21 Terms
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Mobile phones
Industry: Mobile communications
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Mobile phones
Ionising radiation
Mobile communications; Mobile phones
Very high energy electromagnetic radiation that strips electrons away from their normal locations in atoms and molecules.
Iridium
Mobile communications; Mobile phones
First LEO-based global communications system backed by Motorola. Built primarily for voice transmissions, it was launched in 1998 and went into Chapter 11 in 1999.
Line
Mobile communications; Mobile phones
Traditional wired phone service. Voice, video and data transmission technology that relies on wires. Also called wireline.
Multiplexing
Mobile communications; Mobile phones
When multiple phone calls are carried in the same frequency band at the same time. In wireless, major multiplexing methods include TDMA and CDMA.
Lithium-ion battery (Li-Ion)
Mobile communications; Mobile phones
Lighter weight battery than earlier types, having relatively longer cycle life and generally do not suffer from memory effect.
Local calling area
Mobile communications; Mobile phones
The geographical area that a customer may call without incurring toll charges.
Local mulitpoint distribution service (LMDS)
Mobile communications; Mobile phones
Located in the 28 GHz and 31 GHz bands, LMDS is a broadband radio service designed to provide two-way transmission of voice, high-speed data and video (wireless cable TV).
