BBS Fans Dial-up at 300 baud-56kbps - Home | Facebook
Modem - Wikipedia
gopackjo on Twitter: "@JenniWrenB We had the earliest version. We could hook up with a dumb terminal and a 300 baud acoustic coupler modem. And you needed to know Unix. https://t.co/VhREUdPPCr" /
The world's first PC modem - Getting connected: a history of modems | TechRadar