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Product comparison · 2 video intercom systems

Dahua Technology VTH1520A video intercom system vs Dahua Technology VTO6521H-D video intercom system

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  • 24specifications compared
  • 13differ
  • 11identical
  • 41known for one product only

Key differences

The Dahua Technology VTO6521H-D video intercom system has 11 W more power consumption (typical) than the Dahua Technology VTH1520A video intercom system (18 W vs 7 W). The Dahua Technology VTO6521H-D video intercom system has 3.5 W more power consumption (standby) than the Dahua Technology VTH1520A video intercom system (5 W vs 1.5 W). The Dahua Technology VTH1520A video intercom system has 75.7 mm more width than the Dahua Technology VTO6521H-D video intercom system (221.2 mm vs 145.5 mm). Display diagonal: 17.8 cm (7") on the Dahua Technology VTH1520A video intercom system, 10.9 cm (4.3") on the Dahua Technology VTO6521H-D video intercom system. Display technology: LCD/TFT on the Dahua Technology VTH1520A video intercom system, IPS on the Dahua Technology VTO6521H-D video intercom system.

  • Display diagonal
    • 17.8 cm (7")
    • 10.9 cm (4.3")
  • Display technology
    • LCD/TFT
    • IPS
  • Voice codecs
    • G.711
    • G.711u
  • Product colour
    • White
    • Silver
  • Control type
    • Buttons
    • Buttons, Touch
  • Proper use
    • Indoor & outdoor
    • Outdoor
  • Power consumption (typical)
    • 7 W
    • 18 W
  • Power consumption (standby)
    • 1.5 W
    • 5 W

Side by side

Differences highlightedShow differences only
65 specifications
A

Dahua Technology

VTH1520A video intercom system

Model VTH1520A

View product
B

Dahua Technology

VTO6521H-D video intercom system

Model VTO6521H-D

View product
Featuresidentical
Connectivity technologyWiredWired
Number of displays supportedKnown for one1
Maximum number of cameras supportedKnown for one1
SpeakerphoneKnown for oneYes
RFID readerKnown for oneYes
Fingerprint readerKnown for oneYes
Automatic gain controlKnown for oneYes
Built-in microphoneYesYes
Door station controlYesYes
Motion detection functionKnown for oneYes
VoIP protocolsKnown for oneSIP, P2P, IPv4, FTP, UPnP, DNS, DDNS, RTSP, RTP, TCP, UDP
Wall mountableYesYes
ColourKnown for oneYes
Display2 differ
Display diagonalDiffers17.8 cm (7")10.9 cm (4.3")
Display technologyDiffersLCD/TFTIPS
Display resolution800 x 480 pixels800 x 480 pixels
Video formats supportedKnown for oneH.264
Cameraidentical
Megapixel (approx.)Known for one2 MP
Supported video modesKnown for one720p, 1080p
Sensor typeKnown for oneCMOS
Optical sensor sizeKnown for one25.4 / 2.7 mm (1 / 2.7")
Maximum frame rateKnown for one30 fps
Viewing angle, horizontalKnown for one113.79°
Viewing angle, verticalKnown for one61.5°
Audio1 differ
Built-in speaker(s)YesYes
Noise-cancelingKnown for oneYes
Voice codecsDiffersG.711G.711u
Design3 differ
Product colourDiffersWhiteSilver
International Protection (IP) codeKnown for oneIP65
Control typeDiffersButtonsButtons, Touch
Housing materialKnown for oneAcrylonitrile butadiene styrene (ABS), Polycarbonate (PC)
Placement supportedKnown for oneVertical
Proper useDiffersIndoor & outdoorOutdoor
Smartphone supportKnown for oneYes
Storageidentical
Memory card slotYesYes
Maximum memory card size4 GB4 GB
Included memory card sizeKnown for one1 GB
Compatible memory cardsKnown for oneMicroSD (TransFlash)
Network1 differ
Ethernet interface typeKnown for oneFast Ethernet
Ethernet LAN data ratesKnown for one10,100 Mbit/s
Ethernet LAN (RJ-45) portsKnown for one1
Cabling technology10/100Base-T(X)10/100Base-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 oneLinux
Power2 differ
Outdoor unit power typeKnown for oneDC
AC adapter output voltage12 V12 V
AC adapter output currentKnown for one2 A
Power consumptionKnown for one100 mA
Power consumption (typical)Differs7 W18 W
Power consumption (standby)Differs1.5 W5 W
Operational conditionsidentical
Operating relative humidity (H-H)10 - 90%10 - 90%
Operating temperature (T-T)Known for one-30 - 60 °C
Main monitor station operating temperature (T-T)Known for one-10 - 55 °C
Weight & dimensions4 differ
WidthDiffers221.2 mm145.5 mm
DepthDiffers25.8 mm43.5 mm
HeightDiffers154.3 mm388.5 mm
WeightDiffers800 g1 kg
Packaging dataidentical
Outdoor unit includedKnown for oneYes
Package weightKnown for one1.29 kg
Indoor unit includedKnown for oneYes
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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