Product comparison · 2 video intercom systems

Dahua Technology DHI-VTO2111D-P-S3 video intercom system vs Dahua Technology VTO6521K-S2 IP Apartment Door Station

28specifications compared
13differ
15identical
29known for one product only

Key differences

The Dahua Technology DHI-VTO2111D-P-S3 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 DHI-VTO2111D-P-S3 video intercom system has 12° more viewing angle, horizontal than the Dahua Technology VTO6521K-S2 IP Apartment Door Station (107° vs 95°). The Dahua Technology DHI-VTO2111D-P-S3 video intercom system has 10° more viewing angle, vertical than the Dahua Technology VTO6521K-S2 IP Apartment Door Station (60° vs 50°). Display diagonal: 17.8 cm (7") on the Dahua Technology DHI-VTO2111D-P-S3 video intercom system, 10.9 cm (4.3") on the Dahua Technology VTO6521K-S2 IP Apartment Door Station. Display resolution: 1024 x 600 pixels on the Dahua Technology DHI-VTO2111D-P-S3 video intercom system, 800 x 480 pixels on the Dahua Technology VTO6521K-S2 IP Apartment Door Station.

Display diagonal
- DHI-VTO2111D-P-S3 video intercom system:17.8 cm (7")
- VTO6521K-S2 IP Apartment Door Station:10.9 cm (4.3")
Display resolution
- DHI-VTO2111D-P-S3 video intercom system:1024 x 600 pixels
- VTO6521K-S2 IP Apartment Door Station:800 x 480 pixels
Maximum frame rate
- DHI-VTO2111D-P-S3 video intercom system:30 fps
- VTO6521K-S2 IP Apartment Door Station:25 fps
Viewing angle, horizontal
- DHI-VTO2111D-P-S3 video intercom system:107°
- VTO6521K-S2 IP Apartment Door Station:95°
Viewing angle, vertical
- DHI-VTO2111D-P-S3 video intercom system:60°
- VTO6521K-S2 IP Apartment Door Station:50°
Product colour
- DHI-VTO2111D-P-S3 video intercom system:Black
- VTO6521K-S2 IP Apartment Door Station:Stainless steel
Ethernet LAN (RJ-45) ports
- DHI-VTO2111D-P-S3 video intercom system:6
- VTO6521K-S2 IP Apartment Door Station:1
Operating system installed
- DHI-VTO2111D-P-S3 video intercom system:Embedded LINUX
- VTO6521K-S2 IP Apartment Door Station:Linux

Side by side

Differences highlightedShow differences only

Comparison of DHI-VTO2111D-P-S3, VTO6521K-S2
57 specifications	A Dahua Technology DHI-VTO2111D-P-S3 video intercom system Model DHI-VTO2111D-P-S3 View product	B Dahua Technology VTO6521K-S2 IP Apartment Door Station Model VTO6521K-S2 View product
Featuresidentical
Connectivity technology	Wired	Wired
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
Speakerphone	Yes	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
Wall mountableKnown for one	Yes	Unknown — not stated by the source
Echo cancellationKnown for one	Unknown — not stated by the source	Yes
Display2 differ
Display diagonalDiffers	17.8 cm (7")	10.9 cm (4.3")
Display technologyKnown for one	TFT	Unknown — not stated by the source
Display resolutionDiffers	1024 x 600 pixels	800 x 480 pixels
TouchscreenKnown for one	Yes	Unknown — not stated by the source
Touchscreen typeKnown for one	Capacitive	Unknown — not stated by the source
Wide Dynamic Range (WDR)Known for one	Yes	Unknown — not stated by the source
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
Megapixel (approx.)	2 MP	2 MP
Supported video modes	720p, 1080p	720p, 1080p
Sensor type	CMOS	CMOS
Optical sensor size	25.4 / 2.8 mm (1 / 2.8")	25.4 / 2.8 mm (1 / 2.8")
Day/night modeKnown for one	Yes	Unknown — not stated by the source
Maximum frame rateDiffers	30 fps	25 fps
Viewing angle, diagonalKnown for one	122°	Unknown — not stated by the source
Viewing angle, horizontalDiffers	107°	95°
Viewing angle, verticalDiffers	60°	50°
Audioidentical
Built-in speaker(s)	Yes	Yes
Voice codecs	G.711a, G.711u, PCM	G.711a, G.711u, PCM
Noise-cancelingKnown for one	Unknown — not stated by the source	Yes
Design1 differ
Product colourDiffers	Black	Stainless steel
International Protection (IP) code	IP65	IP65
Housing materialKnown for one	Acrylonitrile butadiene styrene (ABS), 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	SD	Unknown — not stated by the source
Maximum memory card sizeKnown for one	8 GB	Unknown — not stated by the source
Indoor unitidentical
RS-485 ports	1	1
Alarm input channelsKnown for one	Unknown — not stated by the source	2
Network2 differ
Ethernet interface type	Fast Ethernet	Fast Ethernet
Ethernet LAN data rates	10,100 Mbit/s	10,100 Mbit/s
Ethernet LAN (RJ-45) portsDiffers	6	1
Power over Ethernet (PoE)Known for one	Yes	Unknown — not stated by the source
Supported network protocolsDiffers	SIP; P2P; IPv4; DNS; RTSP; RTP; TCP; UDP	FTP;RTMP;HTTP/HTTPS;DNS;RTSP;SSH;ONVIF;SIP;RTP
Software1 differ
Operating system installedDiffers	Embedded LINUX	Linux
Power2 differ
Indoor unit power type	DC/PoE	DC/PoE
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	1 W	5 W
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%
Operating temperature (T-T)	-30 - 60 °C	-30 - 60 °C
Packaging dataidentical
Indoor unit included	Yes	Yes
Outdoor unit includedKnown for one	Yes	Unknown — not stated by the source
Technical details1 differ
CertificationDiffers	CE; FCC	CE
Weight & dimensionsidentical
WidthKnown for one	Unknown — not stated by the source	406 mm
DepthKnown for one	Unknown — not stated by the source	143 mm
HeightKnown for one	Unknown — not stated by the source	54 mm
WeightKnown for one	Unknown — not stated by the source	2.3 kg

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 DHI-VTO2111D-P-S3 video intercom system vs Dahua Technology VTO6521K-S2 IP Apartment Door Station

Key differences

Side by side

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