Product comparison · 2 video intercom systems

Dahua Technology VTO2101E-P-S1 video intercom system vs Dahua Technology VTO6521K-S2 IP Apartment Door Station

22specifications compared
14differ
8identical
27known for one product only

Key differences

The Dahua Technology VTO6521K-S2 IP Apartment Door Station has 18° more viewing angle, horizontal than the Dahua Technology VTO2101E-P-S1 video intercom system (95° vs 77°). The Dahua Technology VTO2101E-P-S1 video intercom system has 5° more viewing angle, vertical than the Dahua Technology VTO6521K-S2 IP Apartment Door Station (55° vs 50°). The Dahua Technology VTO6521K-S2 IP Apartment Door Station has 11 W more power consumption (typical) than the Dahua Technology VTO2101E-P-S1 video intercom system (18 W vs 7 W). Optical sensor size: 25.4 / 2.7 mm (1 / 2.7") on the Dahua Technology VTO2101E-P-S1 video intercom system, 25.4 / 2.8 mm (1 / 2.8") on the Dahua Technology VTO6521K-S2 IP Apartment Door Station. Voice codecs: G.711 on the Dahua Technology VTO2101E-P-S1 video intercom system, G.711a, G.711u, PCM on the Dahua Technology VTO6521K-S2 IP Apartment Door Station.

Optical sensor size
- VTO2101E-P-S1 video intercom system:25.4 / 2.7 mm (1 / 2.7")
- VTO6521K-S2 IP Apartment Door Station:25.4 / 2.8 mm (1 / 2.8")
Viewing angle, horizontal
- VTO2101E-P-S1 video intercom system:77°
- VTO6521K-S2 IP Apartment Door Station:95°
Viewing angle, vertical
- VTO2101E-P-S1 video intercom system:55°
- VTO6521K-S2 IP Apartment Door Station:50°
Voice codecs
- VTO2101E-P-S1 video intercom system:G.711
- VTO6521K-S2 IP Apartment Door Station:G.711a, G.711u, PCM
Product colour
- VTO2101E-P-S1 video intercom system:Black
- VTO6521K-S2 IP Apartment Door Station:Stainless steel
Ethernet LAN data rates
- VTO2101E-P-S1 video intercom system:10,100,1000 Mbit/s
- VTO6521K-S2 IP Apartment Door Station:10,100 Mbit/s
Power consumption (typical)
- VTO2101E-P-S1 video intercom system:7 W
- VTO6521K-S2 IP Apartment Door Station:18 W
Power consumption (standby)
- VTO2101E-P-S1 video intercom system:2.5 W
- VTO6521K-S2 IP Apartment Door Station:5 W

Side by side

Differences highlightedShow differences only

Comparison of VTO2101E-P-S1, VTO6521K-S2
49 specifications	A Dahua Technology VTO2101E-P-S1 video intercom system Model VTO2101E-P-S1 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
ColourKnown 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
White balanceKnown for one	Auto, Manual	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
Camera3 differ
Supported video modesKnown for one	Unknown — not stated by the source	720p, 1080p
Optical sensor sizeDiffers	25.4 / 2.7 mm (1 / 2.7")	25.4 / 2.8 mm (1 / 2.8")
Maximum frame rateKnown for one	Unknown — not stated by the source	25 fps
Viewing angle, horizontalDiffers	77°	95°
Viewing angle, verticalDiffers	55°	50°
Audio1 differ
Noise-cancelingKnown for one	Unknown — not stated by the source	Yes
Voice codecsDiffers	G.711	G.711a, G.711u, PCM
Design1 differ
Product colourDiffers	Black	Stainless steel
Housing materialKnown for one	Aluminium, Zinc	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
Network2 differ
Ethernet LAN data ratesDiffers	10,100,1000 Mbit/s	10,100 Mbit/s
Ethernet LAN (RJ-45) portsKnown for one	Unknown — not stated by the source	1
Supported network protocolsDiffers	TCP/IP, SIP	FTP;RTMP;HTTP/HTTPS;DNS;RTSP;SSH;ONVIF;SIP;RTP
Cabling technologyKnown for one	10/100Base-T(X)	Unknown — not stated by the source
Networking standardsKnown for one	IEEE 802.3af	Unknown — not stated by the source
Softwareidentical
Operating system installedKnown for one	Unknown — not stated by the source	Linux
Power2 differ
Indoor unit power typeKnown for one	Unknown — not stated by the source	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)Differs	7 W	18 W
Power consumption (standby)Differs	2.5 W	5 W
Outdoor unit power typeKnown for one	DC	Unknown — not stated by the source
Operational conditions1 differ
Operating relative humidity (H-H)Differs	10 - 90%	0 - 90%
Weight & dimensions4 differ
WidthDiffers	73 mm	406 mm
DepthDiffers	54.5 mm	143 mm
HeightDiffers	163 mm	54 mm
WeightDiffers	800 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
Technical detailsidentical
CertificationKnown for one	Unknown — not stated by the source	CE
Night visionidentical
Night visionKnown for one	Yes	Unknown — not stated by the source
Night vision distanceKnown for one	5 m	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 VTO2101E-P-S1 video intercom system vs Dahua Technology VTO6521K-S2 IP Apartment Door Station

Key differences

Side by side

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