The remaining MTX series radios were available in 4 models: 3 (no display/no keypad), 4 (top display/no keypad), 5 (front display/limited keypad) and 7 (front display/full keypad). The MTX-LS series was only availble in a B3 style case (no display).
3.4 Upgrading your MT2000 from 160 to 255 modes.