Global System for Mobile communication Digital mobile telecommunication network system.

Personal Computer  

Asynchronous Transfer Mode Dedicated connection switching technology. ATM is one of the main technologies behind ISDN.

Short Message Services Messaging service commonly used on GSM networks.

Bluetooth Wireless protocol for peripherals and input devices over short distances.

Digital Versatile Disc Successor of the CD (in its various formats) with enough storage space needed for a movie.

File extension for MPEG audio layer 3 files. MP3 is a 'lossy' compression technology for compressing sound into very small files. The file size is about 1/10 (depending on compression rate) of the original file, with practically no audible loss.

Wide Area Network A communications network that covers a wide geographic area, such as state or country.

Body Area Network (Wireless) network connecting miscellaneous medical monitoring devices, area = 1.5 m

Local Area Network