Product comparison · 2 video intercom systems

Dahua Technology KTW02 video intercom system vs Dahua Technology VTO3221E-P video intercom system

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  • 46specifications compared
  • 20differ
  • 26identical
  • 21known for one product only

Key differences

The Dahua Technology VTO3221E-P video intercom system has 30° more viewing angle, horizontal than the Dahua Technology KTW02 video intercom system (140° vs 110°). The Dahua Technology VTO3221E-P video intercom system has 20° more viewing angle, vertical than the Dahua Technology KTW02 video intercom system (82° vs 62°). The Dahua Technology KTW02 video intercom system has 21 V more AC adapter output voltage than the Dahua Technology VTO3221E-P video intercom system (33 V vs 12 V). Only the Dahua Technology KTW02 video intercom system has touchscreen. Connectivity technology: Wired & Wireless on the Dahua Technology KTW02 video intercom system, Wired on the Dahua Technology VTO3221E-P video intercom system.

  • Connectivity technology
    • KTW02 video intercom system:Wired & Wireless
    • VTO3221E-P video intercom system:Wired
  • Display diagonal
    • KTW02 video intercom system:17.8 cm (7")
    • VTO3221E-P video intercom system:5.84 cm (2.3")
  • Display technology
    • KTW02 video intercom system:TFT
    • VTO3221E-P video intercom system:OLED
  • Touchscreen
    • KTW02 video intercom system:Yes
    • VTO3221E-P video intercom system:No
  • Video formats supported
    • KTW02 video intercom system:H.264, H.265
    • VTO3221E-P video intercom system:H.264
  • Optical sensor size
    • KTW02 video intercom system:25.4 / 2.8 mm (1 / 2.8")
    • VTO3221E-P video intercom system:25.4 / 2.9 mm (1 / 2.9")
  • Viewing angle, horizontal
    • KTW02 video intercom system:110°
    • VTO3221E-P video intercom system:140°
  • Viewing angle, vertical
    • KTW02 video intercom system:62°
    • VTO3221E-P video intercom system:82°

Side by side

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Comparison of KTW02, VTO3221E-P
67 specifications
A

Dahua Technology

KTW02 video intercom system

Model KTW02

View product
B

Dahua Technology

VTO3221E-P video intercom system

Model VTO3221E-P

View product
Features2 differ
Connectivity technologyDiffersWired & WirelessWired
ColourNoNo
Maximum number of cameras supported11
SpeakerphoneYesYes
RFID readerYesYes
Fingerprint readerKnown for oneYesUnknown — not stated by the source
Automatic gain controlYesYes
Built-in microphoneYesYes
Door station controlYesYes
Motion detection functionYesYes
VoIP protocolsDiffersRTSP, DNS, P2P, UPnP, RTP, RTMP, SIP, SSH, HTTP/HTTPS, ONVIFTCP/IP
Wall mountableYesYes
Display4 differ
Display diagonalDiffers17.8 cm (7")5.84 cm (2.3")
Display technologyDiffersTFTOLED
Display resolutionKnown for one1024 x 600 pixelsUnknown — not stated by the source
TouchscreenDiffersYesNo
Video formats supportedDiffersH.264, H.265H.264
Night visionidentical
Night visionYesYes
LED typeKnown for oneIRUnknown — not stated by the source
Camera3 differ
Megapixel (approx.)2 MP2 MP
Supported video modesKnown for one720p, 1080pUnknown — not stated by the source
Sensor typeCMOSCMOS
Optical sensor sizeDiffers25.4 / 2.8 mm (1 / 2.8")25.4 / 2.9 mm (1 / 2.9")
Maximum frame rateKnown for one30 fpsUnknown — not stated by the source
Viewing angle, horizontalDiffers110°140°
Viewing angle, verticalDiffers62°82°
Audio1 differ
Built-in speaker(s)YesYes
Noise-cancelingYesYes
Voice codecsDiffersG.711a, G.711u, PCMG.711
Design3 differ
Product colourDiffersLight greyAluminium
International Protection (IP) codeIP65IP65
Control typeDiffersTouchButtons
Housing materialDiffersAcrylonitrile butadiene styrene (ABS), Polycarbonate (PC)Aluminium
Placement supportedVerticalVertical
Proper useOutdoorOutdoor
IK codeKnown for oneUnknown — not stated by the sourceIK08
Storageidentical
Memory card slotKnown for oneYesUnknown — not stated by the source
Compatible memory cardsKnown for oneMicroSD (TransFlash), SDUnknown — not stated by the source
Maximum memory card sizeKnown for one256 GBUnknown — not stated by the source
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 oneYesUnknown — not stated by the source
Wi-Fi standardsKnown for one802.11b, 802.11g, Wi-Fi 4 (802.11n)Unknown — not stated by the source
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, ONVIFTCP/IP
Networking standardsKnown for oneUnknown — not stated by the sourceIEEE 802.3af
Power5 differ
Outdoor unit power typeDiffersDC/PoEDC
AC adapter output voltageDiffers33 V12 V
AC adapter output currentDiffers1 A2 A
Power consumption (typical)Differs6 W7 W
Power consumption (standby)Differs3.5 W2 W
Operational conditions1 differ
Operating relative humidity (H-H)Differs10 - 90%20 - 95%
Operating temperature (T-T)-40 - 60 °C-40 - 60 °C
Weight & dimensionsidentical
Door station dimensions (WxDxH)Known for one160 x 50 x 30 mmUnknown — not stated by the source
WidthKnown for oneUnknown — not stated by the source98 mm
DepthKnown for oneUnknown — not stated by the source32 mm
HeightKnown for oneUnknown — not stated by the source200 mm
WeightKnown for oneUnknown — not stated by the source1.5 kg
Packaging dataidentical
Indoor unit includedKnown for oneYesUnknown — not stated by the source
Outdoor unit includedYesYes
Logistics dataidentical
Quantity per pack1 pc(s)1 pc(s)
Minimum order quantity1 pc(s)1 pc(s)
Technical detailsidentical
Compliance certificatesKnown for oneCE, Federal Communications Commission (FCC)Unknown — not stated by the source
Sustainability complianceKnown for oneYesUnknown — not stated by the source
Softwareidentical
Operating system installedKnown for oneUnknown — not stated by the sourceLinux

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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