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Product comparison · 2 video intercom systems

Dahua Technology VTO2101E-P-S2 video intercom system vs Dahua Technology VTO6521H video intercom system

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  • 37specifications compared
  • 16differ
  • 21identical
  • 39known for one product only

Key differences

The Dahua Technology VTO6521H video intercom system has 33.79° more viewing angle, horizontal than the Dahua Technology VTO2101E-P-S2 video intercom system (113.79° vs 80°). The Dahua Technology VTO6521H video intercom system has 21.5° more viewing angle, vertical than the Dahua Technology VTO2101E-P-S2 video intercom system (61.5° vs 40°). The Dahua Technology VTO6521H video intercom system has 13 W more power consumption (typical) than the Dahua Technology VTO2101E-P-S2 video intercom system (18 W vs 5 W). Optical sensor size: 25.4 / 2.8 mm (1 / 2.8") on the Dahua Technology VTO2101E-P-S2 video intercom system, 25.4 / 2.7 mm (1 / 2.7") on the Dahua Technology VTO6521H video intercom system. Voice codecs: G.711a, G.711u, PCM on the Dahua Technology VTO2101E-P-S2 video intercom system, G.711u on the Dahua Technology VTO6521H 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
    • 80°
    • 113.79°
  • Viewing angle, vertical
    • 40°
    • 61.5°
  • Voice codecs
    • G.711a, G.711u, PCM
    • G.711u
  • Product colour
    • Black
    • Silver
  • Control type
    • Buttons
    • Buttons, Touch
  • Power consumption (typical)
    • 5 W
    • 18 W
  • Power consumption (standby)
    • 2.5 W
    • 5 W

Side by side

Differences highlightedShow differences only
76 specifications
A

Dahua Technology

VTO2101E-P-S2 video intercom system

Model VTO2101E-P-S2

View product
B

Dahua Technology

VTO6521H video intercom system

Model VTO6521H

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 controlYesYes
Built-in microphoneYesYes
Door station controlYesYes
Motion detection functionKnown for oneYes
VoIP protocolsKnown for oneSIP, P2P, IPv4, FTP, UPnP, DNS, DDNS, RTSP, RTP, TCP, UDP
Wall mountableYesYes
Echo cancellationKnown for oneYes
Number of buttonsKnown for one1 buttons
Streaming capabilityKnown for oneYes
White balanceKnown for oneAuto
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
Wide Dynamic Range (WDR)Known for oneYes
Camera3 differ
Megapixel (approx.)2 MP2 MP
Supported video modes720p, 1080p720p, 1080p
Sensor typeCMOSCMOS
Optical sensor sizeDiffers25.4 / 2.8 mm (1 / 2.8")25.4 / 2.7 mm (1 / 2.7")
Maximum frame rate30 fps30 fps
Viewing angle, horizontalDiffers80°113.79°
Viewing angle, verticalDiffers40°61.5°
Day/night modeKnown for oneYes
Field of view (FOV) angleKnown for one90°
Audio1 differ
Built-in speaker(s)YesYes
Noise-cancelingKnown for oneYes
Voice codecsDiffersG.711a, G.711u, PCMG.711u
Number of speakersKnown for one1
Design3 differ
Product colourDiffersBlackSilver
International Protection (IP) codeIP65IP65
Control typeDiffersButtonsButtons, Touch
Housing materialDiffersAluminium, ZincAcrylonitrile butadiene styrene (ABS), Polycarbonate (PC)
Placement supportedVerticalVertical
Proper useOutdoorOutdoor
IK codeKnown for oneIK10
Storageidentical
Memory card slotKnown for oneYes
Maximum memory card sizeKnown for one4 GB
Included memory card sizeKnown for one1 GB
Compatible memory cardsKnown for oneSD
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)YesYes
Supported network protocolsDiffersRTSP; DNS; P2P; UPnP; RTP; RTMP; SIP; SSH; HTTP/HTTPS; ONVIFSIP, P2P, IPv4, FTP, UPnP, DNS, DDNS, RTSP, RTP, TCP, UDP
Softwareidentical
Operating system installedKnown for oneLinux
Power2 differ
Indoor 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)Differs5 W18 W
Power consumption (standby)Differs2.5 W5 W
Outdoor unit power typeKnown for oneDC/PoE
Operational conditions1 differ
Operating relative humidity (H-H)10 - 90%10 - 90%
Operating temperature (T-T)Differs-40 - 60 °C-30 - 60 °C
Weight & dimensions4 differ
WidthDiffers73 mm145 mm
DepthDiffers55 mm41.9 mm
HeightDiffers163 mm389 mm
WeightDiffers300 g1.4 kg
Packaging data1 differ
Outdoor unit includedYesYes
Package weightDiffers800 g1.68 kg
Indoor unit includedKnown for oneNo
Logistics dataidentical
Quantity per pack1 pc(s)1 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 oneCE, FCC
Night visionidentical
Night visionKnown for oneYes
LED typeKnown for oneIR
Outdoor unitidentical
RS-485 ports (transmitter)Known for one1

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