Product comparison · 2 video intercom systems

Dahua Technology VTO2111D-P-S2 video intercom system vs Dahua Technology VTO6521K-S2 IP Apartment Door Station

18specifications compared
12differ
6identical
32known for one product only

Key differences

The Dahua Technology VTO6521K-S2 IP Apartment Door Station has 1 MP more megapixel (approx.) than the Dahua Technology VTO2111D-P-S2 video intercom system (2 MP vs 1 MP). The Dahua Technology VTO2111D-P-S2 video intercom system has 10° more viewing angle, horizontal than the Dahua Technology VTO6521K-S2 IP Apartment Door Station (105° vs 95°). The Dahua Technology VTO2111D-P-S2 video intercom system has 75° more viewing angle, vertical than the Dahua Technology VTO6521K-S2 IP Apartment Door Station (125° vs 50°). Optical sensor size: 25.4 / 4 mm (1 / 4") on the Dahua Technology VTO2111D-P-S2 video intercom system, 25.4 / 2.8 mm (1 / 2.8") on the Dahua Technology VTO6521K-S2 IP Apartment Door Station. Product colour: Black on the Dahua Technology VTO2111D-P-S2 video intercom system, Stainless steel on the Dahua Technology VTO6521K-S2 IP Apartment Door Station.

Megapixel (approx.)
- VTO2111D-P-S2 video intercom system:1 MP
- VTO6521K-S2 IP Apartment Door Station:2 MP
Optical sensor size
- VTO2111D-P-S2 video intercom system:25.4 / 4 mm (1 / 4")
- VTO6521K-S2 IP Apartment Door Station:25.4 / 2.8 mm (1 / 2.8")
Viewing angle, horizontal
- VTO2111D-P-S2 video intercom system:105°
- VTO6521K-S2 IP Apartment Door Station:95°
Viewing angle, vertical
- VTO2111D-P-S2 video intercom system:125°
- VTO6521K-S2 IP Apartment Door Station:50°
Product colour
- VTO2111D-P-S2 video intercom system:Black
- VTO6521K-S2 IP Apartment Door Station:Stainless steel
Indoor unit power type
- VTO2111D-P-S2 video intercom system:DC
- VTO6521K-S2 IP Apartment Door Station:DC/PoE
Operating relative humidity (H-H)
- VTO2111D-P-S2 video intercom system:10 - 90%
- VTO6521K-S2 IP Apartment Door Station:0 - 90%
Width
- VTO2111D-P-S2 video intercom system:70.4 mm
- VTO6521K-S2 IP Apartment Door Station:406 mm

Side by side

Differences highlightedShow differences only

Comparison of VTO2111D-P-S2, VTO6521K-S2
50 specifications	A Dahua Technology VTO2111D-P-S2 video intercom system Model VTO2111D-P-S2 View product	B Dahua Technology VTO6521K-S2 IP Apartment Door Station Model VTO6521K-S2 View product
Featuresidentical
Echo cancellationKnown for one	Unknown — not stated by the source	Yes
Built-in microphoneKnown for one	Yes	Unknown — not stated by the source
Door station controlKnown for one	Yes	Unknown — not stated by the source
Number of buttonsKnown for one	1 buttons	Unknown — not stated by the source
Wall mountableKnown for one	Yes	Unknown — not stated by the source
Displayidentical
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
Video formats supportedKnown for one	H.264	Unknown — not stated by the source
Camera4 differ
Megapixel (approx.)Differs	1 MP	2 MP
Supported video modesKnown for one	Unknown — not stated by the source	720p, 1080p
Optical sensor sizeDiffers	25.4 / 4 mm (1 / 4")	25.4 / 2.8 mm (1 / 2.8")
Maximum frame rateKnown for one	Unknown — not stated by the source	25 fps
Viewing angle, horizontalDiffers	105°	95°
Viewing angle, verticalDiffers	125°	50°
Audioidentical
Noise-cancelingKnown for one	Unknown — not stated by the source	Yes
Voice codecsKnown for one	Unknown — not stated by the source	G.711a, G.711u, PCM
Number of speakersKnown for one	1	Unknown — not stated by the source
Design1 differ
Product colourDiffers	Black	Stainless steel
Housing materialKnown for one	Plastic	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
Networkidentical
Ethernet interface typeKnown for one	Unknown — not stated by the source	Fast Ethernet
Ethernet LAN data ratesKnown for one	Unknown — not stated by the source	10,100 Mbit/s
Ethernet LAN (RJ-45) portsKnown for one	Unknown — not stated by the source	1
Supported network protocolsKnown for one	Unknown — not stated by the source	FTP;RTMP;HTTP/HTTPS;DNS;RTSP;SSH;ONVIF;SIP;RTP
Softwareidentical
Operating system installedKnown for one	Unknown — not stated by the source	Linux
Power1 differ
Indoor unit power typeDiffers	DC	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
Power consumption (typical)Known for one	Unknown — not stated by the source	18 W
Power consumption (standby)Known for one	Unknown — not stated by the source	5 W
Operational conditions1 differ
Operating relative humidity (H-H)Differs	10 - 90%	0 - 90%
Weight & dimensions4 differ
WidthDiffers	70.4 mm	406 mm
DepthDiffers	34.4 mm	143 mm
HeightDiffers	135 mm	54 mm
WeightDiffers	326 g	2.3 kg
Packaging dataidentical
Indoor unit includedKnown for one	Unknown — not stated by the source	Yes
Outdoor unit includedKnown for one	Yes	Unknown — not stated by the source
Package weightKnown for one	326 g	Unknown — not stated by the source
Technical details1 differ
CertificationDiffers	CE, FCC, UL	CE
Night visionidentical
Night visionKnown for one	Yes	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	32 GB	Unknown — not stated by the source

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 VTO2111D-P-S2 video intercom system vs Dahua Technology VTO6521K-S2 IP Apartment Door Station

Key differences

Side by side

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