Product comparison · 2 video intercom systems

Dahua Technology VTO6221E-P video intercom system vs Dahua Technology VTO6521K-S2 IP Apartment Door Station

27specifications compared
14differ
13identical
35known for one product only

Key differences

The Dahua Technology VTO6221E-P video intercom system has 43° more viewing angle, horizontal than the Dahua Technology VTO6521K-S2 IP Apartment Door Station (138° vs 95°). The Dahua Technology VTO6221E-P video intercom system has 28° more viewing angle, vertical than the Dahua Technology VTO6521K-S2 IP Apartment Door Station (78° vs 50°). The Dahua Technology VTO6521K-S2 IP Apartment Door Station has 12 W more power consumption (typical) than the Dahua Technology VTO6221E-P video intercom system (18 W vs 6 W). Display diagonal: 5.84 cm (2.3") on the Dahua Technology VTO6221E-P video intercom system, 10.9 cm (4.3") on the Dahua Technology VTO6521K-S2 IP Apartment Door Station. Optical sensor size: 25.4 / 2.9 mm (1 / 2.9") on the Dahua Technology VTO6221E-P video intercom system, 25.4 / 2.8 mm (1 / 2.8") on the Dahua Technology VTO6521K-S2 IP Apartment Door Station.

Display diagonal
- VTO6221E-P video intercom system:5.84 cm (2.3")
- VTO6521K-S2 IP Apartment Door Station:10.9 cm (4.3")
Optical sensor size
- VTO6221E-P 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
- VTO6221E-P video intercom system:138°
- VTO6521K-S2 IP Apartment Door Station:95°
Viewing angle, vertical
- VTO6221E-P video intercom system:78°
- VTO6521K-S2 IP Apartment Door Station:50°
Voice codecs
- VTO6221E-P video intercom system:G.711
- VTO6521K-S2 IP Apartment Door Station:G.711a, G.711u, PCM
Product colour
- VTO6221E-P video intercom system:Aluminium
- VTO6521K-S2 IP Apartment Door Station:Stainless steel
Power consumption (typical)
- VTO6221E-P video intercom system:6 W
- VTO6521K-S2 IP Apartment Door Station:18 W
Operating relative humidity (H-H)
- VTO6221E-P video intercom system:20 - 95%
- VTO6521K-S2 IP Apartment Door Station:0 - 90%

Side by side

Differences highlightedShow differences only

Comparison of VTO6221E-P, VTO6521K-S2
62 specifications	A Dahua Technology VTO6221E-P video intercom system Model VTO6221E-P View product	B Dahua Technology VTO6521K-S2 IP Apartment Door Station Model VTO6521K-S2 View product
Featuresidentical
ColourKnown for one	Yes	Unknown — not stated by the source
Number of displays supportedKnown for one	1	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
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	TCP/IP	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
Display1 differ
Display diagonalDiffers	5.84 cm (2.3")	10.9 cm (4.3")
Display technologyKnown for one	OLED	Unknown — not stated by the source
Video formats supportedKnown for one	H.264	Unknown — not stated by the source
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
Camera3 differ
Optical sensor sizeDiffers	25.4 / 2.9 mm (1 / 2.9")	25.4 / 2.8 mm (1 / 2.8")
Viewing angle, horizontalDiffers	138°	95°
Viewing angle, verticalDiffers	78°	50°
Supported video modesKnown for one	Unknown — not stated by the source	720p, 1080p
Maximum frame rateKnown for one	Unknown — not stated by the source	25 fps
Audio1 differ
Voice codecsDiffers	G.711	G.711a, G.711u, PCM
Design1 differ
Product colourDiffers	Aluminium	Stainless steel
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	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
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	Unknown — not stated by the source
Supported network protocolsDiffers	TCP/IP	FTP;RTMP;HTTP/HTTPS;DNS;RTSP;SSH;ONVIF;SIP;RTP
Power1 differ
Outdoor unit power typeKnown for one	DC	Unknown — not stated by the source
Power consumption (typical)Differs	6 W	18 W
Indoor unit power typeKnown for one	Unknown — not stated by the source	DC/PoE
Power consumption (standby)Known for one	Unknown — not stated by the source	5 W
Operational conditions2 differ
Operating relative humidity (H-H)Differs	20 - 95%	0 - 90%
Operating temperature (T-T)Differs	-40 - 60 °C	-30 - 60 °C
Weight & dimensions4 differ
WidthDiffers	98 mm	406 mm
DepthDiffers	32 mm	143 mm
HeightDiffers	200 mm	54 mm
WeightDiffers	1.5 kg	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
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
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 VTO6221E-P video intercom system vs Dahua Technology VTO6521K-S2 IP Apartment Door Station

Key differences

Side by side

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