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Product comparison · 2 video intercom systems

Dahua Technology VTO6521K video intercom system vs Dahua Technology VTO9541D video intercom system

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  • 58specifications compared
  • 22differ
  • 36identical
  • 6known for one product only

Key differences

The Dahua Technology VTO9541D video intercom system has 1 more maximum cameras supported than the Dahua Technology VTO6521K video intercom system (2 vs 1). The Dahua Technology VTO9541D video intercom system has 7.76° more viewing angle, horizontal than the Dahua Technology VTO6521K video intercom system (94.16° vs 86.4°). The Dahua Technology VTO9541D video intercom system has 3.37° more viewing angle, vertical than the Dahua Technology VTO6521K video intercom system (49.57° vs 46.2°). Only the Dahua Technology VTO9541D video intercom system has colour. Only the Dahua Technology VTO9541D video intercom system has touchscreen.

  • Colour
    • No
    • Yes
  • Maximum number of cameras supported
    • 1
    • 2
  • Display diagonal
    • 10.9 cm (4.3")
    • 25.4 cm (10")
  • Display resolution
    • 800 x 480 pixels
    • 800 x 1280 pixels
  • Touchscreen
    • No
    • Yes
  • Viewing angle, horizontal
    • 86.4°
    • 94.16°
  • Viewing angle, vertical
    • 46.2°
    • 49.57°
  • Voice codecs
    • G.711a, G.711u, PCM
    • G.711u

Side by side

Differences highlightedShow differences only
64 specifications
A

Dahua Technology

VTO6521K video intercom system

Model VTO6521K

View product
B

Dahua Technology

VTO9541D video intercom system

Model VTO9541D

View product
Features3 differ
Connectivity technologyWiredWired
ColourDiffersNoYes
Number of displays supportedKnown for one1
Maximum number of cameras supportedDiffers12
SpeakerphoneYesYes
RFID readerYesYes
Fingerprint readerYesYes
Automatic gain controlYesYes
Built-in microphoneYesYes
Door station controlYesYes
Motion detection functionYesYes
VoIP protocolsDiffersRTSP, DNS, P2P, UPnP, RTP, RTMP, SIP, SSH, HTTP/HTTPS, ONVIFIPv4, FTP, DNS, RTSP, RTP, TCP, UDP, SIP
Wall mountableYesYes
Display3 differ
Display diagonalDiffers10.9 cm (4.3")25.4 cm (10")
Display technologyLCDLCD
Display resolutionDiffers800 x 480 pixels800 x 1280 pixels
TouchscreenDiffersNoYes
Touchscreen typeKnown for oneCapacitive
Video formats supportedH.264H.264
Night visionidentical
Night visionKnown for oneYes
Camera2 differ
Megapixel (approx.)2 MP2 MP
Supported video modes720p, 1080p720p, 1080p
Sensor typeCMOSCMOS
Optical sensor size25.4 / 2.8 mm (1 / 2.8")25.4 / 2.8 mm (1 / 2.8")
Maximum frame rate30 fps30 fps
Viewing angle, horizontalDiffers86.4°94.16°
Viewing angle, verticalDiffers46.2°49.57°
Audio1 differ
Built-in speaker(s)YesYes
Number of speakersKnown for one1
Speaker powerKnown for one1.5 W
Noise-cancelingYesYes
Voice codecsDiffersG.711a, G.711u, PCMG.711u
Design4 differ
Product colourDiffersStainless steelGrey
IK codeDiffersIK08IK07
International Protection (IP) codeIP65IP65
Control typeDiffersButtonsTouch
Housing materialDiffersStainless steelMetal, Tempered glass
Placement supportedVerticalVertical
Proper useOutdoorOutdoor
Network4 differ
Ethernet interface typeDiffersFast EthernetGigabit Ethernet
Ethernet LAN data ratesDiffers10,100 Mbit/s10,100,1000 Mbit/s
Ethernet LAN (RJ-45) ports11
Cabling technologyDiffers10/100Base-T(X)10/100/1000Base-T(X)
Power over Ethernet (PoE)YesYes
Supported network protocolsDiffersRTSP, DNS, P2P, UPnP, RTP, RTMP, SIP, SSH, HTTP/HTTPS, ONVIFIPv4, FTP, DNS, RTSP, RTP, TCP, UDP, SIP
Softwareidentical
Operating system installedLinuxLinux
Power1 differ
Outdoor unit power typeDCDC
AC adapter output voltage12 V12 V
AC adapter output current2 A2 A
Power consumptionDiffers200 mA100 mA
Power consumption (typical)18 W18 W
Power consumption (standby)5 W5 W
Operational conditionsidentical
Operating relative humidity (H-H)10 - 90%10 - 90%
Operating temperature (T-T)-30 - 60 °C-30 - 60 °C
Weight & dimensions3 differ
WidthDiffers143 mm174.8 mm
DepthDiffers54 mm57.3 mm
HeightDiffers406 mm475.8 mm
WeightKnown for one2.2 kg
Packaging data1 differ
Outdoor unit includedYesYes
Package weightDiffers2.05 kg2.67 kg
Logistics dataidentical
Quantity per pack1 pc(s)1 pc(s)
Minimum order quantity1 pc(s)1 pc(s)
Technical detailsidentical
Compliance certificatesCE, Federal Communications Commission (FCC)CE, Federal Communications Commission (FCC)
Sustainability complianceYesYes

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