: 570mm (22 inches)
- Depth: 77mm (3 inches)
- Net weight: 2033g（incl. bracket 250g）
- Gross weight: 3410g
- Color: lunar rock gray
- Desktop stand（standard）/ TV bracket（optional）/ wall bracket（optional）
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| Power and connectivity | - External power supply: DC 48V/1.35A
- Compatible operating systems: Windows/Mac/Linux
- USB port: USB 2.0 Type-C
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