Kenwood Radios
TK-3180 Portable
TK-8180 Mobile
Most on the used market are 450-520 radios and work well for GMRS
You can share the same programming with each radio, but you have change the buttons from the mobile to portable having different buttons configurations.
See my comments on Radio Reference linked below.
(10) Kenwood TK-3180 great GMRS HT! | RadioReference.com Forums