Powerline networking, using existing electrical wiring, has been around for many years. Indeed, over the years, some video surveillance providers have offered it as an alternative to coax, category cable and wireless. However, it has never really taken off.
Now Comtrend, adopting a more recent powerline standard, is promoting powerline networking specifically for video surveillance use. Indeed, the company's PG-9172 Series offers a range of video-appealing features like PoE, multi-adapter networking, and even support for coax cameras:
But how does powerline work, and is Comtrend's product a good alternative to running network cables? We examine product claims and identify strengths and weaknesses inside.