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Product comparison · 2 video intercom systems

Dahua Technology VTO3211D-P2 video intercom system vs Dahua Technology VTO6521K video intercom system

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  • 26specifications compared
  • 7differ
  • 19identical
  • 38known for one product only

Key differences

The Dahua Technology VTO3211D-P2 video intercom system has 53.6° more viewing angle, horizontal than the Dahua Technology VTO6521K video intercom system (140° vs 86.4°). The Dahua Technology VTO6521K video intercom system has 42 mm more width than the Dahua Technology VTO3211D-P2 video intercom system (143 mm vs 101 mm). The Dahua Technology VTO6521K video intercom system has 24 mm more depth than the Dahua Technology VTO3211D-P2 video intercom system (54 mm vs 30 mm). Voice codecs: G.711 on the Dahua Technology VTO3211D-P2 video intercom system, G.711a, G.711u, PCM on the Dahua Technology VTO6521K video intercom system. Product colour: Black, Grey on the Dahua Technology VTO3211D-P2 video intercom system, Stainless steel on the Dahua Technology VTO6521K video intercom system.

  • Viewing angle, horizontal
    • 140°
    • 86.4°
  • Voice codecs
    • G.711
    • G.711a, G.711u, PCM
  • Product colour
    • Black, Grey
    • Stainless steel
  • Width
    • 101 mm
    • 143 mm
  • Depth
    • 30 mm
    • 54 mm
  • Height
    • 182 mm
    • 406 mm

Side by side

Differences highlightedShow differences only
64 specifications
A

Dahua Technology

VTO3211D-P2 video intercom system

Model VTO3211D-P2

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B

Dahua Technology

VTO6521K video intercom system

Model VTO6521K

View product
Featuresidentical
Connectivity technologyWiredWired
ColourKnown for oneNo
Maximum number of cameras supportedKnown for one1
SpeakerphoneYesYes
RFID readerKnown for oneYes
Fingerprint readerKnown for oneYes
Automatic gain controlKnown for oneYes
Built-in microphoneYesYes
Door station controlKnown for oneYes
Motion detection functionKnown for oneYes
VoIP protocolsKnown for oneRTSP, DNS, P2P, UPnP, RTP, RTMP, SIP, SSH, HTTP/HTTPS, ONVIF
Wall mountableYesYes
Number of buttonsKnown for one2 buttons
Displayidentical
Display diagonalKnown for one10.9 cm (4.3")
Display technologyKnown for oneLCD
Display resolutionKnown for one800 x 480 pixels
TouchscreenKnown for oneNo
Video formats supportedKnown for oneH.264
Camera1 differ
Megapixel (approx.)2 MP2 MP
Supported video modesKnown for one720p, 1080p
Sensor typeCMOSCMOS
Optical sensor size25.4 / 2.8 mm (1 / 2.8")25.4 / 2.8 mm (1 / 2.8")
Maximum frame rateKnown for one30 fps
Viewing angle, horizontalDiffers140°86.4°
Viewing angle, verticalKnown for one46.2°
Audio1 differ
Built-in speaker(s)YesYes
Noise-cancelingKnown for oneYes
Voice codecsDiffersG.711G.711a, G.711u, PCM
Design1 differ
Product colourDiffersBlack, GreyStainless steel
IK codeIK08IK08
International Protection (IP) codeIP65IP65
Control typeKnown for oneButtons
Housing materialKnown for oneStainless steel
Placement supportedVerticalVertical
Proper useOutdoorOutdoor
Outdoor unit housing materialKnown for oneAluminium
Network1 differ
Ethernet interface typeFast EthernetFast Ethernet
Ethernet LAN data rates10,100 Mbit/s10,100 Mbit/s
Ethernet LAN (RJ-45) portsKnown for one1
Cabling technologyKnown for one10/100Base-T(X)
Power over Ethernet (PoE)YesYes
Supported network protocolsDiffersTCP/IPRTSP, DNS, P2P, UPnP, RTP, RTMP, SIP, SSH, HTTP/HTTPS, ONVIF
Softwareidentical
Operating system installedLinuxLinux
Poweridentical
Outdoor unit power typeDCDC
AC adapter output voltageKnown for one12 V
AC adapter output currentKnown for one2 A
Power consumptionKnown for one200 mA
Power consumption (typical)Known for one18 W
Power consumption (standby)Known for one5 W
Operational conditionsidentical
Operating relative humidity (H-H)10 - 90%10 - 90%
Operating temperature (T-T)Known for one-30 - 60 °C
Door station operating temperature (T-T)Known for one-40 - 60 °C
Weight & dimensions3 differ
WidthDiffers101 mm143 mm
DepthDiffers30 mm54 mm
HeightDiffers182 mm406 mm
WeightKnown for one800 g
Packaging dataidentical
Outdoor unit includedYesYes
Package weightKnown for one2.05 kg
Indoor unit includedKnown for oneNo
Logistics dataidentical
Quantity per packKnown for one1 pc(s)
Minimum order quantityKnown for one1 pc(s)
Technical detailsidentical
Compliance certificatesKnown for oneCE, Federal Communications Commission (FCC)
Sustainability complianceKnown for oneYes
Night visionidentical
Night visionKnown for oneYes

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.

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