Product comparison · 2 video intercom systems

Dahua Technology KTA04 video intercom system vs Dahua Technology VTH2421FW-P video intercom system

16specifications compared
10differ
6identical
31known for one product only

Key differences

The Dahua Technology VTH2421FW-P video intercom system has 85.5 mm more width than the Dahua Technology KTA04 video intercom system (221.5 mm vs 136 mm). The Dahua Technology KTA04 video intercom system has 118.5 mm more depth than the Dahua Technology VTH2421FW-P video intercom system (140 mm vs 21.5 mm). The Dahua Technology VTH2421FW-P video intercom system has 101.3 mm more height than the Dahua Technology KTA04 video intercom system (119.6 mm vs 18.3 mm). Only the Dahua Technology KTA04 video intercom system has outdoor unit included. Display diagonal: 10.9 cm (4.3") on the Dahua Technology KTA04 video intercom system, 17.8 cm (7") on the Dahua Technology VTH2421FW-P video intercom system.

Display diagonal
- KTA04 video intercom system:10.9 cm (4.3")
- VTH2421FW-P video intercom system:17.8 cm (7")
Display technology
- KTA04 video intercom system:TFT
- VTH2421FW-P video intercom system:LCD/TFT
Display resolution
- KTA04 video intercom system:480 x 272 pixels
- VTH2421FW-P video intercom system:1024 x 600 pixels
Product colour
- KTA04 video intercom system:Silver, White
- VTH2421FW-P video intercom system:Black, White
Width
- KTA04 video intercom system:136 mm
- VTH2421FW-P video intercom system:221.5 mm
Depth
- KTA04 video intercom system:140 mm
- VTH2421FW-P video intercom system:21.5 mm
Height
- KTA04 video intercom system:18.3 mm
- VTH2421FW-P video intercom system:119.6 mm
Weight
- KTA04 video intercom system:160 g
- VTH2421FW-P video intercom system:350 g

Side by side

Differences highlightedShow differences only

Comparison of KTA04, VTH2421FW-P
47 specifications	A Dahua Technology KTA04 video intercom system Model KTA04 View product	B Dahua Technology VTH2421FW-P video intercom system Model VTH2421FW-P View product
Featuresidentical
Connectivity technology	Wired	Wired
Colour	Yes	Yes
Speakerphone	Yes	Yes
Built-in microphoneKnown for one	Unknown — not stated by the source	Yes
Video codecsKnown for one	Unknown — not stated by the source	H.264
Wall mountableKnown for one	Unknown — not stated by the source	Yes
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
Display3 differ
Display diagonalDiffers	10.9 cm (4.3")	17.8 cm (7")
Display technologyDiffers	TFT	LCD/TFT
Display resolutionDiffers	480 x 272 pixels	1024 x 600 pixels
TouchscreenKnown for one	Unknown — not stated by the source	Yes
Touchscreen typeKnown for one	Unknown — not stated by the source	Capacitive
Wide Dynamic Range (WDR)Known for one	Yes	Unknown — not stated by the source
Audioidentical
Built-in speaker(s)Known for one	Unknown — not stated by the source	Yes
Speaker powerKnown for one	Unknown — not stated by the source	1.5 W
Voice codecsKnown for one	Unknown — not stated by the source	G.711a, G.711u, PCM
Design1 differ
Product colourDiffers	Silver, White	Black, White
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
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
Networking standardsKnown for one	Unknown — not stated by the source	IEEE 802.3af
Supported network protocolsKnown for one	Unknown — not stated by the source	TCP/IP
Poweridentical
Indoor unit power type	DC	DC
Power consumption (typical)Known for one	Unknown — not stated by the source	6 W
Power consumption (standby)Known for one	Unknown — not stated by the source	4 W
Battery voltageKnown for one	12 V	Unknown — not stated by the source
Operational conditionsidentical
Operating relative humidity (H-H)Known for one	Unknown — not stated by the source	10 - 95%
Operating temperature (T-T)	-10 - 55 °C	-10 - 55 °C
Weight & dimensions4 differ
WidthDiffers	136 mm	221.5 mm
DepthDiffers	140 mm	21.5 mm
HeightDiffers	18.3 mm	119.6 mm
WeightDiffers	160 g	350 g
Door station dimensions (WxDxH)Known for one	131.45 x 46 x 33.8 mm	Unknown — not stated by the source
Packaging data1 differ
Indoor unit included	Yes	Yes
Outdoor unit includedDiffers	Yes	No
Technical details1 differ
CertificationDiffers	CE/FCC	EN 60950-1:2006 + A11:2009 + A1:2010 + A12:2011 + A2:2013 IEC 60950-1:2005 (Second Edition); Am1:2009 + Am2:2013 FCC CFR 47 Part 15 subpart B EN 55032:2015; EN 610003 2:2014; EN 61000 3 3:2013; EN 55024:2010/A1:2015; EN 55035:2017; EN 50130 4:2011/A1:2014
Night visionidentical
Night visionKnown for one	Yes	Unknown — not stated by the source
LED typeKnown for one	IR	Unknown — not stated by the source
Cameraidentical
Megapixel (approx.)Known for one	1.3 MP	Unknown — not stated by the source
Sensor typeKnown for one	CMOS	Unknown — not stated by the source
Day/night modeKnown for one	Yes	Unknown — not stated by the source
Viewing angle, horizontalKnown for one	70°	Unknown — not stated by the source
Viewing angle, verticalKnown for one	40°	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 VTH2421FW-P video intercom system

Key differences

Side by side

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