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Product comparison · 2 video intercom systems

Dahua Technology KTW02 video intercom system vs Dahua Technology VTO3211D-P1-S2 video intercom system

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  • 44specifications compared
  • 16differ
  • 28identical
  • 26known for one product only

Key differences

The Dahua Technology VTO3211D-P1-S2 video intercom system has 19° more viewing angle, horizontal than the Dahua Technology KTW02 video intercom system (129° vs 110°). The Dahua Technology VTO3211D-P1-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 21 V more AC adapter output voltage than the Dahua Technology VTO3211D-P1-S2 video intercom system (33 V vs 12 V). Connectivity technology: Wired & Wireless on the Dahua Technology KTW02 video intercom system, Wired on the Dahua Technology VTO3211D-P1-S2 video intercom system. Video formats supported: H.264, H.265 on the Dahua Technology KTW02 video intercom system, H.264 on the Dahua Technology VTO3211D-P1-S2 video intercom system.

  • Connectivity technology
    • Wired & Wireless
    • Wired
  • Video formats supported
    • H.264, H.265
    • H.264
  • Viewing angle, horizontal
    • 110°
    • 129°
  • Viewing angle, vertical
    • 62°
    • 74°
  • Voice codecs
    • G.711a, G.711u, PCM
    • G.711Mu, G.711u, PCM
  • Product colour
    • Light grey
    • Black, Grey
  • Control type
    • Touch
    • Buttons
  • Outdoor unit power type
    • DC/PoE
    • DC

Side by side

Differences highlightedShow differences only
70 specifications
A

Dahua Technology

KTW02 video intercom system

Model KTW02

View product
B

Dahua Technology

VTO3211D-P1-S2 video intercom system

Model VTO3211D-P1-S2

View product
Features2 differ
Connectivity technologyDiffersWired & WirelessWired
ColourNoNo
Maximum number of cameras supported11
SpeakerphoneYesYes
RFID readerYesYes
Fingerprint readerKnown for oneYes
Automatic gain controlKnown for oneYes
Built-in microphoneYesYes
Door station controlKnown for oneYes
Motion detection functionYesYes
VoIP protocolsDiffersRTSP, DNS, P2P, UPnP, RTP, RTMP, SIP, SSH, HTTP/HTTPS, ONVIFSIP, P2P, IPv4, FTP, UPnP, DNS, DDNS, RTSP, RTP, TCP, UDP
Wall mountableYesYes
Echo cancellationKnown for oneYes
Number of buttonsKnown for one2 buttons
Display1 differ
Display diagonalKnown for one17.8 cm (7")
Display technologyKnown for oneTFT
Display resolutionKnown for one1024 x 600 pixels
TouchscreenKnown for oneYes
Video formats supportedDiffersH.264, H.265H.264
Night visionidentical
Night visionYesYes
LED typeIRIR
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, horizontalDiffers110°129°
Viewing angle, verticalDiffers62°74°
Field of view (FOV) angleKnown for one147°
Audio1 differ
Built-in speaker(s)YesYes
Noise-cancelingKnown for oneYes
Voice codecsDiffersG.711a, G.711u, PCMG.711Mu, G.711u, PCM
Design3 differ
Product colourDiffersLight greyBlack, Grey
International Protection (IP) codeIP65IP65
Control typeDiffersTouchButtons
Housing materialDiffersAcrylonitrile butadiene styrene (ABS), Polycarbonate (PC)Aluminium, Metal, 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) ports11
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 protocolsDiffersRTSP, DNS, P2P, UPnP, RTP, RTMP, SIP, SSH, HTTP/HTTPS, ONVIFSIP, P2P, IPv4, FTP, UPnP, DNS, DDNS, RTSP, RTP, TCP, UDP
Power4 differ
Outdoor unit power typeDiffersDC/PoEDC
AC adapter output voltageDiffers33 V12 V
AC adapter output current1 A1 A
Power consumption (typical)Differs6 W7 W
Power consumption (standby)Differs3.5 W1 W
Operational conditions2 differ
Operating relative humidity (H-H)Differs10 - 90%10 - 95%
Operating temperature (T-T)Differs-40 - 60 °C-30 - 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 one660 g
Packaging dataidentical
Indoor unit includedYesYes
Outdoor unit includedYesYes
Logistics dataidentical
Quantity per pack1 pc(s)1 pc(s)
Minimum order quantity1 pc(s)1 pc(s)
Technical detailsidentical
Compliance certificatesCE, Federal Communications Commission (FCC)CE, Federal Communications Commission (FCC)
Sustainability complianceYesYes
Softwareidentical
Operating system installedKnown for oneEmbedded LINUX

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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