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Product comparison · 2 video intercom systems

Dahua Technology VTO3211D-P2 video intercom system vs Dahua Technology VTO7521G video intercom system

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  • 23specifications compared
  • 10differ
  • 13identical
  • 41known for one product only

Key differences

The Dahua Technology VTO3211D-P2 video intercom system has 52° more viewing angle, horizontal than the Dahua Technology VTO7521G video intercom system (140° vs 88°). The Dahua Technology VTO7521G video intercom system has 44 mm more width than the Dahua Technology VTO3211D-P2 video intercom system (145 mm vs 101 mm). The Dahua Technology VTO7521G video intercom system has 13 mm more depth than the Dahua Technology VTO3211D-P2 video intercom system (43 mm vs 30 mm). Product colour: Black, Grey on the Dahua Technology VTO3211D-P2 video intercom system, Grey on the Dahua Technology VTO7521G video intercom system. IK code: IK08 on the Dahua Technology VTO3211D-P2 video intercom system, IK07 on the Dahua Technology VTO7521G video intercom system.

  • Viewing angle, horizontal
    • 140°
    • 88°
  • Product colour
    • Black, Grey
    • Grey
  • IK code
    • IK08
    • IK07
  • International Protection (IP) code
    • IP65
    • IP66
  • Ethernet interface type
    • Fast Ethernet
    • Gigabit Ethernet
  • Ethernet LAN data rates
    • 10,100 Mbit/s
    • 10,100,1000 Mbit/s
  • Width
    • 101 mm
    • 145 mm
  • Depth
    • 30 mm
    • 43 mm

Side by side

Differences highlightedShow differences only
64 specifications
A

Dahua Technology

VTO3211D-P2 video intercom system

Model VTO3211D-P2

View product
B

Dahua Technology

VTO7521G video intercom system

Model VTO7521G

View product
Featuresidentical
Connectivity technologyWiredWired
ColourKnown for oneYes
Number of displays supportedKnown for one1
Maximum number of cameras supportedKnown for one2
SpeakerphoneYesYes
RFID readerKnown for oneYes
Fingerprint readerKnown for oneYes
Automatic gain controlKnown for oneYes
Built-in microphoneYesYes
Door station controlKnown for oneYes
Motion detection functionKnown for oneYes
VoIP protocolsKnown for oneIPv4, FTP, DNS, RTSP, RTP, TCP, UDP, SIP
Wall mountableYesYes
Number of buttonsKnown for one2 buttons
Displayidentical
Display diagonalKnown for one20.3 cm (8")
Display technologyKnown for oneIPS
Display resolutionKnown for one800 x 1280 pixels
TouchscreenKnown for oneYes
Touchscreen typeKnown for oneCapacitive
Camera1 differ
Megapixel (approx.)2 MP2 MP
Sensor typeCMOSCMOS
Optical sensor size25.4 / 2.8 mm (1 / 2.8")25.4 / 2.8 mm (1 / 2.8")
Viewing angle, horizontalDiffers140°88°
Viewing angle, verticalKnown for one47°
Audioidentical
Built-in speaker(s)YesYes
Noise-cancelingKnown for oneYes
Voice codecsKnown for oneG.711
Design3 differ
Product colourDiffersBlack, GreyGrey
IK codeDiffersIK08IK07
International Protection (IP) codeDiffersIP65IP66
Control typeKnown for oneTouch
Housing materialKnown for oneAcrylonitrile butadiene styrene (ABS), Aluminium, Polycarbonate (PC)
Placement supportedVerticalVertical
Proper useOutdoorOutdoor
Outdoor unit housing materialKnown for oneAluminium
Network3 differ
Ethernet interface typeDiffersFast EthernetGigabit Ethernet
Ethernet LAN data ratesDiffers10,100 Mbit/s10,100,1000 Mbit/s
Ethernet LAN (RJ-45) portsKnown for one1
Cabling technologyKnown for one10/100/1000Base-T(X)
Power over Ethernet (PoE)YesYes
Supported network protocolsDiffersTCP/IPIPv4, FTP, DNS, RTSP, RTP, TCP, UDP, SIP
Poweridentical
Indoor unit power typeKnown for oneDC
AC adapter output voltageKnown for one12 V
AC adapter output currentKnown for one2 A
Power consumptionKnown for one100 mA
Power consumption (typical)Known for one24 W
Outdoor unit power typeKnown for oneDC
Operational conditionsidentical
Operating relative humidity (H-H)10 - 90%10 - 90%
Operating temperature (T-T)Known for one-20 - 60 °C
Door station operating temperature (T-T)Known for one-40 - 60 °C
Weight & dimensions3 differ
WidthDiffers101 mm145 mm
DepthDiffers30 mm43 mm
HeightDiffers182 mm389 mm
WeightKnown for one800 g
Packaging dataidentical
Outdoor unit includedYesYes
Package widthKnown for one182 mm
Package depthKnown for one104 mm
Package heightKnown for one413 mm
Package weightKnown for one1.91 kg
Indoor unit includedKnown for oneNo
Logistics dataidentical
Quantity per packKnown for one1 pc(s)
Minimum order quantityKnown for one1 pc(s)
Night visionidentical
Night visionKnown for oneYes
Softwareidentical
Operating system installedKnown for oneLinux

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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