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Product comparison · 2 video intercom systems

Dahua Technology VTA2302A video intercom system vs Dahua Technology VTH2421FW video intercom system

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  • 20specifications compared
  • 11differ
  • 9identical
  • 30known for one product only

Key differences

The Dahua Technology VTH2421FW video intercom system has 1 W more power consumption (typical) than the Dahua Technology VTA2302A video intercom system (7 W vs 6 W). The Dahua Technology VTA2302A video intercom system has 1 W more power consumption (standby) than the Dahua Technology VTH2421FW video intercom system (2 W vs 1 W). The Dahua Technology VTH2421FW video intercom system has 116.5 mm more width than the Dahua Technology VTA2302A video intercom system (221.5 mm vs 105 mm). Only the Dahua Technology VTH2421FW video intercom system has colour. Only the Dahua Technology VTH2421FW video intercom system has indoor unit included.

  • Colour
    • No
    • Yes
  • Product colour
    • Grey
    • Black, White
  • Placement supported
    • Vertical
    • Horizontal
  • Power consumption (typical)
    • 6 W
    • 7 W
  • Power consumption (standby)
    • 2 W
    • 1 W
  • Operating temperature (T-T)
    • -30 - 60 °C
    • -10 - 55 °C
  • Width
    • 105 mm
    • 221.5 mm
  • Depth
    • 46.7 mm
    • 21.5 mm

Side by side

Differences highlightedShow differences only
50 specifications
A

Dahua Technology

VTA2302A video intercom system

Model VTA2302A

View product
B

Dahua Technology

VTH2421FW video intercom system

Model VTH2421FW

View product
Features1 differ
Connectivity technologyWiredWired
ColourDiffersNoYes
Number of displays supported11
SpeakerphoneYesYes
Built-in microphoneYesYes
Number of buttonsKnown for one2 buttons
Viewing angleKnown for one111°
Wall mountableYesYes
Night visionidentical
Night visionKnown for oneYes
Cameraidentical
Megapixel (approx.)Known for one2 MP
Supported video modesKnown for one720p, 1080p
Sensor typeKnown for oneCMOS
Optical sensor sizeKnown for one25.4 / 2.7 mm (1 / 2.7")
Field of view (FOV) angleKnown for one111°
Viewing angle, horizontalKnown for one91°
Viewing angle, verticalKnown for one47°
Audioidentical
Built-in speaker(s)YesYes
Number of speakersKnown for one1
Voice codecsKnown for oneG.711
Design2 differ
Product colourDiffersGreyBlack, White
Control typeKnown for oneButtons
Placement supportedDiffersVerticalHorizontal
Proper useKnown for oneIndoor & outdoor
Networkidentical
Ethernet interface typeFast EthernetFast Ethernet
Ethernet LAN data rates10,100 Mbit/s10,100 Mbit/s
Ethernet LAN (RJ-45) portsKnown for one1
Power over Ethernet (PoE)Known for oneYes
Supported network protocolsKnown for oneTCP/IP
Power2 differ
Outdoor unit power typeKnown for oneDC
Power consumption (typical)Differs6 W7 W
Power consumption (standby)Differs2 W1 W
Indoor unit power typeKnown for oneDC
Operational conditions1 differ
Operating relative humidity (H-H)10 - 90%10 - 90%
Operating temperature (T-T)Differs-30 - 60 °C-10 - 55 °C
Weight & dimensions3 differ
WidthDiffers105 mm221.5 mm
DepthDiffers46.7 mm21.5 mm
HeightDiffers180 mm119.6 mm
WeightKnown for one350 g
Packaging data2 differ
Indoor unit includedDiffersNoYes
Outdoor unit includedDiffersYesNo
Package weightKnown for one1.2 kg
Technical detailsidentical
CertificationKnown for oneCE, FCC
Displayidentical
Display diagonalKnown for one17.8 cm (7")
Display technologyKnown for oneLCD
Display resolutionKnown for one1024 x 600 pixels
Backlight displayKnown for oneYes
TouchscreenKnown for oneYes
Touchscreen typeKnown for oneCapacitive
Video formats supportedKnown for oneH.264
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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