Mike, you may be missing the difference between Mbit/s and kbit/s (MegaBits and Kilobits) rather than the difference between a period and a comma.
There are a 1000 Kilobits in 1 Megabit. The progression is - bit, kilobit, megabit, gigabit, terabit, petabit, exabit, zettabit, and yottabit (bit...