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Product comparison · 2 video intercom systems

Dahua Technology VTO2101E-P-S2 video intercom system vs Dahua Technology VTO6521F video intercom system

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  • 39specifications compared
  • 17differ
  • 22identical
  • 35known for one product only

Key differences

The Dahua Technology VTO6521F 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 VTO6521F 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 VTO6521F 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 VTO6521F 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 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
    • 80°
    • 113.79°
  • Viewing angle, vertical
    • 40°
    • 61.5°
  • Voice codecs
    • G.711a, G.711u, PCM
    • G.711u
  • Product colour
    • Black
    • Silver
  • IK code
    • IK10
    • IK07
  • Housing material
    • Aluminium, Zinc
    • Aluminium
  • Outdoor unit power type
    • DC/PoE
    • DC

Side by side

Differences highlightedShow differences only
74 specifications
A

Dahua Technology

VTO2101E-P-S2 video intercom system

Model VTO2101E-P-S2

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
RFID readerKnown for oneYes
Fingerprint readerKnown for oneYes
Motion detection functionKnown for oneYes
VoIP protocolsKnown for oneSIP, P2P, IPv4, FTP, UPnP, DNS, DDNS, RTSP, RTP, TCP, UDP
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
Optical sensor sizeDiffers25.4 / 2.8 mm (1 / 2.8")25.4 / 2.7 mm (1 / 2.7")
Viewing angle, horizontalDiffers80°113.79°
Viewing angle, verticalDiffers40°61.5°
Day/night modeKnown for oneYes
Field of view (FOV) angleKnown for one90°
Audio1 differ
Noise-cancelingKnown for oneYes
Voice codecsDiffersG.711a, G.711u, PCMG.711u
Number of speakersKnown for one1
Design3 differ
Product colourDiffersBlackSilver
IK codeDiffersIK10IK07
Housing materialDiffersAluminium, ZincAluminium
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
Cabling technologyKnown for one10/100Base-T(X)
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
Power3 differ
Outdoor unit power typeDiffersDC/PoEDC
AC adapter output voltageKnown for one12 V
AC adapter output currentKnown for one2 A
Power consumption (typical)Differs5 W18 W
Power consumption (standby)Differs2.5 W5 W
Operational conditions1 differ
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
Package weightDiffers800 g1.68 kg
Indoor unit includedKnown for oneNo
Logistics dataidentical
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

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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