SDI

A Practical Guide To HD-CCTV

Everything you need to know about Analog and Digital HD-CCTV, well practically everything. Understanding the practical difference between CVI, TVI, AHD, SDI, EX/SDI and IP (Megapixel) can be a bit confusing to say the least, so in short we?re going to make it as easy as we can for you. This article will cover everything you need to know about the differences between ANALOG and DIGITAL HD-CCTV systems, how they work, differ in image quality, and how you can upgrade your current system using the appropriate technology to suit your needs and budget.