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Product comparison · 2 video intercom systems

Dahua Technology VTH1520A video intercom system vs Dahua Technology VTO6521K video intercom system

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  • 22specifications compared
  • 12differ
  • 10identical
  • 43known for one product only

Key differences

The Dahua Technology VTO6521K 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 VTO6521K 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 78.2 mm more width than the Dahua Technology VTO6521K video intercom system (221.2 mm vs 143 mm). Only the Dahua Technology VTH1520A video intercom system has colour. Display diagonal: 17.8 cm (7") on the Dahua Technology VTH1520A video intercom system, 10.9 cm (4.3") on the Dahua Technology VTO6521K video intercom system.

  • Colour
    • Yes
    • No
  • Display diagonal
    • 17.8 cm (7")
    • 10.9 cm (4.3")
  • Display technology
    • LCD/TFT
    • LCD
  • Voice codecs
    • G.711
    • G.711a, G.711u, PCM
  • Product colour
    • White
    • Stainless steel
  • 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

VTO6521K video intercom system

Model VTO6521K

View product
Features1 differ
Connectivity technologyWiredWired
ColourDiffersYesNo
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 oneRTSP, DNS, P2P, UPnP, RTP, RTMP, SIP, SSH, HTTP/HTTPS, ONVIF
Wall mountableYesYes
Display2 differ
Display diagonalDiffers17.8 cm (7")10.9 cm (4.3")
Display technologyDiffersLCD/TFTLCD
Display resolution800 x 480 pixels800 x 480 pixels
TouchscreenKnown for oneNo
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 / 2.8 mm (1 / 2.8")
Maximum frame rateKnown for one30 fps
Viewing angle, horizontalKnown for one86.4°
Viewing angle, verticalKnown for one46.2°
Audio1 differ
Built-in speaker(s)YesYes
Noise-cancelingKnown for oneYes
Voice codecsDiffersG.711G.711a, G.711u, PCM
Design2 differ
Product colourDiffersWhiteStainless steel
IK codeKnown for oneIK08
International Protection (IP) codeKnown for oneIP65
Control typeButtonsButtons
Housing materialKnown for oneStainless steel
Placement supportedKnown for oneVertical
Proper useDiffersIndoor & outdoorOutdoor
Smartphone supportKnown for oneYes
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/IPRTSP, DNS, P2P, UPnP, RTP, RTMP, SIP, SSH, HTTP/HTTPS, ONVIF
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 one200 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 & dimensions3 differ
WidthDiffers221.2 mm143 mm
DepthDiffers25.8 mm54 mm
HeightDiffers154.3 mm406 mm
WeightKnown for one800 g
Packaging dataidentical
Outdoor unit includedKnown for oneYes
Package weightKnown for one2.05 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
Storageidentical
Memory card slotKnown for oneYes
Compatible memory cardsKnown for oneMicroSD (TransFlash)
Maximum memory card sizeKnown for one4 GB

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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