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Product comparison · 2 video intercom systems

Dahua Technology KTA04 video intercom system vs Dahua Technology VTH2421FB video intercom system

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  • 15specifications compared
  • 9differ
  • 6identical
  • 31known for one product only

Key differences

The Dahua Technology VTH2421FB video intercom system has 85.5 mm more width than the Dahua Technology KTA04 video intercom system (221.5 mm vs 136 mm). The Dahua Technology KTA04 video intercom system has 118.5 mm more depth than the Dahua Technology VTH2421FB video intercom system (140 mm vs 21.5 mm). The Dahua Technology VTH2421FB video intercom system has 101.3 mm more height than the Dahua Technology KTA04 video intercom system (119.6 mm vs 18.3 mm). Only the Dahua Technology KTA04 video intercom system has outdoor unit included. Display diagonal: 10.9 cm (4.3") on the Dahua Technology KTA04 video intercom system, 17.8 cm (7") on the Dahua Technology VTH2421FB video intercom system.

  • Display diagonal
    • 10.9 cm (4.3")
    • 17.8 cm (7")
  • Display technology
    • TFT
    • LCD
  • Display resolution
    • 480 x 272 pixels
    • 1024 x 600 pixels
  • Product colour
    • Silver, White
    • Black
  • Width
    • 136 mm
    • 221.5 mm
  • Depth
    • 140 mm
    • 21.5 mm
  • Height
    • 18.3 mm
    • 119.6 mm
  • Weight
    • 160 g
    • 350 g

Side by side

Differences highlightedShow differences only
46 specifications
A

Dahua Technology

KTA04 video intercom system

Model KTA04

View product
B

Dahua Technology

VTH2421FB video intercom system

Model VTH2421FB

View product
Featuresidentical
Connectivity technologyWiredWired
ColourYesYes
Number of displays supported11
Maximum number of cameras supportedKnown for one1
SpeakerphoneYesYes
Built-in microphoneKnown for oneYes
Wall mountableKnown for oneYes
Display3 differ
Display diagonalDiffers10.9 cm (4.3")17.8 cm (7")
Display technologyDiffersTFTLCD
Display resolutionDiffers480 x 272 pixels1024 x 600 pixels
Wide Dynamic Range (WDR)Known for oneYes
Backlight displayKnown for oneYes
TouchscreenKnown for oneYes
Touchscreen typeKnown for oneCapacitive
Video formats supportedKnown for oneH.264
Night visionidentical
Night visionKnown for oneYes
LED typeKnown for oneIR
Cameraidentical
Megapixel (approx.)Known for one1.3 MP
Sensor typeKnown for oneCMOS
Day/night modeKnown for oneYes
Viewing angle, horizontalKnown for one70°
Viewing angle, verticalKnown for one40°
Design1 differ
Product colourDiffersSilver, WhiteBlack
Outdoor unit housing materialKnown for onePlastic
Control typeKnown for oneButtons, Touch
LED indicatorsKnown for onePower
Placement supportedKnown for oneHorizontal
Poweridentical
Indoor unit power typeDCDC
Battery voltageKnown for one12 V
Power consumption (typical)Known for one7 W
Power consumption (standby)Known for one1 W
Operational conditionsidentical
Operating temperature (T-T)Known for one-10 - 55 °C
Weight & dimensions4 differ
WidthDiffers136 mm221.5 mm
DepthDiffers140 mm21.5 mm
HeightDiffers18.3 mm119.6 mm
WeightDiffers160 g350 g
Door station dimensions (WxDxH)Known for one131.45 x 46 x 33.8 mm
Packaging data1 differ
Indoor unit includedYesYes
Outdoor unit includedDiffersYesNo
Technical detailsidentical
CertificationKnown for oneCE/FCC
Audioidentical
Built-in speaker(s)Known for oneYes
Number of speakersKnown for one1
Voice codecsKnown for oneG.711
Networkidentical
Ethernet interface typeKnown for oneFast Ethernet
Ethernet LAN data ratesKnown for one10,100 Mbit/s
Supported network protocolsKnown for oneTCP/IP

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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