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Product comparison · 2 video intercom systems

Dahua Technology VTH1520A video intercom system vs Dahua Technology VTO3211D-P1-S2 video intercom system

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  • 20specifications compared
  • 11differ
  • 9identical
  • 43known 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 VTO3211D-P1-S2 video intercom system (1.5 W vs 1 W). The Dahua Technology VTH1520A video intercom system has 120.2 mm more width than the Dahua Technology VTO3211D-P1-S2 video intercom system (221.2 mm vs 101 mm). The Dahua Technology VTO3211D-P1-S2 video intercom system has 5.2 mm more depth than the Dahua Technology VTH1520A video intercom system (31 mm vs 25.8 mm). Only the Dahua Technology VTH1520A video intercom system has colour. Voice codecs: G.711 on the Dahua Technology VTH1520A video intercom system, G.711Mu, G.711u, PCM on the Dahua Technology VTO3211D-P1-S2 video intercom system.

  • Colour
    • Yes
    • No
  • Voice codecs
    • G.711
    • G.711Mu, G.711u, PCM
  • Product colour
    • White
    • Black, Grey
  • Proper use
    • Indoor & outdoor
    • Outdoor
  • Power consumption (standby)
    • 1.5 W
    • 1 W
  • Operating relative humidity (H-H)
    • 10 - 90%
    • 10 - 95%
  • Width
    • 221.2 mm
    • 101 mm
  • Depth
    • 25.8 mm
    • 31 mm

Side by side

Differences highlightedShow differences only
63 specifications
A

Dahua Technology

VTH1520A video intercom system

Model VTH1520A

View product
B

Dahua Technology

VTO3211D-P1-S2 video intercom system

Model VTO3211D-P1-S2

View product
Features1 differ
Connectivity technologyWiredWired
ColourDiffersYesNo
Maximum number of cameras supportedKnown for one1
SpeakerphoneKnown for oneYes
RFID readerKnown for oneYes
Built-in microphoneYesYes
Echo cancellationKnown for oneYes
Motion detection functionKnown for oneYes
Number of buttonsKnown for one2 buttons
VoIP protocolsKnown for oneSIP, P2P, IPv4, FTP, UPnP, DNS, DDNS, RTSP, RTP, TCP, UDP
Wall mountableYesYes
Door station controlKnown for oneYes
Displayidentical
Video formats supportedKnown for oneH.264
Display diagonalKnown for one17.8 cm (7")
Display technologyKnown for oneLCD/TFT
Display resolutionKnown for one800 x 480 pixels
Night visionidentical
Night visionKnown for oneYes
LED typeKnown for oneIR
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
Built-in speaker(s)YesYes
Voice codecsDiffersG.711G.711Mu, G.711u, PCM
Design2 differ
Product colourDiffersWhiteBlack, Grey
IK codeKnown for oneIK08
International Protection (IP) codeKnown for oneIP65
Outdoor unit housing materialKnown for oneAluminium
Control typeButtonsButtons
Housing materialKnown for oneAluminium, Metal, Polycarbonate (PC)
Placement supportedKnown for oneVertical
Proper useDiffersIndoor & outdoorOutdoor
Smartphone supportKnown for oneYes
Network1 differ
Ethernet interface typeKnown for oneFast Ethernet
Ethernet LAN data ratesKnown for one10,100 Mbit/s
Ethernet LAN (RJ-45) portsKnown for one1
Cabling technology10/100Base-T(X)10/100Base-T(X)
Power over Ethernet (PoE)Known for oneYes
Supported network protocolsDiffersTCP/IPSIP, P2P, IPv4, FTP, UPnP, DNS, DDNS, RTSP, RTP, TCP, UDP
Softwareidentical
Operating system installedKnown for oneEmbedded LINUX
Power1 differ
Outdoor unit power typeKnown for oneDC
AC adapter output voltage12 V12 V
AC adapter output currentKnown for one1 A
Power consumption (typical)7 W7 W
Power consumption (standby)Differs1.5 W1 W
Operational conditions1 differ
Operating relative humidity (H-H)Differs10 - 90%10 - 95%
Operating temperature (T-T)Known for one-30 - 60 °C
Main monitor station operating temperature (T-T)Known for one-10 - 55 °C
Weight & dimensions4 differ
WidthDiffers221.2 mm101 mm
DepthDiffers25.8 mm31 mm
HeightDiffers154.3 mm181 mm
WeightDiffers800 g660 g
Packaging dataidentical
Indoor unit includedYesYes
Outdoor unit includedKnown for oneYes
Logistics dataidentical
Quantity per packKnown for one1 pc(s)
Minimum order quantityKnown for one1 pc(s)
Technical detailsidentical
Compliance certificatesKnown for oneCE, Federal Communications Commission (FCC)
Sustainability complianceKnown for oneYes
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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