Product comparison · 2 video intercom systems

Dahua Technology KTA04 video intercom system vs Dahua Technology VTO6521K-S2 IP Apartment Door Station

17specifications compared
12differ
5identical
34known for one product only

Key differences

The Dahua Technology VTO6521K-S2 IP Apartment Door Station has 0.7 MP more megapixel (approx.) than the Dahua Technology KTA04 video intercom system (2 MP vs 1.3 MP). The Dahua Technology VTO6521K-S2 IP Apartment Door Station has 25° more viewing angle, horizontal than the Dahua Technology KTA04 video intercom system (95° vs 70°). The Dahua Technology VTO6521K-S2 IP Apartment Door Station has 10° more viewing angle, vertical than the Dahua Technology KTA04 video intercom system (50° vs 40°). Display resolution: 480 x 272 pixels on the Dahua Technology KTA04 video intercom system, 800 x 480 pixels on the Dahua Technology VTO6521K-S2 IP Apartment Door Station. Product colour: Silver, White on the Dahua Technology KTA04 video intercom system, Stainless steel on the Dahua Technology VTO6521K-S2 IP Apartment Door Station.

Display resolution
- KTA04 video intercom system:480 x 272 pixels
- VTO6521K-S2 IP Apartment Door Station:800 x 480 pixels
Megapixel (approx.)
- KTA04 video intercom system:1.3 MP
- VTO6521K-S2 IP Apartment Door Station:2 MP
Viewing angle, horizontal
- KTA04 video intercom system:70°
- VTO6521K-S2 IP Apartment Door Station:95°
Viewing angle, vertical
- KTA04 video intercom system:40°
- VTO6521K-S2 IP Apartment Door Station:50°
Product colour
- KTA04 video intercom system:Silver, White
- VTO6521K-S2 IP Apartment Door Station:Stainless steel
Indoor unit power type
- KTA04 video intercom system:DC
- VTO6521K-S2 IP Apartment Door Station:DC/PoE
Operating temperature (T-T)
- KTA04 video intercom system:-10 - 55 °C
- VTO6521K-S2 IP Apartment Door Station:-30 - 60 °C
Width
- KTA04 video intercom system:136 mm
- VTO6521K-S2 IP Apartment Door Station:406 mm

Side by side

Differences highlightedShow differences only

Comparison of KTA04, VTO6521K-S2
51 specifications	A Dahua Technology KTA04 video intercom system Model KTA04 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
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
Display1 differ
Display resolutionDiffers	480 x 272 pixels	800 x 480 pixels
Display technologyKnown for one	TFT	Unknown — not stated by the source
Wide Dynamic Range (WDR)Known for one	Yes	Unknown — not stated by the source
Camera3 differ
Megapixel (approx.)Differs	1.3 MP	2 MP
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 rateKnown for one	Unknown — not stated by the source	25 fps
Viewing angle, horizontalDiffers	70°	95°
Viewing angle, verticalDiffers	40°	50°
Day/night modeKnown for one	Yes	Unknown — not stated by the source
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	Silver, White	Stainless steel
International Protection (IP) codeKnown for one	Unknown — not stated by the source	IP65
Outdoor unit housing materialKnown for one	Plastic	Unknown — not stated by the source
Control typeKnown for one	Buttons, Touch	Unknown — not stated by the source
LED indicatorsKnown for one	Power	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
Battery voltageKnown for one	12 V	Unknown — not stated by the source
Operational conditions1 differ
Operating relative humidity (H-H)Known for one	Unknown — not stated by the source	0 - 90%
Operating temperature (T-T)Differs	-10 - 55 °C	-30 - 60 °C
Weight & dimensions4 differ
WidthDiffers	136 mm	406 mm
DepthDiffers	140 mm	143 mm
HeightDiffers	18.3 mm	54 mm
WeightDiffers	160 g	2.3 kg
Door station dimensions (WxDxH)Known for one	131.45 x 46 x 33.8 mm	Unknown — not stated by the source
Packaging dataidentical
Outdoor unit includedKnown for one	Yes	Unknown — not stated by the source
Technical details1 differ
CertificationDiffers	CE/FCC	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 KTA04 video intercom system vs Dahua Technology VTO6521K-S2 IP Apartment Door Station

Key differences

Side by side

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