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Product comparison · 2 video intercom systems

Dahua Technology DHI-VTH5221D video intercom system vs Dahua Technology VTO7521G video intercom system

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  • 25specifications compared
  • 16differ
  • 9identical
  • 44known for one product only

Key differences

The Dahua Technology DHI-VTH5221D video intercom system has 30 more maximum cameras supported than the Dahua Technology VTO7521G video intercom system (32 vs 2). The Dahua Technology VTO7521G video intercom system has 17 W more power consumption (typical) than the Dahua Technology DHI-VTH5221D video intercom system (24 W vs 7 W). The Dahua Technology DHI-VTH5221D video intercom system has 70 mm more width than the Dahua Technology VTO7521G video intercom system (215 mm vs 145 mm). Only the Dahua Technology VTO7521G video intercom system has speakerphone. Only the Dahua Technology VTO7521G video intercom system has outdoor unit included.

  • Connectivity technology
    • Wired & Wireless
    • Wired
  • Maximum number of cameras supported
    • 32
    • 2
  • Speakerphone
    • No
    • Yes
  • Display diagonal
    • 17.8 cm (7")
    • 20.3 cm (8")
  • Display technology
    • TFT
    • IPS
  • Display resolution
    • 1024 x 600 pixels
    • 800 x 1280 pixels
  • Product colour
    • Black
    • Grey
  • Ethernet interface type
    • Fast Ethernet
    • Gigabit Ethernet

Side by side

Differences highlightedShow differences only
69 specifications
A

Dahua Technology

DHI-VTH5221D video intercom system

Model DHI-VTH5221D

View product
B

Dahua Technology

VTO7521G video intercom system

Model VTO7521G

View product
Features3 differ
Connectivity technologyDiffersWired & WirelessWired
ColourYesYes
Number of displays supported11
Maximum number of cameras supportedDiffers322
SpeakerphoneDiffersNoYes
RFID readerKnown for oneYes
Fingerprint readerKnown for oneYes
Automatic gain controlKnown for oneYes
Built-in microphoneKnown for oneYes
Door station controlKnown for oneYes
Motion detection functionKnown for oneYes
VoIP protocolsKnown for oneIPv4, FTP, DNS, RTSP, RTP, TCP, UDP, SIP
Wall mountableYesYes
Display3 differ
Display diagonalDiffers17.8 cm (7")20.3 cm (8")
Display technologyDiffersTFTIPS
Display resolutionDiffers1024 x 600 pixels800 x 1280 pixels
TouchscreenYesYes
Touchscreen typeCapacitiveCapacitive
Backlight displayKnown for oneYes
Cameraidentical
Megapixel (approx.)Known for one2 MP
Sensor typeKnown for oneCMOS
Optical sensor sizeKnown for one25.4 / 2.8 mm (1 / 2.8")
Viewing angle, horizontalKnown for one88°
Viewing angle, verticalKnown for one47°
Audioidentical
Built-in speaker(s)Known for oneYes
Noise-cancelingKnown for oneYes
Voice codecsKnown for oneG.711
Design1 differ
Product colourDiffersBlackGrey
IK codeKnown for oneIK07
International Protection (IP) codeKnown for oneIP66
Control typeTouchTouch
Housing materialKnown for oneAcrylonitrile butadiene styrene (ABS), Aluminium, Polycarbonate (PC)
Placement supportedKnown for oneVertical
Proper useKnown for oneOutdoor
Network4 differ
Ethernet interface typeDiffersFast EthernetGigabit Ethernet
Ethernet LAN data ratesDiffers10,100 Mbit/s10,100,1000 Mbit/s
Ethernet LAN (RJ-45) portsKnown for one1
Cabling technologyDiffers10/100Base-T(X)10/100/1000Base-T(X)
Power over Ethernet (PoE)YesYes
Supported network protocolsDiffersTCP/IPIPv4, FTP, DNS, RTSP, RTP, TCP, UDP, SIP
Wi-FiKnown for oneYes
Wi-Fi standardsKnown for one802.11b, 802.11g
Networking standardsKnown for oneIEEE 802.11b, IEEE 802.11g
Power1 differ
Indoor unit power typeDCDC
AC adapter output voltageKnown for one12 V
AC adapter output currentKnown for one2 A
Power consumptionKnown for one100 mA
Power consumption (typical)Differs7 W24 W
Power consumption (standby)Known for one1 W
Operational conditionsidentical
Operating relative humidity (H-H)10 - 90%10 - 90%
Operating temperature (T-T)Known for one-20 - 60 °C
Main monitor station operating temperature (T-T)Known for one-10 - 55 °C
Weight & dimensions3 differ
WidthDiffers215 mm145 mm
DepthDiffers21 mm43 mm
HeightDiffers140 mm389 mm
WeightKnown for one800 g
Packaging data1 differ
Outdoor unit includedDiffersNoYes
Package widthKnown for one182 mm
Package depthKnown for one104 mm
Package heightKnown for one413 mm
Package weightKnown for one1.91 kg
Indoor unit includedKnown for oneYes
Logistics dataidentical
Quantity per packKnown for one1 pc(s)
Minimum order quantityKnown for one1 pc(s)
Storageidentical
Memory card slotKnown for oneYes
Compatible memory cardsKnown for oneMicroSD (TransFlash)
Maximum memory card sizeKnown for one32 GB
Softwareidentical
Operating system installedKnown for oneLinux
Technical detailsidentical
CertificationKnown for oneFCC CFR 47 Part 15 subpart BANSI C63.4 - 2009EN 55022:2010, EN 55024:2010, EN 50130-4:2011, EN 61000-6-3:2007, EN 61000-3-2:2006+A1:2009EN 61000-3-3:2008, IEC 61000-4-2:2008, IEC 61000-4-3:2010, IEC 61000-4-4:2012, IEC 61000-4-5:2005, IEC 61000-4-6:2008, IEC 61000-4-8:2009, IEC 61000-4-11:2004 UL 60

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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