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Product comparison · 2 video intercom systems

Dahua Technology VTH2421FB video intercom system vs Dahua Technology VTO3211D-P1-S2 video intercom system

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  • 21specifications compared
  • 10differ
  • 11identical
  • 42known for one product only

Key differences

The Dahua Technology VTH2421FB video intercom system has 120.5 mm more width than the Dahua Technology VTO3211D-P1-S2 video intercom system (221.5 mm vs 101 mm). The Dahua Technology VTO3211D-P1-S2 video intercom system has 9.5 mm more depth than the Dahua Technology VTH2421FB video intercom system (31 mm vs 21.5 mm). The Dahua Technology VTO3211D-P1-S2 video intercom system has 61.4 mm more height than the Dahua Technology VTH2421FB video intercom system (181 mm vs 119.6 mm). Only the Dahua Technology VTH2421FB video intercom system has colour. Only the Dahua Technology VTO3211D-P1-S2 video intercom system has outdoor unit included.

  • Colour
    • Yes
    • No
  • Voice codecs
    • G.711
    • G.711Mu, G.711u, PCM
  • Product colour
    • Black
    • Black, Grey
  • Placement supported
    • Horizontal
    • Vertical
  • Width
    • 221.5 mm
    • 101 mm
  • Depth
    • 21.5 mm
    • 31 mm
  • Height
    • 119.6 mm
    • 181 mm
  • Weight
    • 350 g
    • 660 g

Side by side

Differences highlightedShow differences only
63 specifications
A

Dahua Technology

VTH2421FB video intercom system

Model VTH2421FB

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
SpeakerphoneYesYes
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
Number of displays supportedKnown for one1
Displayidentical
Video formats supportedH.264H.264
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
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
Number of speakersKnown for one1
Design2 differ
Product colourDiffersBlackBlack, Grey
IK codeKnown for oneIK08
International Protection (IP) codeKnown for oneIP65
Outdoor unit housing materialKnown for oneAluminium
Control typeKnown for oneButtons
Housing materialKnown for oneAluminium, Metal, Polycarbonate (PC)
Placement supportedDiffersHorizontalVertical
Proper useKnown for oneOutdoor
Network1 differ
Ethernet interface typeFast EthernetFast Ethernet
Ethernet LAN data rates10,100 Mbit/s10,100 Mbit/s
Ethernet LAN (RJ-45) portsKnown for one1
Cabling technologyKnown for one10/100Base-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
Poweridentical
Outdoor unit power typeKnown for oneDC
AC adapter output voltageKnown for one12 V
AC adapter output currentKnown for one1 A
Power consumption (typical)7 W7 W
Power consumption (standby)1 W1 W
Indoor unit power typeKnown for oneDC
Operational conditionsidentical
Operating relative humidity (H-H)Known for one10 - 95%
Operating temperature (T-T)Known for one-30 - 60 °C
Weight & dimensions4 differ
WidthDiffers221.5 mm101 mm
DepthDiffers21.5 mm31 mm
HeightDiffers119.6 mm181 mm
WeightDiffers350 g660 g
Packaging data1 differ
Indoor unit includedYesYes
Outdoor unit includedDiffersNoYes
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

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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