Pro-197
From The RadioReference Wiki
Description
The Pro-197 (rumored model number, but from a reliable source) is manufactured for Radio Shack by GRE America Inc.
The Radio Shack PRO-197 is a Digital Trunk Tracking scanner which boasts the ability to track APCO 25 digital trunking systems, in addition to following Motorola type I/II systems, LTR and EDACS trunking systems. It is very similar to the GRE PSR-600.
The Pro-197 will most likely be released in Q4 2008.
The Yahoo discussion list is found here