Wireless Glossary (G)

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GAIT (GSM ANSI-136 Interoperability Team) a technology that enables GSM and TDMA networks to interoperate.

General Packet Radio Service see GPRS.

GHz (Gigahertz) 1 billion hertz in the frequency spectrum.

Gigahertz see GHz.

Glass Mount a type of antenna which can be mounted on a window without drilling holes.

Global Positioning System see GPS.

Global Roaming the ability to make and receive calls and send and receive SMS while you travel overseas with your regular cell phone number.

Global System for Mobile Communications see GSM.

GPRS (General Packet Radio Service) a next generation (2.5G) technology standard for high-speed data transmission over GSM networks. GPRS sends data over packets rather than via circuit switch connections on cellular networks which allows for “always on” wireless data connections and speeds up to 115Kbps.

GPS (Global Positioning System) a system of 24 satellites, computers, and receivers that is able to determine the latitude and longitude of a receiver on Earth. By triangulation of signals from three of the satellites, a receiving unit can pinpoint its current location anywhere on earth to within a few meters.

GSM (Global System for Mobile Communications) a type of digital wireless network which has been widely deployed throughout the world. There are 4 primary frequencies in use today: 850MHz, 900MHz, 1800MHz and 1900MHz. In Canada and the United States, you will find support for the 850, 1800 and 1900MHz bands, while most countries in Europe and Asia support either 900, 1800 or 1900MHz.

GSM 900 GSM networks operating at 900 MHZ.

GSM 1800 GSM networks operating at 1.8 GHz.

GSM 1900 GSM networks operating at 1.9 GHz (primarily in North America).

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