Product comparison · 2 video intercom systems

Dahua Technology DHI-KTW01 video intercom system vs Dahua Technology VTO6521K-S2 IP Apartment Door Station

19specifications compared
11differ
8identical
29known for one product only

Key differences

The Dahua Technology DHI-KTW01 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-KTW01 video intercom system has 30° more viewing angle, horizontal than the Dahua Technology VTO6521K-S2 IP Apartment Door Station (125° vs 95°). The Dahua Technology DHI-KTW01 video intercom system has 22° more viewing angle, vertical than the Dahua Technology VTO6521K-S2 IP Apartment Door Station (72° vs 50°). Connectivity technology: Wired & Wireless on the Dahua Technology DHI-KTW01 video intercom system, Wired on the Dahua Technology VTO6521K-S2 IP Apartment Door Station. Display diagonal: 17.8 cm (7") on the Dahua Technology DHI-KTW01 video intercom system, 10.9 cm (4.3") on the Dahua Technology VTO6521K-S2 IP Apartment Door Station.

Connectivity technology
- DHI-KTW01 video intercom system:Wired & Wireless
- VTO6521K-S2 IP Apartment Door Station:Wired
Display diagonal
- DHI-KTW01 video intercom system:17.8 cm (7")
- VTO6521K-S2 IP Apartment Door Station:10.9 cm (4.3")
Display resolution
- DHI-KTW01 video intercom system:1024 x 600 pixels
- VTO6521K-S2 IP Apartment Door Station:800 x 480 pixels
Maximum frame rate
- DHI-KTW01 video intercom system:30 fps
- VTO6521K-S2 IP Apartment Door Station:25 fps
Viewing angle, horizontal
- DHI-KTW01 video intercom system:125°
- VTO6521K-S2 IP Apartment Door Station:95°
Viewing angle, vertical
- DHI-KTW01 video intercom system:72°
- VTO6521K-S2 IP Apartment Door Station:50°
Product colour
- DHI-KTW01 video intercom system:Black, White
- VTO6521K-S2 IP Apartment Door Station:Stainless steel
Power consumption (typical)
- DHI-KTW01 video intercom system:7 W
- VTO6521K-S2 IP Apartment Door Station:18 W

Side by side

Differences highlightedShow differences only

Comparison of DHI-KTW01, VTO6521K-S2
48 specifications	A Dahua Technology DHI-KTW01 video intercom system Model DHI-KTW01 View product	B Dahua Technology VTO6521K-S2 IP Apartment Door Station Model VTO6521K-S2 View product
Features1 differ
Connectivity technologyDiffers	Wired & Wireless	Wired
Echo cancellationKnown for one	Unknown — not stated by the source	Yes
ColourKnown for one	Yes	Unknown — not stated by the source
Frequency bandKnown for one	2.4 GHz	Unknown — not stated by the source
Motion detection functionKnown for one	Yes	Unknown — not stated by the source
Display2 differ
Display diagonalDiffers	17.8 cm (7")	10.9 cm (4.3")
Display resolutionDiffers	1024 x 600 pixels	800 x 480 pixels
Display technologyKnown for one	TFT	Unknown — not stated by the source
Camera3 differ
Supported video modesKnown for one	Unknown — not stated by the source	720p, 1080p
Optical sensor sizeKnown for one	Unknown — not stated by the source	25.4 / 2.8 mm (1 / 2.8")
Maximum frame rateDiffers	30 fps	25 fps
Viewing angle, horizontalDiffers	125°	95°
Viewing angle, verticalDiffers	72°	50°
Audioidentical
Built-in speaker(s)Known for one	Unknown — not stated by the source	Yes
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
Design1 differ
Product colourDiffers	Black, White	Stainless steel
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 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
Wi-FiKnown for one	Yes	Unknown — not stated by the source
Wi-Fi standardsKnown for one	802.11b, 802.11g, Wi-Fi 4 (802.11n)	Unknown — not stated by the source
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
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	1 W	5 W
Operational conditions1 differ
Operating relative humidity (H-H)Differs	10 - 90%	0 - 90%
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
Packaging dataidentical
Outdoor unit includedKnown for one	Yes	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
LED typeKnown for one	IR	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 DHI-KTW01 video intercom system vs Dahua Technology VTO6521K-S2 IP Apartment Door Station

Key differences

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