Product comparison · 2 video intercom systems

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

30specifications compared
8differ
22identical
35known for one product only

Key differences

The Dahua Technology VTO6521K video intercom system has 5 fps more maximum frame rate than the Dahua Technology VTO6521K-S2 IP Apartment Door Station (30 fps vs 25 fps). The Dahua Technology VTO6521K-S2 IP Apartment Door Station has 8.6° more viewing angle, horizontal than the Dahua Technology VTO6521K video intercom system (95° vs 86.4°). The Dahua Technology VTO6521K-S2 IP Apartment Door Station has 3.8° more viewing angle, vertical than the Dahua Technology VTO6521K video intercom system (50° vs 46.2°).

Maximum frame rate
- VTO6521K video intercom system:30 fps
- VTO6521K-S2 IP Apartment Door Station:25 fps
Viewing angle, horizontal
- VTO6521K video intercom system:86.4°
- VTO6521K-S2 IP Apartment Door Station:95°
Viewing angle, vertical
- VTO6521K video intercom system:46.2°
- VTO6521K-S2 IP Apartment Door Station:50°
Operating relative humidity (H-H)
- VTO6521K video intercom system:10 - 90%
- VTO6521K-S2 IP Apartment Door Station:0 - 90%
Width
- VTO6521K video intercom system:143 mm
- VTO6521K-S2 IP Apartment Door Station:406 mm
Depth
- VTO6521K video intercom system:54 mm
- VTO6521K-S2 IP Apartment Door Station:143 mm
Height
- VTO6521K video intercom system:406 mm
- VTO6521K-S2 IP Apartment Door Station:54 mm

Side by side

Differences highlightedShow differences only

Comparison of VTO6521K, VTO6521K-S2
65 specifications	A Dahua Technology VTO6521K video intercom system Model VTO6521K 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
Maximum number of cameras supportedKnown for one	1	Unknown — not stated by the source
RFID readerKnown for one	Yes	Unknown — not stated by the source
Fingerprint 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
VoIP protocolsKnown for one	RTSP, DNS, P2P, UPnP, RTP, RTMP, SIP, SSH, HTTP/HTTPS, ONVIF	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
Display technologyKnown for one	LCD	Unknown — not stated by the source
TouchscreenKnown for one	No	Unknown — not stated by the source
Video formats supportedKnown for one	H.264	Unknown — not stated by the source
Camera3 differ
Maximum frame rateDiffers	30 fps	25 fps
Viewing angle, horizontalDiffers	86.4°	95°
Viewing angle, verticalDiffers	46.2°	50°
Designidentical
IK codeKnown for one	IK08	Unknown — not stated by the source
Control typeKnown for one	Buttons	Unknown — not stated by the source
Housing materialKnown for one	Stainless steel	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
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
Supported network protocolsDiffers	RTSP, DNS, P2P, UPnP, RTP, RTMP, SIP, SSH, HTTP/HTTPS, ONVIF	FTP;RTMP;HTTP/HTTPS;DNS;RTSP;SSH;ONVIF;SIP;RTP
Poweridentical
Outdoor unit power typeKnown for one	DC	Unknown — not stated by the source
Power consumptionKnown for one	200 mA	Unknown — not stated by the source
Indoor unit power typeKnown for one	Unknown — not stated by the source	DC/PoE
Operational conditions1 differ
Operating relative humidity (H-H)Differs	10 - 90%	0 - 90%
Weight & dimensions3 differ
WidthDiffers	143 mm	406 mm
DepthDiffers	54 mm	143 mm
HeightDiffers	406 mm	54 mm
WeightKnown for one	Unknown — not stated by the source	2.3 kg
Packaging dataidentical
Outdoor unit includedKnown for one	Yes	Unknown — not stated by the source
Package weightKnown for one	2.05 kg	Unknown — not stated by the source
Indoor unit includedKnown for one	Unknown — not stated by the source	Yes
Logistics dataidentical
Quantity per packKnown for one	1 pc(s)	Unknown — not stated by the source
Minimum order quantityKnown for one	1 pc(s)	Unknown — not stated by the source
Technical detailsidentical
Compliance certificatesKnown for one	CE, Federal Communications Commission (FCC)	Unknown — not stated by the source
Sustainability complianceKnown for one	Yes	Unknown — not stated by the source
CertificationKnown for one	Unknown — not stated by the source	CE
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 VTO6521K video intercom system vs Dahua Technology VTO6521K-S2 IP Apartment Door Station

Key differences

Side by side

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