Product comparison · 2 video intercom systems

Dahua Technology VTO6521K-S2 IP Apartment Door Station vs Dahua Technology VTO9541D video intercom system

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  • 31specifications compared
  • 15differ
  • 16identical
  • 39known for one product only

Key differences

The Dahua Technology VTO9541D video intercom system has 5 fps more maximum frame rate than the Dahua Technology VTO6521K-S2 IP Apartment Door Station (30 fps vs 25 fps). The Dahua Technology VTO6521K-S2 IP Apartment Door Station has 0.84° more viewing angle, horizontal than the Dahua Technology VTO9541D video intercom system (95° vs 94.16°). The Dahua Technology VTO6521K-S2 IP Apartment Door Station has 0.43° more viewing angle, vertical than the Dahua Technology VTO9541D video intercom system (50° vs 49.57°). Display diagonal: 10.9 cm (4.3") on the Dahua Technology VTO6521K-S2 IP Apartment Door Station, 25.4 cm (10") on the Dahua Technology VTO9541D video intercom system. Display resolution: 800 x 480 pixels on the Dahua Technology VTO6521K-S2 IP Apartment Door Station, 800 x 1280 pixels on the Dahua Technology VTO9541D video intercom system.

  • Display diagonal
    • VTO6521K-S2 IP Apartment Door Station:10.9 cm (4.3")
    • VTO9541D video intercom system:25.4 cm (10")
  • Display resolution
    • VTO6521K-S2 IP Apartment Door Station:800 x 480 pixels
    • VTO9541D video intercom system:800 x 1280 pixels
  • Maximum frame rate
    • VTO6521K-S2 IP Apartment Door Station:25 fps
    • VTO9541D video intercom system:30 fps
  • Viewing angle, horizontal
    • VTO6521K-S2 IP Apartment Door Station:95°
    • VTO9541D video intercom system:94.16°
  • Viewing angle, vertical
    • VTO6521K-S2 IP Apartment Door Station:50°
    • VTO9541D video intercom system:49.57°
  • Voice codecs
    • VTO6521K-S2 IP Apartment Door Station:G.711a, G.711u, PCM
    • VTO9541D video intercom system:G.711u
  • Product colour
    • VTO6521K-S2 IP Apartment Door Station:Stainless steel
    • VTO9541D video intercom system:Grey
  • Ethernet interface type
    • VTO6521K-S2 IP Apartment Door Station:Fast Ethernet
    • VTO9541D video intercom system:Gigabit Ethernet

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Comparison of VTO6521K-S2, VTO9541D
70 specifications
A

Dahua Technology

VTO6521K-S2 IP Apartment Door Station

Model VTO6521K-S2

View product
B

Dahua Technology

VTO9541D video intercom system

Model VTO9541D

View product
Featuresidentical
Connectivity technologyWiredWired
ColourKnown for oneUnknown — not stated by the sourceYes
Number of displays supportedKnown for oneUnknown — not stated by the source1
Maximum number of cameras supportedKnown for oneUnknown — not stated by the source2
SpeakerphoneYesYes
RFID readerKnown for oneUnknown — not stated by the sourceYes
Fingerprint readerKnown for oneUnknown — not stated by the sourceYes
Automatic gain controlKnown for oneUnknown — not stated by the sourceYes
Built-in microphoneKnown for oneUnknown — not stated by the sourceYes
Door station controlKnown for oneUnknown — not stated by the sourceYes
Motion detection functionKnown for oneUnknown — not stated by the sourceYes
VoIP protocolsKnown for oneUnknown — not stated by the sourceIPv4, FTP, DNS, RTSP, RTP, TCP, UDP, SIP
Wall mountableKnown for oneUnknown — not stated by the sourceYes
Echo cancellationKnown for oneYesUnknown — not stated by the source
Display2 differ
Display diagonalDiffers10.9 cm (4.3")25.4 cm (10")
Display technologyKnown for oneUnknown — not stated by the sourceLCD
Display resolutionDiffers800 x 480 pixels800 x 1280 pixels
TouchscreenKnown for oneUnknown — not stated by the sourceYes
Touchscreen typeKnown for oneUnknown — not stated by the sourceCapacitive
Video formats supportedKnown for oneUnknown — not stated by the sourceH.264
Night visionidentical
Night visionKnown for oneUnknown — not stated by the sourceYes
Camera3 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 rateDiffers25 fps30 fps
Viewing angle, horizontalDiffers95°94.16°
Viewing angle, verticalDiffers50°49.57°
Audio1 differ
Built-in speaker(s)YesYes
Number of speakersKnown for oneUnknown — not stated by the source1
Speaker powerKnown for oneUnknown — not stated by the source1.5 W
Noise-cancelingYesYes
Voice codecsDiffersG.711a, G.711u, PCMG.711u
Design1 differ
Product colourDiffersStainless steelGrey
IK codeKnown for oneUnknown — not stated by the sourceIK07
International Protection (IP) codeIP65IP65
Control typeKnown for oneUnknown — not stated by the sourceTouch
Housing materialKnown for oneUnknown — not stated by the sourceMetal, Tempered glass
Placement supportedKnown for oneUnknown — not stated by the sourceVertical
Proper useKnown for oneUnknown — not stated by the sourceOutdoor
Network3 differ
Ethernet interface typeDiffersFast EthernetGigabit Ethernet
Ethernet LAN data ratesDiffers10,100 Mbit/s10,100,1000 Mbit/s
Ethernet LAN (RJ-45) ports11
Cabling technologyKnown for oneUnknown — not stated by the source10/100/1000Base-T(X)
Power over Ethernet (PoE)Known for oneUnknown — not stated by the sourceYes
Supported network protocolsDiffersFTP;RTMP;HTTP/HTTPS;DNS;RTSP;SSH;ONVIF;SIP;RTPIPv4, FTP, DNS, RTSP, RTP, TCP, UDP, SIP
Softwareidentical
Operating system installedLinuxLinux
Poweridentical
Outdoor unit power typeKnown for oneUnknown — not stated by the sourceDC
AC adapter output voltage12 V12 V
AC adapter output current2 A2 A
Power consumptionKnown for oneUnknown — not stated by the source100 mA
Power consumption (typical)18 W18 W
Power consumption (standby)5 W5 W
Indoor unit power typeKnown for oneDC/PoEUnknown — not stated by the source
Operational conditions1 differ
Operating relative humidity (H-H)Differs0 - 90%10 - 90%
Operating temperature (T-T)-30 - 60 °C-30 - 60 °C
Weight & dimensions4 differ
WidthDiffers406 mm174.8 mm
DepthDiffers143 mm57.3 mm
HeightDiffers54 mm475.8 mm
WeightDiffers2.3 kg2.2 kg
Packaging dataidentical
Outdoor unit includedKnown for oneUnknown — not stated by the sourceYes
Package weightKnown for oneUnknown — not stated by the source2.67 kg
Indoor unit includedKnown for oneYesUnknown — not stated by the source
Logistics dataidentical
Quantity per packKnown for oneUnknown — not stated by the source1 pc(s)
Minimum order quantityKnown for oneUnknown — not stated by the source1 pc(s)
Technical detailsidentical
Compliance certificatesKnown for oneUnknown — not stated by the sourceCE, Federal Communications Commission (FCC)
Sustainability complianceKnown for oneUnknown — not stated by the sourceYes
CertificationKnown for oneCEUnknown — not stated by the source
Indoor unitidentical
Alarm input channelsKnown for one2Unknown — not stated by the source
RS-485 portsKnown for one1Unknown — not stated by the source

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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