ud and BPS (Bits Per Second) are usually not the same thing, although they are often used interchangeably, particularly in marketing literature. There are several ways to determine what the actual data rate of a particular piece of equipment is, but in popular marketing literature, or even general reference texts, they will almost always refer to "Baud Rate", even if they are referring to bits per second.Baud means the number of changes to the transmission media per second in a modulated signa