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Product comparison · 2 video intercom systems

Dahua Technology VTO6521H-D video intercom system vs Dahua Technology VTO7541G video intercom system

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  • 48specifications compared
  • 21differ
  • 27identical
  • 19known for one product only

Key differences

The Dahua Technology VTO7541G video intercom system has 1 more maximum cameras supported than the Dahua Technology VTO6521H-D video intercom system (2 vs 1). The Dahua Technology VTO6521H-D video intercom system has 25.79° more viewing angle, horizontal than the Dahua Technology VTO7541G video intercom system (113.79° vs 88°). The Dahua Technology VTO6521H-D video intercom system has 14.5° more viewing angle, vertical than the Dahua Technology VTO7541G video intercom system (61.5° vs 47°). Display diagonal: 10.9 cm (4.3") on the Dahua Technology VTO6521H-D video intercom system, 20.3 cm (8") on the Dahua Technology VTO7541G video intercom system. Display resolution: 800 x 480 pixels on the Dahua Technology VTO6521H-D video intercom system, 800 x 1280 pixels on the Dahua Technology VTO7541G video intercom system.

  • Maximum number of cameras supported
    • 1
    • 2
  • Display diagonal
    • 10.9 cm (4.3")
    • 20.3 cm (8")
  • Display resolution
    • 800 x 480 pixels
    • 800 x 1280 pixels
  • Optical sensor size
    • 25.4 / 2.7 mm (1 / 2.7")
    • 25.4 / 2.8 mm (1 / 2.8")
  • Viewing angle, horizontal
    • 113.79°
    • 88°
  • Viewing angle, vertical
    • 61.5°
    • 47°
  • Product colour
    • Silver
    • Grey
  • International Protection (IP) code
    • IP65
    • IP66

Side by side

Differences highlightedShow differences only
67 specifications
A

Dahua Technology

VTO6521H-D video intercom system

Model VTO6521H-D

View product
B

Dahua Technology

VTO7541G video intercom system

Model VTO7541G

View product
Features2 differ
Connectivity technologyWiredWired
Number of displays supported11
Maximum number of cameras supportedDiffers12
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, UDPIPv4, FTP, DNS, RTSP, RTP, TCP, UDP, SIP
Wall mountableYesYes
ColourKnown for oneYes
Display2 differ
Display diagonalDiffers10.9 cm (4.3")20.3 cm (8")
Display technologyIPSIPS
Display resolutionDiffers800 x 480 pixels800 x 1280 pixels
Video formats supportedKnown for oneH.264
TouchscreenKnown for oneYes
Touchscreen typeKnown for oneCapacitive
Camera3 differ
Megapixel (approx.)2 MP2 MP
Supported video modesKnown for one720p, 1080p
Sensor typeCMOSCMOS
Optical sensor sizeDiffers25.4 / 2.7 mm (1 / 2.7")25.4 / 2.8 mm (1 / 2.8")
Maximum frame rateKnown for one30 fps
Viewing angle, horizontalDiffers113.79°88°
Viewing angle, verticalDiffers61.5°47°
Audioidentical
Built-in speaker(s)YesYes
Noise-cancelingYesYes
Voice codecsKnown for oneG.711u
Design4 differ
Product colourDiffersSilverGrey
International Protection (IP) codeDiffersIP65IP66
Control typeDiffersButtons, TouchTouch
Housing materialDiffersAcrylonitrile butadiene styrene (ABS), Polycarbonate (PC)Acrylonitrile butadiene styrene (ABS), Aluminium, Polycarbonate (PC)
Placement supportedVerticalVertical
Proper useOutdoorOutdoor
IK codeKnown for oneIK07
Storageidentical
Memory card slotKnown for oneYes
Maximum memory card sizeKnown for one4 GB
Included memory card sizeKnown for one1 GB
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 protocolsDiffersSIP, P2P, IPv4, FTP, UPnP, DNS, DDNS, RTSP, RTP, TCP, UDPIPv4, FTP, DNS, RTSP, RTP, TCP, UDP, SIP
Softwareidentical
Operating system installedKnown for oneLinux
Power1 differ
Outdoor unit power typeDCDC
AC adapter output voltage12 V12 V
AC adapter output current2 A2 A
Power consumption100 mA100 mA
Power consumption (typical)Differs18 W24 W
Power consumption (standby)Known for one5 W
Operational conditions1 differ
Operating relative humidity (H-H)10 - 90%10 - 90%
Operating temperature (T-T)Differs-30 - 60 °C-20 - 60 °C
Weight & dimensions3 differ
WidthDiffers145.5 mm145 mm
DepthDiffers43.5 mm43 mm
HeightDiffers388.5 mm389 mm
WeightKnown for one1 kg
Packaging data1 differ
Outdoor unit includedYesYes
Package weightDiffers1.29 kg1.91 kg
Package widthKnown for one182 mm
Package depthKnown for one104 mm
Package heightKnown for one413 mm
Logistics dataidentical
Quantity per pack1 pc(s)1 pc(s)
Minimum order quantity1 pc(s)1 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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