Product comparison · 2 video intercom systems

Dahua Technology VTO3211D-P-S1 video intercom system vs Dahua Technology VTO6521K video intercom system

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  • 31specifications compared
  • 10differ
  • 21identical
  • 34known for one product only

Key differences

The Dahua Technology VTO3211D-P-S1 video intercom system has 47.6° more viewing angle, horizontal than the Dahua Technology VTO6521K video intercom system (134° vs 86.4°). The Dahua Technology VTO3211D-P-S1 video intercom system has 48.6° more viewing angle, vertical than the Dahua Technology VTO6521K video intercom system (94.8° vs 46.2°). The Dahua Technology VTO6521K video intercom system has 12 W more power consumption (typical) than the Dahua Technology VTO3211D-P-S1 video intercom system (18 W vs 6 W). Only the Dahua Technology VTO3211D-P-S1 video intercom system has colour. Voice codecs: G.711 on the Dahua Technology VTO3211D-P-S1 video intercom system, G.711a, G.711u, PCM on the Dahua Technology VTO6521K video intercom system.

  • Colour
    • VTO3211D-P-S1 video intercom system:Yes
    • VTO6521K video intercom system:No
  • Viewing angle, horizontal
    • VTO3211D-P-S1 video intercom system:134°
    • VTO6521K video intercom system:86.4°
  • Viewing angle, vertical
    • VTO3211D-P-S1 video intercom system:94.8°
    • VTO6521K video intercom system:46.2°
  • Voice codecs
    • VTO3211D-P-S1 video intercom system:G.711
    • VTO6521K video intercom system:G.711a, G.711u, PCM
  • Product colour
    • VTO3211D-P-S1 video intercom system:Grey
    • VTO6521K video intercom system:Stainless steel
  • Power consumption (typical)
    • VTO3211D-P-S1 video intercom system:6 W
    • VTO6521K video intercom system:18 W
  • Width
    • VTO3211D-P-S1 video intercom system:101 mm
    • VTO6521K video intercom system:143 mm
  • Depth
    • VTO3211D-P-S1 video intercom system:30 mm
    • VTO6521K video intercom system:54 mm

Side by side

Differences highlightedShow differences only (on)
Comparison of VTO3211D-P-S1, VTO6521K
65 specifications
A

Dahua Technology

VTO3211D-P-S1 video intercom system

Model VTO3211D-P-S1

View product
B

Dahua Technology

VTO6521K video intercom system

Model VTO6521K

View product
Features1 differ
ColourDiffersYesNo
Maximum number of cameras supportedKnown for oneUnknown — not stated by the source1
Fingerprint readerKnown for oneUnknown — not stated by the sourceYes
Automatic gain controlKnown for oneUnknown — not stated by the sourceYes
Door station controlKnown for oneUnknown — not stated by the sourceYes
Motion detection functionKnown for oneUnknown — not stated by the sourceYes
VoIP protocolsKnown for oneUnknown — not stated by the sourceRTSP, DNS, P2P, UPnP, RTP, RTMP, SIP, SSH, HTTP/HTTPS, ONVIF
Number of buttonsKnown for one1 buttonsUnknown — not stated by the source
Video codecsKnown for oneH.264Unknown — not stated by the source
Displayidentical
Display diagonalKnown for oneUnknown — not stated by the source10.9 cm (4.3")
Display technologyKnown for oneUnknown — not stated by the sourceLCD
Display resolutionKnown for oneUnknown — not stated by the source800 x 480 pixels
TouchscreenKnown for oneUnknown — not stated by the sourceNo
Video formats supportedKnown for oneUnknown — not stated by the sourceH.264
Camera2 differ
Supported video modesKnown for oneUnknown — not stated by the source720p, 1080p
Maximum frame rateKnown for oneUnknown — not stated by the source30 fps
Viewing angle, horizontalDiffers134°86.4°
Viewing angle, verticalDiffers94.8°46.2°
Field of view (FOV) angleKnown for one151°Unknown — not stated by the source
Audio1 differ
Noise-cancelingKnown for oneUnknown — not stated by the sourceYes
Voice codecsDiffersG.711G.711a, G.711u, PCM
Design1 differ
Product colourDiffersGreyStainless steel
Housing materialKnown for oneUnknown — not stated by the sourceStainless steel
Placement supportedKnown for oneUnknown — not stated by the sourceVertical
Outdoor unit housing materialKnown for oneZinc alloyUnknown — not stated by the source
Network1 differ
Ethernet LAN (RJ-45) portsKnown for oneUnknown — not stated by the source1
Supported network protocolsDiffersTCP/IPRTSP, DNS, P2P, UPnP, RTP, RTMP, SIP, SSH, HTTP/HTTPS, ONVIF
Softwareidentical
Operating system installedKnown for oneUnknown — not stated by the sourceLinux
Power1 differ
AC adapter output voltageKnown for oneUnknown — not stated by the source12 V
AC adapter output currentKnown for oneUnknown — not stated by the source2 A
Power consumptionKnown for oneUnknown — not stated by the source200 mA
Power consumption (typical)Differs6 W18 W
Power consumption (standby)Known for oneUnknown — not stated by the source5 W
Weight & dimensions3 differ
WidthDiffers101 mm143 mm
DepthDiffers30 mm54 mm
HeightDiffers182 mm406 mm
WeightKnown for one800 gUnknown — not stated by the source
Packaging dataidentical
Package weightKnown for oneUnknown — not stated by the source2.05 kg
Indoor unit includedKnown for oneNoUnknown — not stated by the source
Logistics dataidentical
Quantity per packKnown for oneUnknown — not stated by the source1 pc(s)
Minimum order quantityKnown for oneUnknown — not stated by the source1 pc(s)
Technical detailsidentical
Compliance certificatesKnown for oneUnknown — not stated by the sourceCE, Federal Communications Commission (FCC)
Sustainability complianceKnown for oneUnknown — not stated by the sourceYes
Night visionidentical
Night visionKnown for oneYesUnknown — not stated by the source

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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