Product comparison · 2 video intercom systems

Dahua Technology VTO4202F-P-S3 video intercom system vs Dahua Technology VTO6521K-S2 IP Apartment Door Station

27specifications compared
13differ
14identical
38known for one product only

Key differences

The Dahua Technology VTO4202F-P-S3 video intercom system has 73.6° more viewing angle, horizontal than the Dahua Technology VTO6521K-S2 IP Apartment Door Station (168.6° vs 95°). The Dahua Technology VTO4202F-P-S3 video intercom system has 37.1° more viewing angle, vertical than the Dahua Technology VTO6521K-S2 IP Apartment Door Station (87.1° vs 50°). The Dahua Technology VTO6521K-S2 IP Apartment Door Station has 13 W more power consumption (typical) than the Dahua Technology VTO4202F-P-S3 video intercom system (18 W vs 5 W). Only the Dahua Technology VTO6521K-S2 IP Apartment Door Station has indoor unit included. Optical sensor size: 25.4 / 2.9 mm (1 / 2.9") on the Dahua Technology VTO4202F-P-S3 video intercom system, 25.4 / 2.8 mm (1 / 2.8") on the Dahua Technology VTO6521K-S2 IP Apartment Door Station.

Optical sensor size
- VTO4202F-P-S3 video intercom system:25.4 / 2.9 mm (1 / 2.9")
- VTO6521K-S2 IP Apartment Door Station:25.4 / 2.8 mm (1 / 2.8")
Viewing angle, horizontal
- VTO4202F-P-S3 video intercom system:168.6°
- VTO6521K-S2 IP Apartment Door Station:95°
Viewing angle, vertical
- VTO4202F-P-S3 video intercom system:87.1°
- VTO6521K-S2 IP Apartment Door Station:50°
Product colour
- VTO4202F-P-S3 video intercom system:Silver
- VTO6521K-S2 IP Apartment Door Station:Stainless steel
Operating system installed
- VTO4202F-P-S3 video intercom system:Embedded LINUX
- VTO6521K-S2 IP Apartment Door Station:Linux
Power consumption (typical)
- VTO4202F-P-S3 video intercom system:5 W
- VTO6521K-S2 IP Apartment Door Station:18 W
Power consumption (standby)
- VTO4202F-P-S3 video intercom system:4 W
- VTO6521K-S2 IP Apartment Door Station:5 W
Operating relative humidity (H-H)
- VTO4202F-P-S3 video intercom system:10 - 90%
- VTO6521K-S2 IP Apartment Door Station:0 - 90%

Side by side

Differences highlightedShow differences only

Comparison of VTO4202F-P-S3, VTO6521K-S2
65 specifications	A Dahua Technology VTO4202F-P-S3 video intercom system Model VTO4202F-P-S3 View product	B Dahua Technology VTO6521K-S2 IP Apartment Door Station Model VTO6521K-S2 View product
Featuresidentical
Built-in microphoneKnown for one	Yes	Unknown — not stated by the source
Door station controlKnown for one	Yes	Unknown — not stated by the source
Streaming capabilityKnown for one	Yes	Unknown — not stated by the source
Wall mountableKnown for one	Yes	Unknown — not stated by the source
Echo cancellationKnown for one	Unknown — not stated by the source	Yes
Displayidentical
Wide Dynamic Range (WDR)Known for one	Yes	Unknown — not stated by the source
Display diagonalKnown for one	Unknown — not stated by the source	10.9 cm (4.3")
Display resolutionKnown for one	Unknown — not stated by the source	800 x 480 pixels
Night visionidentical
Night visionKnown for one	Yes	Unknown — not stated by the source
LED typeKnown for one	IR	Unknown — not stated by the source
Camera3 differ
Maximum video resolutionKnown for one	1920 x 1080 pixels	Unknown — not stated by the source
Optical sensor sizeDiffers	25.4 / 2.9 mm (1 / 2.9")	25.4 / 2.8 mm (1 / 2.8")
Day/night modeKnown for one	Yes	Unknown — not stated by the source
Field of view (FOV) angleKnown for one	176.7°	Unknown — not stated by the source
Viewing angle, diagonalKnown for one	176.7°	Unknown — not stated by the source
Viewing angle, horizontalDiffers	168.6°	95°
Viewing angle, verticalDiffers	87.1°	50°
Audioidentical
Number of speakersKnown for one	1	Unknown — not stated by the source
Noise-cancelingKnown for one	Unknown — not stated by the source	Yes
Design1 differ
Product colourDiffers	Silver	Stainless steel
IK codeKnown for one	IK07	Unknown — not stated by the source
Control typeKnown for one	Buttons	Unknown — not stated by the source
Housing materialKnown for one	Aluminium	Unknown — not stated by the source
Placement supportedKnown for one	Vertical	Unknown — not stated by the source
Proper useKnown for one	Outdoor	Unknown — not stated by the source
Storageidentical
Memory card slotKnown for one	Yes	Unknown — not stated by the source
Compatible memory cardsKnown for one	MicroSD (TransFlash)	Unknown — not stated by the source
Maximum memory card sizeKnown for one	256 GB	Unknown — not stated by the source
Outdoor unitidentical
RS-485 ports (transmitter)Known for one	1	Unknown — not stated by the source
Network1 differ
Power over Ethernet (PoE)Known for one	Yes	Unknown — not stated by the source
Supported network protocolsDiffers	IPv4; RTSP; UDP; DNS; P2P; UPnP; RTP; TCP; SIP	FTP;RTMP;HTTP/HTTPS;DNS;RTSP;SSH;ONVIF;SIP;RTP
Software1 differ
Operating system installedDiffers	Embedded LINUX	Linux
Management featuresidentical
Web-based managementKnown for one	Yes	Unknown — not stated by the source
Power2 differ
Outdoor unit power typeKnown for one	DC/PoE	Unknown — not stated by the source
Power consumption (typical)Differs	5 W	18 W
Power consumption (standby)Differs	4 W	5 W
Indoor unit power typeKnown for one	Unknown — not stated by the source	DC/PoE
AC adapter output voltageKnown for one	Unknown — not stated by the source	12 V
AC adapter output currentKnown for one	Unknown — not stated by the source	2 A
Operational conditions1 differ
Operating relative humidity (H-H)Differs	10 - 90%	0 - 90%
Storage temperature (T-T)Known for one	0 - 40 °C	Unknown — not stated by the source
Weight & dimensions3 differ
WidthDiffers	100 mm	406 mm
DepthDiffers	49.4 mm	143 mm
HeightDiffers	100 mm	54 mm
WeightKnown for one	Unknown — not stated by the source	2.3 kg
Packaging data1 differ
Indoor unit includedDiffers	No	Yes
Outdoor unit includedKnown for one	Yes	Unknown — not stated by the source
Package weightKnown for one	430 g	Unknown — not stated by the source
Logistics dataidentical
Quantity per packKnown for one	1 pc(s)	Unknown — not stated by the source
Indoor unitidentical
Alarm input channelsKnown for one	Unknown — not stated by the source	2
RS-485 portsKnown for one	Unknown — not stated by the source	1

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.

Dahua Technology VTO4202F-P-S3 video intercom system vs Dahua Technology VTO6521K-S2 IP Apartment Door Station

Key differences

Side by side

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