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broadband    音标拼音: [br'ɔdb,ænd]
宽带;
(能传送极宽范围波频的媒介。它可以同时负载多条信号,将整个频宽分割成多个独立的频道,而每个频道在特定的频率范围内运作)

宽带; (能传送极宽范围波频的媒介。它可以同时负载多条信号,将整个频宽分割成多个独立的频道,而每个频道在特定的频率范围内运作)

broadband
宽频 BB

broad-band
宽频


broadband
宽频

broadband
adj 1: of or relating to or being a communications network in
which the bandwidth can be divided and shared by multiple
simultaneous signals (as for voice or data or video)
2: responding to or operating at a wide band of frequencies; "a
broadband antenna" [synonym: {broadband}, {wideband}]

A class of communication channel capable of
supporting a wide range of frequencies, typically from audio
up to video frequencies. A broadband channel can carry
multiple signals by dividing the total capacity into multiple,
independent bandwidth channels, where each channel operates
only on a specific range of frequencies.

The term has come to be used for any kind of {Internet}
connection with a {download} speed of more than 56 {kbps},
usually some kind of {Digital Subscriber Line}, e.g. {ADSL}.
A broadband connection is typically always connected, in
contrast to a {dial-up} connection, and a fixed monthly rate
is charged, often with a cap on the total amount of data that
can be transferred. Domestic broadband connections typically
share a telephone line with normal voice calls and the two
uses can occur simultaneously without interference.

See also {baseband}, {narrowband}.

(2006-03-30)


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    The FCC National Broadband Map displays where Internet services are available across the United States, as reported by Internet Service Providers (ISPs) to the FCC
  • What is Broadband - Definition, Meaning Explanation - Verizon
    So what is broadband? According to the FCC, the definition of broadband internet is a minimum of 25 Mbps download and 3 Mbps upload speeds Broadband provides high speed internet access via multiple types of technologies including fiber optics, wireless, cable, DSL and satellite
  • What is Broadband Internet and How Does It Work? - Spectrum
    Broadband refers to your Internet connection type (DSL, cable, cell phone Internet, etc ), while WiFi is the technology that wirelessly distributes your broadband connection to devices Broadband works without WiFi, so long as your devices are connected to your modem via an Ethernet cable





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