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Product comparison · 2 video intercom systems

Dahua Technology KTW02 video intercom system vs Dahua Technology VTO6521K video intercom system

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  • 51specifications compared
  • 17differ
  • 34identical
  • 16known for one product only

Key differences

The Dahua Technology KTW02 video intercom system has 23.6° more viewing angle, horizontal than the Dahua Technology VTO6521K video intercom system (110° vs 86.4°). The Dahua Technology KTW02 video intercom system has 15.8° more viewing angle, vertical than the Dahua Technology VTO6521K video intercom system (62° vs 46.2°). The Dahua Technology KTW02 video intercom system has 21 V more AC adapter output voltage than the Dahua Technology VTO6521K 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 VTO6521K video intercom system.

  • Connectivity technology
    • Wired & Wireless
    • Wired
  • Display diagonal
    • 17.8 cm (7")
    • 10.9 cm (4.3")
  • Display technology
    • TFT
    • LCD
  • Display resolution
    • 1024 x 600 pixels
    • 800 x 480 pixels
  • Touchscreen
    • Yes
    • No
  • Video formats supported
    • H.264, H.265
    • H.264
  • Viewing angle, horizontal
    • 110°
    • 86.4°
  • Viewing angle, vertical
    • 62°
    • 46.2°

Side by side

Differences highlightedShow differences only
67 specifications
A

Dahua Technology

KTW02 video intercom system

Model KTW02

View product
B

Dahua Technology

VTO6521K video intercom system

Model VTO6521K

View product
Features1 differ
Connectivity technologyDiffersWired & WirelessWired
ColourNoNo
Maximum number of cameras supported11
SpeakerphoneYesYes
RFID readerYesYes
Fingerprint readerYesYes
Automatic gain controlYesYes
Built-in microphoneYesYes
Door station controlYesYes
Motion detection functionYesYes
VoIP protocolsRTSP, DNS, P2P, UPnP, RTP, RTMP, SIP, SSH, HTTP/HTTPS, ONVIFRTSP, DNS, P2P, UPnP, RTP, RTMP, SIP, SSH, HTTP/HTTPS, ONVIF
Wall mountableYesYes
Display5 differ
Display diagonalDiffers17.8 cm (7")10.9 cm (4.3")
Display technologyDiffersTFTLCD
Display resolutionDiffers1024 x 600 pixels800 x 480 pixels
TouchscreenDiffersYesNo
Video formats supportedDiffersH.264, H.265H.264
Night visionidentical
Night visionKnown for oneYes
LED typeKnown for oneIR
Camera2 differ
Megapixel (approx.)2 MP2 MP
Supported video modes720p, 1080p720p, 1080p
Sensor typeCMOSCMOS
Optical sensor size25.4 / 2.8 mm (1 / 2.8")25.4 / 2.8 mm (1 / 2.8")
Maximum frame rate30 fps30 fps
Viewing angle, horizontalDiffers110°86.4°
Viewing angle, verticalDiffers62°46.2°
Audioidentical
Built-in speaker(s)YesYes
Noise-cancelingYesYes
Voice codecsG.711a, G.711u, PCMG.711a, G.711u, PCM
Design3 differ
Product colourDiffersLight greyStainless steel
International Protection (IP) codeIP65IP65
Control typeDiffersTouchButtons
Housing materialDiffersAcrylonitrile butadiene styrene (ABS), Polycarbonate (PC)Stainless steel
Placement supportedVerticalVertical
Proper useOutdoorOutdoor
IK codeKnown for oneIK08
Storageidentical
Memory card slotKnown for oneYes
Compatible memory cardsKnown for oneMicroSD (TransFlash), SD
Maximum memory card sizeKnown for one256 GB
Networkidentical
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 protocolsRTSP, DNS, P2P, UPnP, RTP, RTMP, SIP, SSH, HTTP/HTTPS, ONVIFRTSP, DNS, P2P, UPnP, RTP, RTMP, SIP, SSH, HTTP/HTTPS, ONVIF
Power5 differ
Outdoor unit power typeDiffersDC/PoEDC
AC adapter output voltageDiffers33 V12 V
AC adapter output currentDiffers1 A2 A
Power consumption (typical)Differs6 W18 W
Power consumption (standby)Differs3.5 W5 W
Power consumptionKnown for one200 mA
Operational conditions1 differ
Operating relative humidity (H-H)10 - 90%10 - 90%
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 one143 mm
DepthKnown for one54 mm
HeightKnown for one406 mm
Packaging dataidentical
Indoor unit includedKnown for oneYes
Outdoor unit includedYesYes
Package weightKnown for one2.05 kg
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 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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