After the radio here comes the telecommunication, which includes television and telephones. These technologies and sciences have been developed a lot during the years. As a result we have better quality and reduced sizes of the equipment. Most of the devices work on plug and play principle. Some of them need a little configuring.
If you have difficulties with some devices of this kind, be free to contact me for help. Watch out for your internet security for most of the modern devices, which can be easily reached. Take a look at the sidebar and the pages for interesting things.