Analogue High Definition-H (AHD-H) intercoms by Slinex

For many years, there has been limited innovation in analogue intercom systems that significantly improved the consumer experience. Of course, the most important feature of a video intercom is the quality of the video image.

The most common video transmission quality for intercom systems has historically been “D1” (720 by 576 resolution), which is basically good enough to see whom is behind the door, but is not sharp and in a world of high definition televisions and smart-phones, looks a bit outdated. ...