Same radio as the GRE PSR 600, RadioShack Pro 197, 652, and also same in performance as the handheld versions, GRE PSR 500, and Radioshack PRO 105 and 651. It is a digital scanner for P25 phase 1. Will not decode phase 2. By the way the scenes on the radios are identical whether mobile/base, or handheld versions, including the battery indicated, even though the base/ mobiles have no battery.