Product comparison · 2 video intercom systems

Dahua Technology VTO4202F-PI1 video intercom system vs Dahua Technology VTO6521K-S2 IP Apartment Door Station

29specifications compared
15differ
14identical
32known for one product only

Key differences

The Dahua Technology VTO4202F-PI1 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-PI1 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 VTO4202F-PI1 video intercom system has 36 V more AC adapter output voltage than the Dahua Technology VTO6521K-S2 IP Apartment Door Station (48 V vs 12 V). Optical sensor size: 25.4 / 2.9 mm (1 / 2.9") on the Dahua Technology VTO4202F-PI1 video intercom system, 25.4 / 2.8 mm (1 / 2.8") on the Dahua Technology VTO6521K-S2 IP Apartment Door Station. Product colour: Silver on the Dahua Technology VTO4202F-PI1 video intercom system, Stainless steel on the Dahua Technology VTO6521K-S2 IP Apartment Door Station.

Optical sensor size
- VTO4202F-PI1 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-PI1 video intercom system:168.6°
- VTO6521K-S2 IP Apartment Door Station:95°
Viewing angle, vertical
- VTO4202F-PI1 video intercom system:87.1°
- VTO6521K-S2 IP Apartment Door Station:50°
Product colour
- VTO4202F-PI1 video intercom system:Silver
- VTO6521K-S2 IP Apartment Door Station:Stainless steel
AC adapter output voltage
- VTO4202F-PI1 video intercom system:48 V
- VTO6521K-S2 IP Apartment Door Station:12 V
AC adapter output current
- VTO4202F-PI1 video intercom system:1 A
- VTO6521K-S2 IP Apartment Door Station:2 A
Power consumption (typical)
- VTO4202F-PI1 video intercom system:12 W
- VTO6521K-S2 IP Apartment Door Station:18 W
Power consumption (standby)
- VTO4202F-PI1 video intercom system:4 W
- VTO6521K-S2 IP Apartment Door Station:5 W

Side by side

Differences highlightedShow differences only

Comparison of VTO4202F-PI1, VTO6521K-S2
61 specifications	A Dahua Technology VTO4202F-PI1 video intercom system Model VTO4202F-PI1 View product	B Dahua Technology VTO6521K-S2 IP Apartment Door Station Model VTO6521K-S2 View product
Featuresidentical
ColourKnown for one	No	Unknown — not stated by the source
RFID readerKnown for one	Yes	Unknown — not stated by the source
Automatic gain controlKnown for one	Yes	Unknown — not stated by the source
Built-in microphoneKnown for one	Yes	Unknown — not stated by the source
Door station controlKnown for one	Yes	Unknown — not stated by the source
Motion detection functionKnown for one	Yes	Unknown — not stated by the source
Number of buttonsKnown for one	1 buttons	Unknown — not stated by the source
VoIP protocolsKnown for one	UDP; TCP; IPv4; DNS; RTSP; UPnP; SIP; P2P; RTP	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
Video formats supportedKnown for one	H.265, H.264	Unknown — not stated by the source
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
Optical sensor sizeDiffers	25.4 / 2.9 mm (1 / 2.9")	25.4 / 2.8 mm (1 / 2.8")
Viewing angle, horizontalDiffers	168.6°	95°
Viewing angle, verticalDiffers	87.1°	50°
Design1 differ
Product colourDiffers	Silver	Stainless steel
Control typeKnown for one	Buttons	Unknown — not stated by the source
Housing materialKnown for one	Polycarbonate (PC)	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
Network1 differ
Cabling technologyKnown for one	10/100Base-T(X)	Unknown — not stated by the source
Power over Ethernet (PoE)Known for one	Yes	Unknown — not stated by the source
Networking standardsKnown for one	IEEE 802.3af, IEEE 802.3at	Unknown — not stated by the source
Supported network protocolsDiffers	UDP; TCP; IPv4; DNS; RTSP; UPnP; SIP; P2P; RTP	FTP;RTMP;HTTP/HTTPS;DNS;RTSP;SSH;ONVIF;SIP;RTP
Power4 differ
Outdoor unit power typeKnown for one	DC	Unknown — not stated by the source
AC adapter output voltageDiffers	48 V	12 V
AC adapter output currentDiffers	1 A	2 A
Power consumption (typical)Differs	12 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
Operational conditions2 differ
Operating relative humidity (H-H)Differs	10 - 90%	0 - 90%
Operating temperature (T-T)Differs	-40 - 60 °C	-30 - 60 °C
Storage temperature (T-T)Known for one	0 - 40 °C	Unknown — not stated by the source
Weight & dimensions4 differ
WidthDiffers	100 mm	406 mm
DepthDiffers	100 mm	143 mm
HeightDiffers	49.9 mm	54 mm
WeightDiffers	450 g	2.3 kg
Packaging dataidentical
Outdoor unit includedKnown for one	Yes	Unknown — not stated by the source
Indoor unit includedKnown for one	Unknown — not stated by the source	Yes
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
Technical detailsidentical
CertificationKnown for one	Unknown — not stated by the source	CE

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-PI1 video intercom system vs Dahua Technology VTO6521K-S2 IP Apartment Door Station

Key differences

Side by side

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