waveguide
- n a hollow metal conductor that provides a path to guide microwaves; used in radar
- But by changing the position of the dangling waveguide that feeds radio energy from above, it can be swung electronically 20 north or south of vertical.
- Private company based in Meylan, France CEO: Antoine Kevorkian What it does: Produces highly compact fiber-network components, such as Erbium-doped waveguide amplifiers.
- Commercial antennas can be used to extend the range, but hot-spot enthusiasts prefer to make their own waveguide antennas or "cantennas"--so nicknamed because the simplest of them .