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Product comparison · 2 video intercom systems

Dahua Technology VTH2421FW-P video intercom system vs Dahua Technology VTO6521H-D video intercom system

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  • 23specifications compared
  • 15differ
  • 8identical
  • 46known for one product only

Key differences

The Dahua Technology VTO6521H-D video intercom system has 12 W more power consumption (typical) than the Dahua Technology VTH2421FW-P video intercom system (18 W vs 6 W). The Dahua Technology VTO6521H-D video intercom system has 1 W more power consumption (standby) than the Dahua Technology VTH2421FW-P video intercom system (5 W vs 4 W). The Dahua Technology VTH2421FW-P video intercom system has 76 mm more width than the Dahua Technology VTO6521H-D video intercom system (221.5 mm vs 145.5 mm). Only the Dahua Technology VTO6521H-D video intercom system has outdoor unit included. Display diagonal: 17.8 cm (7") on the Dahua Technology VTH2421FW-P video intercom system, 10.9 cm (4.3") 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
  • Display resolution
    • 1024 x 600 pixels
    • 800 x 480 pixels
  • Voice codecs
    • G.711a, G.711u, PCM
    • G.711u
  • Product colour
    • Black, White
    • Silver
  • Power consumption (typical)
    • 6 W
    • 18 W
  • Power consumption (standby)
    • 4 W
    • 5 W
  • Operating relative humidity (H-H)
    • 10 - 95%
    • 10 - 90%

Side by side

Differences highlightedShow differences only
69 specifications
A

Dahua Technology

VTH2421FW-P video intercom system

Model VTH2421FW-P

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
SpeakerphoneYesYes
RFID readerKnown for oneYes
Fingerprint readerKnown for oneYes
Automatic gain controlKnown for oneYes
Built-in microphoneYesYes
Door station controlKnown for oneYes
Motion detection functionKnown for oneYes
VoIP protocolsKnown for oneSIP, P2P, IPv4, FTP, UPnP, DNS, DDNS, RTSP, RTP, TCP, UDP
Wall mountableYesYes
ColourKnown for oneYes
Video codecsKnown for oneH.264
Display3 differ
Display diagonalDiffers17.8 cm (7")10.9 cm (4.3")
Display technologyDiffersLCD/TFTIPS
Display resolutionDiffers1024 x 600 pixels800 x 480 pixels
Video formats supportedKnown for oneH.264
TouchscreenKnown for oneYes
Touchscreen typeKnown for oneCapacitive
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.711a, G.711u, PCMG.711u
Speaker powerKnown for one1.5 W
Design1 differ
Product colourDiffersBlack, WhiteSilver
International Protection (IP) codeKnown for oneIP65
Control typeKnown for oneButtons, Touch
Housing materialKnown for oneAcrylonitrile butadiene styrene (ABS), Polycarbonate (PC)
Placement supportedKnown for oneVertical
Proper useKnown for oneOutdoor
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 technologyKnown for one10/100Base-T(X)
Power over Ethernet (PoE)Known for oneYes
Supported network protocolsDiffersTCP/IPSIP, P2P, IPv4, FTP, UPnP, DNS, DDNS, RTSP, RTP, TCP, UDP
Networking standardsKnown for oneIEEE 802.3af
Softwareidentical
Operating system installedKnown for oneLinux
Power2 differ
Outdoor unit power typeKnown for oneDC
AC adapter output voltageKnown for one12 V
AC adapter output currentKnown for one2 A
Power consumptionKnown for one100 mA
Power consumption (typical)Differs6 W18 W
Power consumption (standby)Differs4 W5 W
Indoor unit power typeKnown for oneDC
Operational conditions2 differ
Operating relative humidity (H-H)Differs10 - 95%10 - 90%
Operating temperature (T-T)Differs-10 - 55 °C-30 - 60 °C
Weight & dimensions4 differ
WidthDiffers221.5 mm145.5 mm
DepthDiffers21.5 mm43.5 mm
HeightDiffers119.6 mm388.5 mm
WeightDiffers350 g1 kg
Packaging data1 differ
Outdoor unit includedDiffersNoYes
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
CertificationKnown for oneEN 60950-1:2006 + A11:2009 + A1:2010 + A12:2011 + A2:2013 IEC 60950-1:2005 (Second Edition); Am1:2009 + Am2:2013 FCC CFR 47 Part 15 subpart B EN 55032:2015; EN 610003 2:2014; EN 61000 3 3:2013; EN 55024:2010/A1:2015; EN 55035:2017; EN 50130 4:2011/A1:2014

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