Brand originChina
Discontinued
Discontinued
Dahua VTO3211D-P1/P2/P4-S2
Category
Intercom
First seen by Awernica
Oct 2026
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Software Support
Not specified
No published date
Replacement
Not specified
No verified replacement
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Specifications
From the manufacturer's product information.
System
- Main Processor
- Embedded processor
- Operating System
- Embedded Linux operating system
- Button Type
- Mechanical
- Interoperability
- ONVIF
- Network Protocol
- SIP; P2P; IPv4; DNS; RTSP; RTP; TCP; UDP
Baisc
- Camera
- 1/2.8" 2MP CMOS high definition, low illumination/WDR/color/IR
- Angle of View
- Horizontal: 129°; vertical: 74°; diagonal: 147°
- WDR
- 120dB
- Noise Reduction
- 3D noise reduction
- Video Compression
- H.264
- Video Resolution
- Main stream: WVGA, 720P, D1; Sub stream: CIF, WVGA, QVGA, 1080P, D1
- Frame Rate
- PAL: 25 fps; NTSC: 30 fps
- Video Bit Rate
- 256K to 4M
- Light Compensation
- Auto IR
- D/N
- ICR auto switch
- Audio Compression
- G.711Mu; G.711u; PCM
- Audio Input
- 1
- Audio Output
- Built-in speaker
- Audio Mode
- Two-way audio
- Audio Enhancement
- Echo suppression and cancellation/digital noise reduction
- Audio Bit Rate
- 16KHz, 16Bit
Function
- Communication
- Full digital
- Unlock Mode
- Card/App/indoor monitor unlock
- Card Type
- IC card
- Motion Detection
- Video Motion Detection
- Auto Snapshot
- Auto snapshot can only be enabled on indoor monitors
- Leave Photos and Messages
- Yes (Insert an SD card into the indoor monitor.)
- Web Configuration
- Yes
Performance
- Card Reading Distance
- 3cm–5cm
- Casing
- PC+Aluminum alloy, metal frame
Capacity
- Card Capacity
- 10,000
Port
- RS-485
- 1
- Electric Lock
- 1
- Alarm Input
- 1
- Alarm Output
- 1
- Exit Button
- 1
- Door Status Detection
- 1
- Lock Control
- 1, normally closed by default
- Network
- 1 10Mbps/100Mbps network port; (8-core white ribbon cable)
Alarm
- Tamper Alarm
- Yes
General
- Color
- Greyish-black
- Power Supply
- 12V DC 1A; Standard PoE
- Installation
- Surface mount
- Certifications
- CE/FCC
- Accessory
- Alarm ribbon cable
- Dimensions
- 181 mm×101 mm×31 mm (7.13" × 3.98" × 1.22")
- Protection Grade
- IP65; (silicone sealant is needed, see the quick start guide); IK08
- Operating Temperature
- –30°C to + 60°C (–22°F to +140°F)
- Operating Humidity
- 10%RH–95%RH (non-condensing)
- Operating Environment
- Outdoor
- Operating Altitude
- Beneath 3000 m (9842.51 ft)
- Power Consumption
- Standby≤1W, working≤7W
- Gross Weight
- 660 g (5.51 lb)
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