foone🏳️⚧️ auf Twitter: „here's two of the acoustic couplers they sold... https://t.co/cjqELzsRiZ“ / Twitter
Vintage Computer Modems for sale | eBay
acoustic coupler modem: Search Result | eBay
foone on Twitter: "So why would you need this? I think it's designed for use with acoustic coupler-based modems. Normally they're connected to a phone you can dial manually, but I think