Short for Global System for Mobile Communications, one of the leading digital cellular systems. GSM uses narrowband TDMA, which allows eight simultaneous calls on the same radio frequency.
GSM was first introduced in 1991. As of the end of 1997, GSM service was available in more than 100 countries and has become the de facto standard in Europe and Asia.
Wireless Design Online Excellent resource for those involved in the design and development of wireless communications systems and equipment. Includes news items, a Web resource center, discussion forums, and buyer's guides.
