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Product comparison · 2 video intercom systems

Dahua Technology VTH1520A video intercom system vs Dahua Technology VTH2421FB video intercom system

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  • 18specifications compared
  • 8differ
  • 10identical
  • 23known for one product only

Key differences

The Dahua Technology VTH1520A video intercom system has 0.5 W more power consumption (standby) than the Dahua Technology VTH2421FB video intercom system (1.5 W vs 1 W). The Dahua Technology VTH2421FB video intercom system has 0.3 mm more width than the Dahua Technology VTH1520A video intercom system (221.5 mm vs 221.2 mm). The Dahua Technology VTH1520A video intercom system has 4.3 mm more depth than the Dahua Technology VTH2421FB video intercom system (25.8 mm vs 21.5 mm). Display technology: LCD/TFT on the Dahua Technology VTH1520A video intercom system, LCD on the Dahua Technology VTH2421FB video intercom system. Display resolution: 800 x 480 pixels on the Dahua Technology VTH1520A video intercom system, 1024 x 600 pixels on the Dahua Technology VTH2421FB video intercom system.

  • Display technology
    • LCD/TFT
    • LCD
  • Display resolution
    • 800 x 480 pixels
    • 1024 x 600 pixels
  • Product colour
    • White
    • Black
  • Power consumption (standby)
    • 1.5 W
    • 1 W
  • Width
    • 221.2 mm
    • 221.5 mm
  • Depth
    • 25.8 mm
    • 21.5 mm
  • Height
    • 154.3 mm
    • 119.6 mm
  • Weight
    • 800 g
    • 350 g

Side by side

Differences highlightedShow differences only
41 specifications
A

Dahua Technology

VTH1520A video intercom system

Model VTH1520A

View product
B

Dahua Technology

VTH2421FB video intercom system

Model VTH2421FB

View product
Featuresidentical
Connectivity technologyWiredWired
ColourYesYes
Number of displays supportedKnown for one1
SpeakerphoneKnown for oneYes
Built-in microphoneYesYes
Wall mountableYesYes
Door station controlKnown for oneYes
Display2 differ
Display diagonal17.8 cm (7")17.8 cm (7")
Display technologyDiffersLCD/TFTLCD
Display resolutionDiffers800 x 480 pixels1024 x 600 pixels
Backlight displayKnown for oneYes
TouchscreenKnown for oneYes
Touchscreen typeKnown for oneCapacitive
Video formats supportedKnown for oneH.264
Audioidentical
Built-in speaker(s)YesYes
Number of speakersKnown for one1
Voice codecsG.711G.711
Design1 differ
Product colourDiffersWhiteBlack
Placement supportedKnown for oneHorizontal
Smartphone supportKnown for oneYes
Control typeKnown for oneButtons
Proper useKnown for oneIndoor & outdoor
Networkidentical
Ethernet interface typeKnown for oneFast Ethernet
Ethernet LAN data ratesKnown for one10,100 Mbit/s
Supported network protocolsTCP/IPTCP/IP
Cabling technologyKnown for one10/100Base-T(X)
Power1 differ
Indoor unit power typeKnown for oneDC
Power consumption (typical)7 W7 W
Power consumption (standby)Differs1.5 W1 W
AC adapter output voltageKnown for one12 V
Weight & dimensions4 differ
WidthDiffers221.2 mm221.5 mm
DepthDiffers25.8 mm21.5 mm
HeightDiffers154.3 mm119.6 mm
WeightDiffers800 g350 g
Packaging dataidentical
Indoor unit includedYesYes
Outdoor unit includedKnown for oneNo
Storageidentical
Memory card slotKnown for oneYes
Compatible memory cardsKnown for oneMicroSD (TransFlash)
Maximum memory card sizeKnown for one4 GB
Operational conditionsidentical
Main monitor station operating temperature (T-T)Known for one-10 - 55 °C
Operating relative humidity (H-H)Known for one10 - 90%

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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