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Product comparison · 2 video intercom systems

Dahua Technology DHI-VTO3211D-P4-S2 video intercom system vs Dahua Technology VTO6221E-P video intercom system

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  • 33specifications compared
  • 10differ
  • 23identical
  • 25known for one product only

Key differences

The Dahua Technology VTO6221E-P video intercom system has 9° more viewing angle, horizontal than the Dahua Technology DHI-VTO3211D-P4-S2 video intercom system (138° vs 129°). The Dahua Technology VTO6221E-P video intercom system has 4° more viewing angle, vertical than the Dahua Technology DHI-VTO3211D-P4-S2 video intercom system (78° vs 74°). The Dahua Technology VTO6221E-P video intercom system has 10 - 95% more operating relative humidity (H-H) than the Dahua Technology DHI-VTO3211D-P4-S2 video intercom system (20 - 95% vs 10 - 95%). Optical sensor size: 25.4 / 2.8 mm (1 / 2.8") on the Dahua Technology DHI-VTO3211D-P4-S2 video intercom system, 25.4 / 2.9 mm (1 / 2.9") on the Dahua Technology VTO6221E-P video intercom system. Product colour: Grey on the Dahua Technology DHI-VTO3211D-P4-S2 video intercom system, Aluminium on the Dahua Technology VTO6221E-P video intercom system.

  • Optical sensor size
    • 25.4 / 2.8 mm (1 / 2.8")
    • 25.4 / 2.9 mm (1 / 2.9")
  • Viewing angle, horizontal
    • 129°
    • 138°
  • Viewing angle, vertical
    • 74°
    • 78°
  • Product colour
    • Grey
    • Aluminium
  • Operating relative humidity (H-H)
    • 10 - 95%
    • 20 - 95%
  • Width
    • 101 mm
    • 98 mm
  • Depth
    • 30 mm
    • 32 mm
  • Height
    • 182 mm
    • 200 mm

Side by side

Differences highlightedShow differences only
58 specifications
A

Dahua Technology

DHI-VTO3211D-P4-S2 video intercom system

Model DHI-VTO3211D-P4-S2

View product
B

Dahua Technology

VTO6221E-P video intercom system

Model VTO6221E-P

View product
Featuresidentical
Connectivity technologyWiredWired
ColourYesYes
Number of displays supportedKnown for one1
Maximum number of cameras supportedKnown for one1
SpeakerphoneYesYes
RFID readerYesYes
Automatic gain controlKnown for oneYes
Built-in microphoneYesYes
Door station controlKnown for oneYes
Motion detection functionKnown for oneYes
VoIP protocolsKnown for oneTCP/IP
Wall mountableYesYes
Number of buttonsKnown for one4 buttons
Video codecsKnown for oneH.264
Displayidentical
Display diagonalKnown for one5.84 cm (2.3")
Display technologyKnown for oneOLED
Video formats supportedKnown for oneH.264
Night visionidentical
Night visionYesYes
Camera3 differ
Megapixel (approx.)2 MP2 MP
Sensor typeCMOSCMOS
Optical sensor sizeDiffers25.4 / 2.8 mm (1 / 2.8")25.4 / 2.9 mm (1 / 2.9")
Viewing angle, horizontalDiffers129°138°
Viewing angle, verticalDiffers74°78°
Field of view (FOV) angleKnown for one147°
Audioidentical
Built-in speaker(s)YesYes
Noise-cancelingKnown for oneYes
Voice codecsG.711G.711
Design1 differ
Product colourDiffersGreyAluminium
IK codeIK08IK08
International Protection (IP) codeIP65IP65
Control typeButtonsButtons
Housing materialKnown for oneAluminium
Placement supportedKnown for oneVertical
Proper useOutdoorOutdoor
Outdoor unit housing materialKnown for oneZinc alloy
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 technology10/100Base-T(X)10/100Base-T(X)
Power over Ethernet (PoE)YesYes
Networking standardsKnown for oneIEEE 802.3af
Supported network protocolsDiffersSIP; P2P; IPv4; DNS; RTSP; RTP; TCP; UDPTCP/IP
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 one6 W
Operational conditions1 differ
Operating relative humidity (H-H)Differs10 - 95%20 - 95%
Operating temperature (T-T)-40 - 60 °C-40 - 60 °C
Weight & dimensions4 differ
WidthDiffers101 mm98 mm
DepthDiffers30 mm32 mm
HeightDiffers182 mm200 mm
WeightDiffers800 g1.5 kg
Packaging dataidentical
Outdoor unit includedYesYes
Indoor unit includedKnown for oneYes
Package weightKnown for one660 g
Logistics dataidentical
Quantity per packKnown for one1 pc(s)
Minimum order quantityKnown for one1 pc(s)

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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