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White outdoor dome camera with clear bubble and black base, RJ45 pigtail visible

ACTi

ACTi A820 4MP 5x Outdoor Zoom Dome network camera

SKU CH-VK2R-MVAA3 MPN A820

4 MP outdoor zoom dome with 5× optical zoom, 85 m IR night vision and 150 dB WDR

  • Network CameraYes
  • TypeDome Camera
  • Mounting LocationOutdoor
  • Networking ProtocolIPv4, IPv6, TCP, UDP, DHCP, PPPoE, HTTP, HTTPS, DNS, DDNS, N
  • PortsEthernet Port: 1 x Ethernet (10/100 Base-T), RJ-45 pigtail c
  • Pan/Tilt/ZoomPan: 0°-355°, Tilt: 0°-75°, Rotation: 0°-355°

Model A820

  • 4MP resolution captures fine detail at 2688 x 1520
  • 5x optical zoom brings distant subjects closer
  • Deep Learning AI classifies objects to reduce false alerts
  • IR LEDs illuminate up to 85m for clear night video
  • Extreme WDR 150dB balances bright and dark areas

Outdoor dome with 5x zoom and AI analytics

The ACTi A820 is a 4 MP outdoor dome camera that combines a 5x optical zoom lens with on-board Deep Learning AI for object detection and classification. It targets installers and security managers who need motorised pan, tilt and rotation plus long-range infrared illumination in a single weather-resistant housing. The camera streams up to 2688 x 1520 at 30 fps using H.265 Adaptive Stream, H.264 Adaptive Stream or MJPEG compression with simultaneous quad-stream support.

10/100 Ethernet limits bandwidth and cable reach

Video and control traffic share a single 10/100 Base-T port on an RJ-45 pigtail, capping throughput at 100 Mbps and restricting PoE power to Class 3 levels. The 100-metre twisted-pair limit applies unless intermediate switches or fibre converters are deployed, and the 12.5 W PoE draw leaves minimal headroom for additional powered devices on the same switch port. IPv4, IPv6 and a full suite of management protocols are supported, but multi-gigabit uplinks are not available.

Vandal-style housing with fixed pigtail connector

The dome enclosure is built for outdoor mounting and carries an IR LED array rated to 85 m, while Extreme WDR at 150 dB handles high-contrast scenes down to 0.003 lux colour sensitivity. Pan covers 0°-355°, tilt 0°-75° and rotation 0°-355°, allowing flexible aiming after installation. The RJ-45 pigtail requires a weatherproof junction box or gland for cable entry, and two-way audio via line-in and line-out uses PCM, G.711 or G.726 codecs. IEEE 802.1X and TLS 1.2 secure the network interface.

Punti di forza

  • 4MP resolution captures fine detail at 2688 x 1520
  • 5x optical zoom brings distant subjects closer
  • Deep Learning AI classifies objects to reduce false alerts
  • IR LEDs illuminate up to 85m for clear night video
  • Extreme WDR 150dB balances bright and dark areas

Caratteristiche tecniche

BrandACTi
ModelA820
Part NumberA820
Network CameraYes
TypeDome Camera
Mounting LocationOutdoor
Networking ProtocolIPv4, IPv6, TCP, UDP, DHCP, PPPoE, HTTP, HTTPS, DNS, DDNS, NTP, RTP, RTSP, RTCP, SMTP, FTP, SFTP, IGMP, ICMP, ARP, UPnP, Bonjour, QoS, SNMP, IEEE 802.1X
PortsEthernet Port:
1 x Ethernet (10/100 Base-T), RJ-45 pigtail connector
Pan/Tilt/ZoomPan: 0°-355°, Tilt: 0°-75°, Rotation: 0°-355°
Sensor & DetectorCMOS
HD Resolution4 MP
MAX Resolution2688 x 1520
Video Capture ResolutionVIDEO
Compression:
H.265 Adaptive Stream (equivalent to Zip or Smart Stream or H.265+), H.264 Adaptive Stream (equivalent to Zip or Smart Stream or H.264+), MJPEG
Maximum Frame Rate vs. Resolution:
- 30 fps at 2688 x 1520
- 30 fps at 2560 x 1440
- 30 fps at 1920 x 1080
- 30 fps at 1280 x 960
- 30 fps at 1280 x 720
- 30 fps at 640 x 480
- 30 fps at 352 x 240
Bit Rate Mode:
Constant, Variable
Multi-Streaming:
Simultaneous quad streams
Digital Noise Reduction:
2D + 3D DNR
Wide Dynamic Range:
Extreme WDR (150 dB)
Image Orientation:
Flip, Mirror, Rotation (Corridor mode) (90°, 180°, 270°)
Lens TypeFixed Focal Lens
Optical Zoom5x Optical Zoom
SecurityIP address filtering, HTTPS encryption, TLS 1.2 encrypted communication, Password protected user level, Anonymous login, IEEE 802.1X network access control, Standard IoT Security (anti-hacking, anti-malware)
Night VisionYes
AudioAudio Type:
2-way, Line-in, Line-out
Audio Compression:
PCM, G.711, G.726
Power over EthernetYes
PowerPower Source:
DC 12V, PoE Class 3 (IEEE802.3af)
Power Consumption:
12.5 W (PoE)
Dimension(Ø x H): 141mm x 99.5mm (5.55" x 3.9")
FeaturesDETECTION RANGE
Observation Range:
- Detection: 64m-200m
- Observation: 25.4m-79.4m
- Recognition: 12.8m-40m
- Identification: 6.4m-20m
EVENT
Event Trigger:
Video motion detection (4 polygonal regions with up to 10 vertices), External device through digital input, Intelligent event detection, Sound detection, Video streams loss, System log buffer overrun, Remove system log, Logon events (Login Failure, Login Success, Block an Account)
Event Response:
Notify control center, Change camera settings, Command other devices, E-mail notification with snapshots, Play alert sound, Push notifi
Peso di spedizione1.86 kg
Dimensioni del pacco305 × 305 × 305 mm

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Domande su questo articolo

How do I decide between the 2688 x 1520 and 1920 x 1080 resolution settings on this A820?

Both run at 30 fps; choose 2688 x 1520 for maximum detail across the 5x zoom range or drop to 1920 x 1080 to halve storage and bandwidth while keeping full frame rate.

What does the 150 dB WDR figure mean when the camera faces a bright doorway?

Extreme WDR at 150 dB captures detail simultaneously in deep shadow and direct sunlight, so faces remain visible when someone steps from a dark street into a lit entrance.

Will the 10/100 Ethernet port limit the 4 MP H.265 stream in practice?

The 100 Mbps link caps total throughput; with quad-stream H.265 at 30 fps the combined bit-rate stays well below that ceiling, so the port does not throttle the 4 MP feed.

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