These radios have pre-programmed frequencies with the dual band option.
Quick List of Dual Mode (25/12.5 kHz): RDX Series (RDV2020, RDV2080d, RDV5100, RDU2020, RDU2080d, RDU4100, RDU4160d); XTN Series (XV1100, XV2100, XV2600, XU1100, XU2100, XU2600); M-Series (MV11C, MV21CV, MV22CV, MV24CVS, MU21CV, MU22CV, MU24CVS); AX Series (AXV5100, AXU4100) Spirit GT (Spirit GT, Spirit GT+)
Quick List of 12.5 kHZ Only: This will not need any re-programming. CLS Series (CLS1110, CLS1410); CLP (CLP1010, CLP1040)
Quick List of 25 kHz Only: These will need to be replaced. S-Series (SU or SV models); Spirit Series (Spirit I, Spirit II, Spirit III)