Reminds me of MINEC 1000, which came out in the early 90s (I think), had a decent enough mechanical kb, came with a built in modem (and serial ports ofc), and could be used as a generic terminal thanks to its VT100 emulation.
https://flickr.com/photos/zachetus/535850505/in/photolist-Pm...
https://flickr.com/photos/zachetus/535850501/in/photolist-Pm...