[Motorola] Research Line for amateur use

[Jack]

I still have a synthesizer that was built for the HT220's by some ham years
ago. It was never installed. It comes with the modified back cover which
allows programming by means of a DIP switch.
I also have, new in the box, a few of the "boxes" that hang below the
MOTRAC-type head. These units have a few switches and buttons. I think they
were used to reset an alarm or something like that. Also have a few of the
five-tone toneburst units in a similar casting.
I would love to get my hands on one of the IMTS control heads (with the
dial). I worked on them for Ma Bell. Oddly, have never seen any at
Dayton...probably because the associated radio is such a monster.

Jack WA2HWJ