20 Terms
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Mobile phones
Industry: Mobile communications
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Mobile phones
Smart phone
Mobile communications; Mobile phones
A class of wireless phone handsets with many features, and often a keyboard. What makes the phone "smart" is its ability to handle data, not only voice calls.
Soft handoff
Mobile communications; Mobile phones
When two base stations -- one in the cell site where the phone is located and the other in the cell site to which the conversation is being passed - both hold onto the call until the handoff is ...
Soft key
Mobile communications; Mobile phones
A key below the phone's main display panel that performs special functions.
Space division multiple access (SDMA)
Mobile communications; Mobile phones
A variation of TDMA and CDMA that potentially will be used in high-bandwidth, third-generation wireless products.
Specialised mobile radio (SMR)
Mobile communications; Mobile phones
Dispatch service ("walkie-talkie-type" service used by taxis, delivery trucks, etc.). SMR providers in the United States operate in the 800 MHz and 900 MHz frequency bands.
Specific absorption rate (SAR)
Mobile communications; Mobile phones
A measure of the rate at which RF energy is absorbed by the body.
Spectrum
Mobile communications; Mobile phones
The range of electromagnetic radio frequencies used in the transmission of sound, data and television.
