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Product comparison · 2 video intercom systems

Dahua Technology KTW02 video intercom system vs Dahua Technology VTH2421FW video intercom system

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  • 23specifications compared
  • 12differ
  • 11identical
  • 47known for one product only

Key differences

The Dahua Technology VTH2421FW video intercom system has 1 W more power consumption (typical) than the Dahua Technology KTW02 video intercom system (7 W vs 6 W). The Dahua Technology KTW02 video intercom system has 2.5 W more power consumption (standby) than the Dahua Technology VTH2421FW video intercom system (3.5 W vs 1 W). Only the Dahua Technology VTH2421FW video intercom system has colour. Only the Dahua Technology KTW02 video intercom system has outdoor unit included. Connectivity technology: Wired & Wireless on the Dahua Technology KTW02 video intercom system, Wired on the Dahua Technology VTH2421FW video intercom system.

  • Connectivity technology
    • Wired & Wireless
    • Wired
  • Colour
    • No
    • Yes
  • Display technology
    • TFT
    • LCD
  • Video formats supported
    • H.264, H.265
    • H.264
  • Voice codecs
    • G.711a, G.711u, PCM
    • G.711
  • Product colour
    • Light grey
    • Black, White
  • Placement supported
    • Vertical
    • Horizontal
  • Power consumption (typical)
    • 6 W
    • 7 W

Side by side

Differences highlightedShow differences only
70 specifications
A

Dahua Technology

KTW02 video intercom system

Model KTW02

View product
B

Dahua Technology

VTH2421FW video intercom system

Model VTH2421FW

View product
Features2 differ
Connectivity technologyDiffersWired & WirelessWired
ColourDiffersNoYes
Maximum number of cameras supportedKnown for one1
RFID readerKnown for oneYes
Fingerprint readerKnown for oneYes
Automatic gain controlKnown for oneYes
Door station controlKnown for oneYes
Motion detection functionKnown for oneYes
VoIP protocolsKnown for oneRTSP, DNS, P2P, UPnP, RTP, RTMP, SIP, SSH, HTTP/HTTPS, ONVIF
Number of displays supportedKnown for one1
Display2 differ
Display technologyDiffersTFTLCD
Video formats supportedDiffersH.264, H.265H.264
Backlight displayKnown for oneYes
Touchscreen typeKnown for oneCapacitive
Night visionidentical
Night visionKnown for oneYes
LED typeKnown for oneIR
Cameraidentical
Megapixel (approx.)Known for one2 MP
Supported video modesKnown for one720p, 1080p
Sensor typeKnown for oneCMOS
Optical sensor sizeKnown for one25.4 / 2.8 mm (1 / 2.8")
Maximum frame rateKnown for one30 fps
Viewing angle, horizontalKnown for one110°
Viewing angle, verticalKnown for one62°
Audio1 differ
Noise-cancelingKnown for oneYes
Voice codecsDiffersG.711a, G.711u, PCMG.711
Number of speakersKnown for one1
Design2 differ
Product colourDiffersLight greyBlack, White
International Protection (IP) codeKnown for oneIP65
Control typeKnown for oneTouch
Housing materialKnown for oneAcrylonitrile butadiene styrene (ABS), Polycarbonate (PC)
Placement supportedDiffersVerticalHorizontal
Proper useKnown for oneOutdoor
Storageidentical
Memory card slotKnown for oneYes
Compatible memory cardsKnown for oneMicroSD (TransFlash), SD
Maximum memory card sizeKnown for one256 GB
Network1 differ
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 technologyKnown for one10/100Base-T(X)
Power over Ethernet (PoE)Known for oneYes
Supported network protocolsDiffersRTSP, DNS, P2P, UPnP, RTP, RTMP, SIP, SSH, HTTP/HTTPS, ONVIFTCP/IP
Power2 differ
Outdoor unit power typeKnown for oneDC/PoE
AC adapter output voltageKnown for one33 V
AC adapter output currentKnown for one1 A
Power consumption (typical)Differs6 W7 W
Power consumption (standby)Differs3.5 W1 W
Indoor unit power typeKnown for oneDC
Operational conditions1 differ
Operating temperature (T-T)Differs-40 - 60 °C-10 - 55 °C
Weight & dimensionsidentical
Door station dimensions (WxDxH)Known for one160 x 50 x 30 mm
WidthKnown for one221.5 mm
DepthKnown for one21.5 mm
HeightKnown for one119.6 mm
WeightKnown for one350 g
Packaging data1 differ
Outdoor unit includedDiffersYesNo
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
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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