Entrance/exit to a communications network; electronic
repeater device that intercepts and guides
electrical signals from one network to another;
filters out unwanted noise.
Global Positioning System (GPS)
A US satellite system that lets those on the ground,
on the water or in the air determine their position
with extreme accuracy using GPS receivers.
Global System for Mobiles (GSM)
The most mature digital wireless standard, usually
referred to as the European digital standard.
GUI
Graphical User Interface - a computer user interface
that uses graphical representation instead of
characters; makes the interface easier and more
intuitive to use.
