Product comparison · 2 video intercom systems

Dahua Technology VTH1520A video intercom system vs Dahua Technology VTO6521K-S2 IP Apartment Door Station

16specifications compared
11differ
5identical
34known for one product only

Key differences

The Dahua Technology VTO6521K-S2 IP Apartment Door Station has 11 W more power consumption (typical) than the Dahua Technology VTH1520A video intercom system (18 W vs 7 W). The Dahua Technology VTO6521K-S2 IP Apartment Door Station has 3.5 W more power consumption (standby) than the Dahua Technology VTH1520A video intercom system (5 W vs 1.5 W). The Dahua Technology VTH1520A video intercom system has 10 - 90% more operating relative humidity (H-H) than the Dahua Technology VTO6521K-S2 IP Apartment Door Station (10 - 90% vs 0 - 90%). Display diagonal: 17.8 cm (7") on the Dahua Technology VTH1520A video intercom system, 10.9 cm (4.3") on the Dahua Technology VTO6521K-S2 IP Apartment Door Station. Voice codecs: G.711 on the Dahua Technology VTH1520A video intercom system, G.711a, G.711u, PCM on the Dahua Technology VTO6521K-S2 IP Apartment Door Station.

Display diagonal
- VTH1520A video intercom system:17.8 cm (7")
- VTO6521K-S2 IP Apartment Door Station:10.9 cm (4.3")
Voice codecs
- VTH1520A video intercom system:G.711
- VTO6521K-S2 IP Apartment Door Station:G.711a, G.711u, PCM
Product colour
- VTH1520A video intercom system:White
- VTO6521K-S2 IP Apartment Door Station:Stainless steel
Power consumption (typical)
- VTH1520A video intercom system:7 W
- VTO6521K-S2 IP Apartment Door Station:18 W
Power consumption (standby)
- VTH1520A video intercom system:1.5 W
- VTO6521K-S2 IP Apartment Door Station:5 W
Operating relative humidity (H-H)
- VTH1520A video intercom system:10 - 90%
- VTO6521K-S2 IP Apartment Door Station:0 - 90%
Width
- VTH1520A video intercom system:221.2 mm
- VTO6521K-S2 IP Apartment Door Station:406 mm
Depth
- VTH1520A video intercom system:25.8 mm
- VTO6521K-S2 IP Apartment Door Station:143 mm

Side by side

Differences highlightedShow differences only

Comparison of VTH1520A, VTO6521K-S2
50 specifications	A Dahua Technology VTH1520A video intercom system Model VTH1520A View product	B Dahua Technology VTO6521K-S2 IP Apartment Door Station Model VTO6521K-S2 View product
Featuresidentical
SpeakerphoneKnown for one	Unknown — not stated by the source	Yes
Echo cancellationKnown for one	Unknown — not stated by the source	Yes
ColourKnown for one	Yes	Unknown — not stated by the source
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
Display1 differ
Display diagonalDiffers	17.8 cm (7")	10.9 cm (4.3")
Display technologyKnown for one	LCD/TFT	Unknown — not stated by the source
Cameraidentical
Megapixel (approx.)Known for one	Unknown — not stated by the source	2 MP
Supported video modesKnown for one	Unknown — not stated by the source	720p, 1080p
Sensor typeKnown for one	Unknown — not stated by the source	CMOS
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, horizontalKnown for one	Unknown — not stated by the source	95°
Viewing angle, verticalKnown for one	Unknown — not stated by the source	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	White	Stainless steel
International Protection (IP) codeKnown for one	Unknown — not stated by the source	IP65
Smartphone supportKnown for one	Yes	Unknown — not stated by the source
Control typeKnown for one	Buttons	Unknown — not stated by the source
Proper useKnown for one	Indoor & outdoor	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
Network1 differ
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 protocolsDiffers	TCP/IP	FTP;RTMP;HTTP/HTTPS;DNS;RTSP;SSH;ONVIF;SIP;RTP
Cabling technologyKnown for one	10/100Base-T(X)	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 currentKnown for one	Unknown — not stated by the source	2 A
Power consumption (typical)Differs	7 W	18 W
Power consumption (standby)Differs	1.5 W	5 W
Operational conditions1 differ
Operating relative humidity (H-H)Differs	10 - 90%	0 - 90%
Operating temperature (T-T)Known for one	Unknown — not stated by the source	-30 - 60 °C
Main monitor station operating temperature (T-T)Known for one	-10 - 55 °C	Unknown — not stated by the source
Weight & dimensions4 differ
WidthDiffers	221.2 mm	406 mm
DepthDiffers	25.8 mm	143 mm
HeightDiffers	154.3 mm	54 mm
WeightDiffers	800 g	2.3 kg
Technical detailsidentical
CertificationKnown for one	Unknown — not stated by the source	CE
Storageidentical
Memory card slotKnown for one	Yes	Unknown — not stated by the source
Compatible memory cardsKnown for one	MicroSD (TransFlash)	Unknown — not stated by the source
Maximum memory card sizeKnown for one	4 GB	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 VTH1520A video intercom system vs Dahua Technology VTO6521K-S2 IP Apartment Door Station

Key differences

Side by side

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