I had a 300 bps modem that could do half-duplex 1200 bps with another of its kind, the coolest modem ever made: https://en.wikipedia.org/wiki/Novation_CAT#The_

I had a 300 bps modem that could do half-duplex 1200 bps with another of its kind, the coolest modem ever made: https://en.wikipedia.org/wiki/Novation_CAT#The_Apple-CAT_II https://en.wikipedia.org/wiki/Novation_CAT#The_Apple-CAT_II BTW baud != bps. A full-duplex 1200 bps modem is actually 600 baud: https://en.wikipedia.org/wiki/Modem#Evolution_of_dial-up_speeds https://en.wikipedia.org/wiki/Modem#Evolution_of_dial-up_spe...