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Product comparison · 2 video intercom systems

Dahua Technology VTO3211D-P2 video intercom system vs Dahua Technology VTO6521F video intercom system

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  • 27specifications compared
  • 10differ
  • 17identical
  • 38known for one product only

Key differences

The Dahua Technology VTO3211D-P2 video intercom system has 26.21° more viewing angle, horizontal than the Dahua Technology VTO6521F video intercom system (140° vs 113.79°). The Dahua Technology VTO6521F video intercom system has 44 mm more width than the Dahua Technology VTO3211D-P2 video intercom system (145 mm vs 101 mm). The Dahua Technology VTO6521F video intercom system has 11.9 mm more depth than the Dahua Technology VTO3211D-P2 video intercom system (41.9 mm vs 30 mm). Optical sensor size: 25.4 / 2.8 mm (1 / 2.8") on the Dahua Technology VTO3211D-P2 video intercom system, 25.4 / 2.7 mm (1 / 2.7") on the Dahua Technology VTO6521F video intercom system. Voice codecs: G.711 on the Dahua Technology VTO3211D-P2 video intercom system, G.711u on the Dahua Technology VTO6521F video intercom system.

  • Optical sensor size
    • 25.4 / 2.8 mm (1 / 2.8")
    • 25.4 / 2.7 mm (1 / 2.7")
  • Viewing angle, horizontal
    • 140°
    • 113.79°
  • Voice codecs
    • G.711
    • G.711u
  • Product colour
    • Black, Grey
    • Silver
  • IK code
    • IK08
    • IK07
  • Width
    • 101 mm
    • 145 mm
  • Depth
    • 30 mm
    • 41.9 mm
  • Height
    • 182 mm
    • 389 mm

Side by side

Differences highlightedShow differences only
65 specifications
A

Dahua Technology

VTO3211D-P2 video intercom system

Model VTO3211D-P2

View product
B

Dahua Technology

VTO6521F video intercom system

Model VTO6521F

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Featuresidentical
Connectivity technologyWiredWired
Number of displays supportedKnown for one1
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 oneSIP, P2P, IPv4, FTP, UPnP, DNS, DDNS, RTSP, RTP, TCP, UDP
Wall mountableYesYes
Number of buttonsKnown for one2 buttons
Displayidentical
Display diagonalKnown for one10.9 cm (4.3")
Display technologyKnown for oneIPS
Display resolutionKnown for one800 x 480 pixels
Video formats supportedKnown for oneH.264
Camera2 differ
Megapixel (approx.)2 MP2 MP
Supported video modesKnown for one720p, 1080p
Sensor typeCMOSCMOS
Optical sensor sizeDiffers25.4 / 2.8 mm (1 / 2.8")25.4 / 2.7 mm (1 / 2.7")
Maximum frame rateKnown for one30 fps
Viewing angle, horizontalDiffers140°113.79°
Viewing angle, verticalKnown for one61.5°
Audio1 differ
Built-in speaker(s)YesYes
Noise-cancelingKnown for oneYes
Voice codecsDiffersG.711G.711u
Design2 differ
Product colourDiffersBlack, GreySilver
IK codeDiffersIK08IK07
International Protection (IP) codeIP65IP65
Control typeKnown for oneButtons
Housing materialKnown for oneAluminium
Placement supportedVerticalVertical
Proper useOutdoorOutdoor
Outdoor unit housing materialKnown for oneAluminium
Storageidentical
Memory card slotKnown for oneYes
Maximum memory card sizeKnown for one4 GB
Included memory card sizeKnown for one1 GB
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/IPSIP, P2P, IPv4, FTP, UPnP, DNS, DDNS, RTSP, RTP, TCP, UDP
Softwareidentical
Operating system installedLinuxLinux
Poweridentical
Outdoor unit power typeDCDC
AC adapter output voltageKnown for one12 V
AC adapter output currentKnown for one2 A
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 & dimensions4 differ
WidthDiffers101 mm145 mm
DepthDiffers30 mm41.9 mm
HeightDiffers182 mm389 mm
WeightDiffers800 g1.4 kg
Packaging dataidentical
Outdoor unit includedYesYes
Package weightKnown for one1.68 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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