My custom-built, easily transportable parabolic antenna immediately sprang to ... so testing the range of a WiFi connection or the gain of an antenna isn’t easy. Ideally, I would head out ...

Over time the speed and range has increased ... to use a metal strainer as a parabolic reflector, to capture signals and focus them onto the PCB antenna in a USB WiFi dongle.

Also called a "dish" or "mirror," parabolic antennas are used for satellite signals and planetary telescopes. The reflective mirror design can also emit energy such as in a flashlight or ...