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for: Wideband (automotive)
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for: Wideband (automotive)
In communications, wideband is a relative term used to describe a wide range of frequencies in a spectrum. A system is typically described as wideband if the message bandwidth significantly exceeds the channel's coherence bandwidth. Some communication links have such a high data rate that they are forced to use a wideband bandwidth; others links may have relatively low data rates, but deliberately use a wider bandwidth than "necessary" for that data rate in order to gain other advantages; see spread spectrum.
A wideband antenna is one with approximately or exactly the same operating characteristics over a very wide passband. Distinguished from broadband antennas, where the passband is large, but the gain and/or pattern need not stay the same over the passband.
According to the United States Patent and Trademark Office, WIDEBAND is a registered trademark of WideBand Corporation, a USA based manufacturer of Gigabit Ethernet managed switches, adapters, and networking equipment. See www.wband.com
External links
- WideBand Corporation
- Unofficial USAF Satellite, Wideband and Telemetry Communications Career Field Page
See also
- Broadband
- Broadband Internet access
- Ultra-wideband
