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Product comparison · 2 video intercom systems

Dahua Technology VTH1520A video intercom system vs Dahua Technology VTH2421FW-P video intercom system

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  • 19specifications compared
  • 10differ
  • 9identical
  • 23known for one product only

Key differences

The Dahua Technology VTH1520A video intercom system has 1 W more power consumption (typical) than the Dahua Technology VTH2421FW-P video intercom system (7 W vs 6 W). The Dahua Technology VTH2421FW-P video intercom system has 2.5 W more power consumption (standby) than the Dahua Technology VTH1520A video intercom system (4 W vs 1.5 W). The Dahua Technology VTH2421FW-P video intercom system has 0.3 mm more width than the Dahua Technology VTH1520A video intercom system (221.5 mm vs 221.2 mm). Display resolution: 800 x 480 pixels on the Dahua Technology VTH1520A video intercom system, 1024 x 600 pixels on the Dahua Technology VTH2421FW-P video intercom system. Voice codecs: G.711 on the Dahua Technology VTH1520A video intercom system, G.711a, G.711u, PCM on the Dahua Technology VTH2421FW-P video intercom system.

  • Display resolution
    • 800 x 480 pixels
    • 1024 x 600 pixels
  • Voice codecs
    • G.711
    • G.711a, G.711u, PCM
  • Product colour
    • White
    • Black, White
  • Power consumption (typical)
    • 7 W
    • 6 W
  • Power consumption (standby)
    • 1.5 W
    • 4 W
  • Operating relative humidity (H-H)
    • 10 - 90%
    • 10 - 95%
  • Width
    • 221.2 mm
    • 221.5 mm
  • Depth
    • 25.8 mm
    • 21.5 mm

Side by side

Differences highlightedShow differences only
42 specifications
A

Dahua Technology

VTH1520A video intercom system

Model VTH1520A

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B

Dahua Technology

VTH2421FW-P video intercom system

Model VTH2421FW-P

View product
Featuresidentical
SpeakerphoneKnown for oneYes
Video codecsKnown for oneH.264
Door station controlKnown for oneYes
Display1 differ
Display resolutionDiffers800 x 480 pixels1024 x 600 pixels
TouchscreenKnown for oneYes
Touchscreen typeKnown for oneCapacitive
Audio1 differ
Speaker powerKnown for one1.5 W
Voice codecsDiffersG.711G.711a, G.711u, PCM
Design1 differ
Product colourDiffersWhiteBlack, White
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
Ethernet LAN (RJ-45) portsKnown for one1
Networking standardsKnown for oneIEEE 802.3af
Cabling technologyKnown for one10/100Base-T(X)
Power2 differ
Indoor unit power typeKnown for oneDC
Power consumption (typical)Differs7 W6 W
Power consumption (standby)Differs1.5 W4 W
AC adapter output voltageKnown for one12 V
Operational conditions1 differ
Operating relative humidity (H-H)Differs10 - 90%10 - 95%
Operating temperature (T-T)Known for one-10 - 55 °C
Main monitor station operating temperature (T-T)Known for one-10 - 55 °C
Weight & dimensions4 differ
WidthDiffers221.2 mm221.5 mm
DepthDiffers25.8 mm21.5 mm
HeightDiffers154.3 mm119.6 mm
WeightDiffers800 g350 g
Packaging dataidentical
Outdoor unit includedKnown for oneNo
Technical detailsidentical
CertificationKnown for oneEN 60950-1:2006 + A11:2009 + A1:2010 + A12:2011 + A2:2013 IEC 60950-1:2005 (Second Edition); Am1:2009 + Am2:2013 FCC CFR 47 Part 15 subpart B EN 55032:2015; EN 610003 2:2014; EN 61000 3 3:2013; EN 55024:2010/A1:2015; EN 55035:2017; EN 50130 4:2011/A1:2014
Storageidentical
Memory card slotKnown for oneYes
Compatible memory cardsKnown for oneMicroSD (TransFlash)
Maximum memory card sizeKnown for one4 GB

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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