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-In [[telecommunications]], '''Baud''' is the unit to measure the [[symbol rate]]. If one [[symbol]] can be transmitted per second, this is equal to one Baud. The unit is named after [[Jean-Maurice-Émile Baudot]] a French telecommunications engineer who innvented the [[Baudot code]]. The Baud rate is different from the [[gross bit rate]], measured in ''bits/second''. As an example, [[gigabit ethernet]] has a symbol rate of 125MBd. Gigabit ethernet uses [[pulse-amplitude modulation]] and can transmit two bits of payload data per symbol. Gigabit ethernet uses four wires for transmission.
-It can transmit <math>\rm 125 \;MBd \cdot 2 \;\tfrac{bit}{symbol} \cdot 4 = 1000 \;\tfrac{Mbit}{s}</math>.
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