IP cameras Comparison: VIOTRAN, D-Link (4)

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	VIOTRAN HLC-83M	D-Link DCS-2102	D-Link DCS-1100	D-Link DCS-3411
Contact manufacturer	Contact	Contact	Contact	Contact
Chip Inch Size	1/4	1/4	1/4	1/4
Resolution	1280 x 1024	1024 x 768	--	640 x 480
Digital (DSP)	✔	✔	--	--
Specialist Type	Network	Network	Network	Network
Sensitivity Lux	1.5 @ F2.0	0.5	1	--
Motion Activated	✔	--	✔	✔
Focal Length mm	4.0	5.01	5.01	--
Colour Type	--	Colour	Colour / Monochrome	Colour / Monochrome
Voltage	--	100 ~ 240 V AC	100 ~ 240 V AC	12 V DC
Auto Gain Control	--	✔	✔	--
White Balance	--	✔	✔	--
S/ N (Signal/ Noise) Ratio dB	--	50	40	58
Auto Iris	--	--	--	✔
Lens Mount	--	--	--	CS
Image Frame Rate	--	--	--	30 fps
Electronic Shutter Range	--	--	--	1/50 ~1/100,000 sec
Signal Mode	--	--	--	PAL, NTSC

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