Mobile phones

Mobile phones

Industry: Mobile communications

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Mobile phones

ionizing 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.

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).

local number portability (LNP)

Mobile communications; Mobile phones

The ability of subscribers to switch local or wireless carriers and still retain the same phone number, as they can now with long-distance carriers. Wireless carriers do not have to offer LNP until ...