All categories
Phones & WearablesView all 31

Departments

Phones & WearablesComputers & TabletsComponents & StorageNetworkingPrinting & OfficePower & ChargingTV, Audio & VideoGaming, Toys & RobotsKitchen AppliancesHome AppliancesPersonal Care & HealthSmart Home & SecurityCar & MobilityTools & GardenCameras & Photo

Shopping country

Browse

All categoriesCompare products

Product comparison · 2 video intercom systems

Dahua Technology DHI-VTO3211D-P2-S1 video intercom system vs Dahua Technology VTO6521F video intercom system

Add a product
  • 32specifications compared
  • 12differ
  • 20identical
  • 35known for one product only

Key differences

The Dahua Technology DHI-VTO3211D-P2-S1 video intercom system has 20.21° more viewing angle, horizontal than the Dahua Technology VTO6521F video intercom system (134° vs 113.79°). The Dahua Technology DHI-VTO3211D-P2-S1 video intercom system has 33.3° more viewing angle, vertical than the Dahua Technology VTO6521F video intercom system (94.8° vs 61.5°). The Dahua Technology VTO6521F video intercom system has 12 W more power consumption (typical) than the Dahua Technology DHI-VTO3211D-P2-S1 video intercom system (18 W vs 6 W). Optical sensor size: 25.4 / 2.8 mm (1 / 2.8") on the Dahua Technology DHI-VTO3211D-P2-S1 video intercom system, 25.4 / 2.7 mm (1 / 2.7") on the Dahua Technology VTO6521F video intercom system. Voice codecs: G.711 on the Dahua Technology DHI-VTO3211D-P2-S1 video intercom system, G.711u on the Dahua Technology VTO6521F video intercom system.

  • Optical sensor size
    • 25.4 / 2.8 mm (1 / 2.8")
    • 25.4 / 2.7 mm (1 / 2.7")
  • Viewing angle, horizontal
    • 134°
    • 113.79°
  • Viewing angle, vertical
    • 94.8°
    • 61.5°
  • Voice codecs
    • G.711
    • G.711u
  • Product colour
    • Grey
    • Silver
  • IK code
    • IK08
    • IK07
  • Power consumption (typical)
    • 6 W
    • 18 W
  • Width
    • 101 mm
    • 145 mm

Side by side

Differences highlightedShow differences only
67 specifications
A

Dahua Technology

DHI-VTO3211D-P2-S1 video intercom system

Model DHI-VTO3211D-P2-S1

View product
B

Dahua Technology

VTO6521F video intercom system

Model VTO6521F

View product
Featuresidentical
Number of displays supportedKnown for one1
Maximum number of cameras supportedKnown for one1
Fingerprint readerKnown for oneYes
Automatic gain controlKnown for oneYes
Door station controlKnown for oneYes
Motion detection functionKnown for oneYes
VoIP protocolsKnown for oneSIP, P2P, IPv4, FTP, UPnP, DNS, DDNS, RTSP, RTP, TCP, UDP
ColourKnown for oneYes
Number of buttonsKnown for one2 buttons
Video codecsKnown for oneH.264
Displayidentical
Display diagonalKnown for one10.9 cm (4.3")
Display technologyKnown for oneIPS
Display resolutionKnown for one800 x 480 pixels
Video formats supportedKnown for oneH.264
Camera3 differ
Supported video modesKnown for one720p, 1080p
Optical sensor sizeDiffers25.4 / 2.8 mm (1 / 2.8")25.4 / 2.7 mm (1 / 2.7")
Maximum frame rateKnown for one30 fps
Viewing angle, horizontalDiffers134°113.79°
Viewing angle, verticalDiffers94.8°61.5°
Field of view (FOV) angleKnown for one151°
Audio1 differ
Noise-cancelingKnown for oneYes
Voice codecsDiffersG.711G.711u
Design2 differ
Product colourDiffersGreySilver
IK codeDiffersIK08IK07
Housing materialKnown for oneAluminium
Placement supportedKnown for oneVertical
Outdoor unit housing materialKnown for oneZinc alloy
Storageidentical
Memory card slotKnown for oneYes
Maximum memory card sizeKnown for one4 GB
Included memory card sizeKnown for one1 GB
Network1 differ
Ethernet LAN (RJ-45) portsKnown for one1
Supported network protocolsDiffersTCP/IPSIP, P2P, IPv4, FTP, UPnP, DNS, DDNS, RTSP, RTP, TCP, UDP
Power1 differ
AC adapter output voltageKnown for one12 V
AC adapter output currentKnown for one2 A
Power consumption (typical)Differs6 W18 W
Power consumption (standby)Known for one5 W
Weight & dimensions4 differ
WidthDiffers101 mm145 mm
DepthDiffers30 mm41.9 mm
HeightDiffers182 mm389 mm
WeightDiffers800 g1.4 kg
Packaging dataidentical
Package weightKnown for one1.68 kg
Indoor unit includedKnown for oneNo
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
Night visionidentical
Night visionKnown 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.

More video intercom system comparisons

All video intercom system comparisons