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hi

well i have read some books which quote data rate as bandwidth..for example "User A is provided 10 Mbps of bandwidth...."but it is just a use-of-the-word......Strictly....data rate such as 12Mbps is not the same as bandwidth....for the same amount of bandwidth, different data rates can be supported which in turn, depend upon the signalling techniques (modulation and encoding) used.... hope it helps...