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 VTO3211D-P1-S2 video intercom system vs Dahua Technology VTO3221E-P video intercom system

Add a product
  • 46specifications compared
  • 17differ
  • 29identical
  • 15known for one product only

Key differences

The Dahua Technology VTO3221E-P video intercom system has 11° more viewing angle, horizontal than the Dahua Technology VTO3211D-P1-S2 video intercom system (140° vs 129°). The Dahua Technology VTO3221E-P video intercom system has 8° more viewing angle, vertical than the Dahua Technology VTO3211D-P1-S2 video intercom system (82° vs 74°). The Dahua Technology VTO3221E-P video intercom system has 1 A more AC adapter output current than the Dahua Technology VTO3211D-P1-S2 video intercom system (2 A vs 1 A). Optical sensor size: 25.4 / 2.8 mm (1 / 2.8") on the Dahua Technology VTO3211D-P1-S2 video intercom system, 25.4 / 2.9 mm (1 / 2.9") on the Dahua Technology VTO3221E-P video intercom system. Voice codecs: G.711Mu, G.711u, PCM on the Dahua Technology VTO3211D-P1-S2 video intercom system, G.711 on the Dahua Technology VTO3221E-P video intercom system.

  • Optical sensor size
    • 25.4 / 2.8 mm (1 / 2.8")
    • 25.4 / 2.9 mm (1 / 2.9")
  • Viewing angle, horizontal
    • 129°
    • 140°
  • Viewing angle, vertical
    • 74°
    • 82°
  • Voice codecs
    • G.711Mu, G.711u, PCM
    • G.711
  • Product colour
    • Black, Grey
    • Aluminium
  • Operating system installed
    • Embedded LINUX
    • Linux
  • AC adapter output current
    • 1 A
    • 2 A
  • Power consumption (standby)
    • 1 W
    • 2 W

Side by side

Differences highlightedShow differences only
61 specifications
A

Dahua Technology

VTO3211D-P1-S2 video intercom system

Model VTO3211D-P1-S2

View product
B

Dahua Technology

VTO3221E-P video intercom system

Model VTO3221E-P

View product
Features1 differ
Connectivity technologyWiredWired
ColourNoNo
Maximum number of cameras supported11
SpeakerphoneYesYes
RFID readerYesYes
Built-in microphoneYesYes
Echo cancellationKnown for oneYes
Motion detection functionYesYes
Number of buttonsKnown for one2 buttons
VoIP protocolsDiffersSIP, P2P, IPv4, FTP, UPnP, DNS, DDNS, RTSP, RTP, TCP, UDPTCP/IP
Wall mountableYesYes
Automatic gain controlKnown for oneYes
Door station controlKnown for oneYes
Displayidentical
Video formats supportedH.264H.264
Display diagonalKnown for one5.84 cm (2.3")
Display technologyKnown for oneOLED
TouchscreenKnown for oneNo
Night visionidentical
Night visionYesYes
LED typeKnown for oneIR
Camera3 differ
Megapixel (approx.)2 MP2 MP
Sensor typeCMOSCMOS
Optical sensor sizeDiffers25.4 / 2.8 mm (1 / 2.8")25.4 / 2.9 mm (1 / 2.9")
Field of view (FOV) angleKnown for one147°
Viewing angle, horizontalDiffers129°140°
Viewing angle, verticalDiffers74°82°
Audio1 differ
Built-in speaker(s)YesYes
Voice codecsDiffersG.711Mu, G.711u, PCMG.711
Noise-cancelingKnown for oneYes
Design2 differ
Product colourDiffersBlack, GreyAluminium
IK codeIK08IK08
International Protection (IP) codeIP65IP65
Outdoor unit housing materialKnown for oneAluminium
Control typeButtonsButtons
Housing materialDiffersAluminium, Metal, Polycarbonate (PC)Aluminium
Placement supportedVerticalVertical
Proper useOutdoorOutdoor
Network1 differ
Ethernet interface typeFast EthernetFast Ethernet
Ethernet LAN data rates10,100 Mbit/s10,100 Mbit/s
Ethernet LAN (RJ-45) ports11
Cabling technology10/100Base-T(X)10/100Base-T(X)
Power over Ethernet (PoE)YesYes
Supported network protocolsDiffersSIP, P2P, IPv4, FTP, UPnP, DNS, DDNS, RTSP, RTP, TCP, UDPTCP/IP
Networking standardsKnown for oneIEEE 802.3af
Software1 differ
Operating system installedDiffersEmbedded LINUXLinux
Power2 differ
Outdoor unit power typeDCDC
AC adapter output voltage12 V12 V
AC adapter output currentDiffers1 A2 A
Power consumption (typical)7 W7 W
Power consumption (standby)Differs1 W2 W
Operational conditions2 differ
Operating relative humidity (H-H)Differs10 - 95%20 - 95%
Operating temperature (T-T)Differs-30 - 60 °C-40 - 60 °C
Weight & dimensions4 differ
WidthDiffers101 mm98 mm
DepthDiffers31 mm32 mm
HeightDiffers181 mm200 mm
WeightDiffers660 g1.5 kg
Packaging dataidentical
Indoor unit includedKnown for oneYes
Outdoor unit includedYesYes
Logistics dataidentical
Quantity per pack1 pc(s)1 pc(s)
Minimum order quantity1 pc(s)1 pc(s)
Technical detailsidentical
Compliance certificatesKnown for oneCE, Federal Communications Commission (FCC)
Sustainability complianceKnown 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