broadband
US /ˈbrɑːd.bænd/
UK /ˈbrɑːd.bænd/

1.
a high-capacity transmission technique using a wide range of frequencies, which enables a large number of messages to be communicated simultaneously.
:
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We need a faster broadband connection for our office.
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Many rural areas still lack access to reliable broadband.
1.
relating to or denoting a high-capacity transmission technique.
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The company offers various broadband services.
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They are installing new broadband infrastructure in the city.