A cable modem is a type of network bridge and modem that provides bi-
directional data communication via radio frequency channels on a hybrid
fibre-coaxial (HFC) and RFoG infrastructure. Cable modems are primarily
used to deliver broadband Internet access in the form of cable Internet,
taking advantage of the high bandwidth of a HFC and RFoG network. They
are commonly deployed in Australia, Europe, Asia and the Americas.
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