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Product comparison · 2 video intercom systems

Dahua Technology DHI-VTO3211D-P2-S2 video intercom system vs Dahua Technology VTH2421FW-P video intercom system

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  • 22specifications compared
  • 12differ
  • 10identical
  • 30known for one product only

Key differences

The Dahua Technology VTH2421FW-P video intercom system has 3 W more power consumption (standby) than the Dahua Technology DHI-VTO3211D-P2-S2 video intercom system (4 W vs 1 W). The Dahua Technology VTH2421FW-P video intercom system has 120.5 mm more width than the Dahua Technology DHI-VTO3211D-P2-S2 video intercom system (221.5 mm vs 101 mm). The Dahua Technology DHI-VTO3211D-P2-S2 video intercom system has 9.5 mm more depth than the Dahua Technology VTH2421FW-P video intercom system (31 mm vs 21.5 mm). Only the Dahua Technology VTH2421FW-P video intercom system has indoor unit included. Only the Dahua Technology DHI-VTO3211D-P2-S2 video intercom system has outdoor unit included.

  • Voice codecs
    • G.711
    • G.711a, G.711u, PCM
  • Product colour
    • Grey
    • Black, White
  • Power consumption (standby)
    • 1 W
    • 4 W
  • Operating temperature (T-T)
    • -40 - 60 °C
    • -10 - 55 °C
  • Width
    • 101 mm
    • 221.5 mm
  • Depth
    • 31 mm
    • 21.5 mm
  • Height
    • 181 mm
    • 119.6 mm
  • Weight
    • 800 g
    • 350 g

Side by side

Differences highlightedShow differences only
52 specifications
A

Dahua Technology

DHI-VTO3211D-P2-S2 video intercom system

Model DHI-VTO3211D-P2-S2

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B

Dahua Technology

VTH2421FW-P video intercom system

Model VTH2421FW-P

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Featuresidentical
RFID readerKnown for oneYes
Number of buttonsKnown for one2 buttons
Night visionidentical
Night visionKnown for oneYes
Cameraidentical
Megapixel (approx.)Known for one2 MP
Sensor typeKnown for oneCMOS
Optical sensor sizeKnown for one25.4 / 2.8 mm (1 / 2.8")
Field of view (FOV) angleKnown for one147°
Viewing angle, horizontalKnown for one129°
Viewing angle, verticalKnown for one74°
Audio1 differ
Voice codecsDiffersG.711G.711a, G.711u, PCM
Speaker powerKnown for one1.5 W
Design1 differ
Product colourDiffersGreyBlack, White
IK codeKnown for oneIK08
International Protection (IP) codeKnown for oneIP65
Outdoor unit housing materialKnown for oneAluminium
Control typeKnown for oneButtons
Placement supportedKnown for oneVertical
Proper useKnown for oneOutdoor
Network1 differ
Cabling technologyKnown for one10/100Base-T(X)
Power over Ethernet (PoE)Known for oneYes
Supported network protocolsDiffersSIP; P2P; IPv4; DNS; RTSP; RTP; TCP; UDPTCP/IP
Ethernet LAN (RJ-45) portsKnown for one1
Networking standardsKnown for oneIEEE 802.3af
Softwareidentical
Operating system installedKnown for oneLinux
Power1 differ
Outdoor unit power typeKnown for oneDC
Power consumption (standby)Differs1 W4 W
Indoor unit power typeKnown for oneDC
Power consumption (typical)Known for one6 W
Operational conditions1 differ
Operating temperature (T-T)Differs-40 - 60 °C-10 - 55 °C
Weight & dimensions4 differ
WidthDiffers101 mm221.5 mm
DepthDiffers31 mm21.5 mm
HeightDiffers181 mm119.6 mm
WeightDiffers800 g350 g
Packaging data2 differ
Indoor unit includedDiffersNoYes
Outdoor unit includedDiffersYesNo
Package weightKnown for one660 g
Technical details1 differ
CertificationDiffersCE/FCCEN 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
Displayidentical
Display diagonalKnown for one17.8 cm (7")
Display technologyKnown for oneLCD/TFT
Display resolutionKnown for one1024 x 600 pixels
TouchscreenKnown for oneYes
Touchscreen typeKnown for oneCapacitive

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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