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Technical Knowhow

Delve deeper into the essential technologies on which IP Surveillance solutions are built. This collection of technical resources will enable you to better understand the key features and benefits so you can evaluate and choose the right products for your specific needs.

Auto Surveillance VLAN

Learn how D-Link's Auto Surveillance technology allows you to easily add a reliable IP Surveillance network into an existing data network.

Wide Dynamic Range

Learn how Wide Dynamic Range (WDR) technology can outsmart tricky lighting conditions and help ensure optimal image quality.


Learn how advances in CMOS technology are driving cost and performance benefits for today's IP surveillance cameras.

High Definition

Learn more about High Definition (HD) technology and how it enables today's IP cameras to capture exceptional image detail and at least three times more data per camera than traditional CCTV cameras.


Thanks to Infrared (IR) technology, today's IP cameras can seize high-quality colour images - day or night. Learn more about this essential technology.


ONVIF is a not-for-profit organisation whose mission is to create a global standard for the interface of IP-based physical security products.