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Product comparison · 2 video intercom systems

Dahua Technology VTO6521H video intercom system vs Dahua Technology VTO6521K video intercom system

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  • 54specifications compared
  • 15differ
  • 39identical
  • 10known for one product only

Key differences

The Dahua Technology VTO6521H video intercom system has 27.39° more viewing angle, horizontal than the Dahua Technology VTO6521K video intercom system (113.79° vs 86.4°). The Dahua Technology VTO6521H video intercom system has 15.3° more viewing angle, vertical than the Dahua Technology VTO6521K video intercom system (61.5° vs 46.2°). The Dahua Technology VTO6521K video intercom system has 100 mA more power consumption than the Dahua Technology VTO6521H video intercom system (200 mA vs 100 mA). Display technology: IPS on the Dahua Technology VTO6521H video intercom system, LCD on the Dahua Technology VTO6521K video intercom system. Optical sensor size: 25.4 / 2.7 mm (1 / 2.7") on the Dahua Technology VTO6521H video intercom system, 25.4 / 2.8 mm (1 / 2.8") on the Dahua Technology VTO6521K video intercom system.

  • Display technology
    • IPS
    • LCD
  • Optical sensor size
    • 25.4 / 2.7 mm (1 / 2.7")
    • 25.4 / 2.8 mm (1 / 2.8")
  • Viewing angle, horizontal
    • 113.79°
    • 86.4°
  • Viewing angle, vertical
    • 61.5°
    • 46.2°
  • Voice codecs
    • G.711u
    • G.711a, G.711u, PCM
  • Product colour
    • Silver
    • Stainless steel
  • Control type
    • Buttons, Touch
    • Buttons
  • Power consumption
    • 100 mA
    • 200 mA

Side by side

Differences highlightedShow differences only
64 specifications
A

Dahua Technology

VTO6521H video intercom system

Model VTO6521H

View product
B

Dahua Technology

VTO6521K video intercom system

Model VTO6521K

View product
Features1 differ
Connectivity technologyWiredWired
Number of displays supportedKnown for one1
Maximum number of cameras supported11
SpeakerphoneYesYes
RFID readerYesYes
Fingerprint readerYesYes
Automatic gain controlYesYes
Built-in microphoneYesYes
Door station controlYesYes
Motion detection functionYesYes
VoIP protocolsDiffersSIP, P2P, IPv4, FTP, UPnP, DNS, DDNS, RTSP, RTP, TCP, UDPRTSP, DNS, P2P, UPnP, RTP, RTMP, SIP, SSH, HTTP/HTTPS, ONVIF
Wall mountableYesYes
ColourKnown for oneNo
Display1 differ
Display diagonal10.9 cm (4.3")10.9 cm (4.3")
Display technologyDiffersIPSLCD
Display resolution800 x 480 pixels800 x 480 pixels
Video formats supportedH.264H.264
TouchscreenKnown for oneNo
Camera3 differ
Megapixel (approx.)2 MP2 MP
Supported video modes720p, 1080p720p, 1080p
Sensor typeCMOSCMOS
Optical sensor sizeDiffers25.4 / 2.7 mm (1 / 2.7")25.4 / 2.8 mm (1 / 2.8")
Maximum frame rate30 fps30 fps
Viewing angle, horizontalDiffers113.79°86.4°
Viewing angle, verticalDiffers61.5°46.2°
Audio1 differ
Built-in speaker(s)YesYes
Noise-cancelingYesYes
Voice codecsDiffersG.711uG.711a, G.711u, PCM
Design3 differ
Product colourDiffersSilverStainless steel
International Protection (IP) codeIP65IP65
Control typeDiffersButtons, TouchButtons
Housing materialDiffersAcrylonitrile butadiene styrene (ABS), Polycarbonate (PC)Stainless steel
Placement supportedVerticalVertical
Proper useOutdoorOutdoor
IK codeKnown for oneIK08
Storageidentical
Memory card slotKnown for oneYes
Maximum memory card sizeKnown for one4 GB
Included memory card sizeKnown for one1 GB
Network1 differ
Ethernet interface typeFast EthernetFast Ethernet
Ethernet LAN data rates10,100 Mbit/s10,100 Mbit/s
Ethernet LAN (RJ-45) ports11
Cabling technology10/100Base-T(X)10/100Base-T(X)
Power over Ethernet (PoE)YesYes
Supported network protocolsDiffersSIP, P2P, IPv4, FTP, UPnP, DNS, DDNS, RTSP, RTP, TCP, UDPRTSP, DNS, P2P, UPnP, RTP, RTMP, SIP, SSH, HTTP/HTTPS, ONVIF
Softwareidentical
Operating system installedLinuxLinux
Power1 differ
Indoor unit power typeKnown for oneDC
AC adapter output voltage12 V12 V
AC adapter output current2 A2 A
Power consumptionDiffers100 mA200 mA
Power consumption (typical)18 W18 W
Power consumption (standby)5 W5 W
Outdoor unit power typeKnown for oneDC
Operational conditionsidentical
Operating relative humidity (H-H)10 - 90%10 - 90%
Operating temperature (T-T)-30 - 60 °C-30 - 60 °C
Weight & dimensions3 differ
WidthDiffers145 mm143 mm
DepthDiffers41.9 mm54 mm
HeightDiffers389 mm406 mm
WeightKnown for one1.4 kg
Packaging data1 differ
Outdoor unit includedYesYes
Package weightDiffers1.68 kg2.05 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

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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