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Product comparison · 2 video intercom systems

Dahua Technology DHI-VTO3211D-P2-S2 video intercom system vs Dahua Technology KTW02 video intercom system

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  • 30specifications compared
  • 12differ
  • 18identical
  • 42known for one product only

Key differences

The Dahua Technology DHI-VTO3211D-P2-S2 video intercom system has 19° more viewing angle, horizontal than the Dahua Technology KTW02 video intercom system (129° vs 110°). The Dahua Technology DHI-VTO3211D-P2-S2 video intercom system has 12° more viewing angle, vertical than the Dahua Technology KTW02 video intercom system (74° vs 62°). The Dahua Technology KTW02 video intercom system has 2.5 W more power consumption (standby) than the Dahua Technology DHI-VTO3211D-P2-S2 video intercom system (3.5 W vs 1 W). Only the Dahua Technology DHI-VTO3211D-P2-S2 video intercom system has colour. Only the Dahua Technology KTW02 video intercom system has indoor unit included.

  • Connectivity technology
    • Wired
    • Wired & Wireless
  • Colour
    • Yes
    • No
  • Viewing angle, horizontal
    • 129°
    • 110°
  • Viewing angle, vertical
    • 74°
    • 62°
  • Voice codecs
    • G.711
    • G.711a, G.711u, PCM
  • Product colour
    • Grey
    • Light grey
  • Control type
    • Buttons
    • Touch
  • Outdoor unit power type
    • DC
    • DC/PoE

Side by side

Differences highlightedShow differences only
72 specifications
A

Dahua Technology

DHI-VTO3211D-P2-S2 video intercom system

Model DHI-VTO3211D-P2-S2

View product
B

Dahua Technology

KTW02 video intercom system

Model KTW02

View product
Features2 differ
Connectivity technologyDiffersWiredWired & Wireless
ColourDiffersYesNo
Maximum number of cameras supportedKnown for one1
SpeakerphoneYesYes
RFID readerYesYes
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
Video codecsKnown for oneH.264
Displayidentical
Display diagonalKnown for one17.8 cm (7")
Display technologyKnown for oneTFT
Display resolutionKnown for one1024 x 600 pixels
TouchscreenKnown for oneYes
Video formats supportedKnown for oneH.264, H.265
Night visionidentical
Night visionYesYes
LED typeKnown for oneIR
Camera2 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, horizontalDiffers129°110°
Viewing angle, verticalDiffers74°62°
Field of view (FOV) angleKnown for one147°
Audio1 differ
Built-in speaker(s)YesYes
Noise-cancelingKnown for oneYes
Voice codecsDiffersG.711G.711a, G.711u, PCM
Design2 differ
Product colourDiffersGreyLight grey
International Protection (IP) codeIP65IP65
Control typeDiffersButtonsTouch
Housing materialKnown for oneAcrylonitrile butadiene styrene (ABS), Polycarbonate (PC)
Placement supportedVerticalVertical
Proper useOutdoorOutdoor
IK codeKnown for oneIK08
Outdoor unit housing materialKnown for oneAluminium
Storageidentical
Memory card slotKnown for oneYes
Compatible memory cardsKnown for oneMicroSD (TransFlash), SD
Maximum memory card sizeKnown for one256 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
Wi-FiKnown for oneYes
Wi-Fi standardsKnown for one802.11b, 802.11g, Wi-Fi 4 (802.11n)
Cabling technology10/100Base-T(X)10/100Base-T(X)
Power over Ethernet (PoE)YesYes
Supported network protocolsDiffersSIP; P2P; IPv4; DNS; RTSP; RTP; TCP; UDPRTSP, DNS, P2P, UPnP, RTP, RTMP, SIP, SSH, HTTP/HTTPS, ONVIF
Power2 differ
Outdoor unit power typeDiffersDCDC/PoE
AC adapter output voltageKnown for one33 V
AC adapter output currentKnown for one1 A
Power consumption (typical)Known for one6 W
Power consumption (standby)Differs1 W3.5 W
Operational conditions1 differ
Operating relative humidity (H-H)Differs10 - 95%10 - 90%
Operating temperature (T-T)-40 - 60 °C-40 - 60 °C
Weight & dimensionsidentical
Door station dimensions (WxDxH)Known for one160 x 50 x 30 mm
WidthKnown for one101 mm
DepthKnown for one31 mm
HeightKnown for one181 mm
WeightKnown for one800 g
Packaging data1 differ
Indoor unit includedDiffersNoYes
Outdoor unit includedYesYes
Package weightKnown for one660 g
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
CertificationKnown for oneCE/FCC
Softwareidentical
Operating system installedKnown for oneLinux

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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