Source : Free On-Line Dictionary of Computing

megabits per second
     
         (Mbps, Mb/s) Millions of {bit}s per second.  A unit of
        {data rate}.  1 Mb/s = 1,000,000 bits per second (not
        1,048,576).
     
        E.g. {Ethernet} can carry 10 Mbps.
     
        (2002-03-23)