In the dead zone

Wolfgang Waldner

Directional Antenna for LTE- / 5G broadband connection

If you are on the edge of cellular coverage, it is often possible to establish a data connection, e.g. with an LTE / 5G router with a...

Wolfgang Waldner

Broadband versus narrowband connections

The term broadband connection is generally understood to mean a data connection with a high throughput rate. This can be established via...

Wolfgang Waldner

PMR - radios

Personal Mobile Radio PMR radios are popular, and not without reason. The devices work at approx. 446 MHz (thus in the UHF range). They...

Wolfgang Waldner

Cable connections

Large amounts of data can be transported over dozens of kilometers using modern fiber optic cables with little signal loss. With the...

Wolfgang Waldner

Field telephone

If only one voice connection is required, old field telephones can be used sensibly. Under favorable conditions (good cable, no...

Wolfgang Waldner

Shortwave radio communication

Shortwave connections cannot guarantee a 100% connection due to the changing propagation conditions. Nevertheless, such devices are still...

Wolfgang Waldner

"Dom" satellite antenna

What looks a bit like a camping grill in the picture is a portable satellite antenna. A small parabolic antenna is installed under the...