While I didn't remember the name MacCharlie, I found the Wikipedia article and the description kind of rang a bell: https://en.wikipedia.org/wiki/MacCharlie ht

While I didn't remember the name MacCharlie, I found the Wikipedia article and the description kind of rang a bell: https://en.wikipedia.org/wiki/MacCharlie https://en.wikipedia.org/wiki/MacCharlie As it turns out, it's a hardware device more like the Sidecar, except from the description much worse. :)