The SMP 468 typically uses a K-type 2-pin plug (the same used by many Kenwood and Baofeng radios). Ensure you have a high-quality USB programming cable.
Before you open the software, you need the physical bridge between your computer and the radio. motorola smp 468 programming software
Always "Read" the radio first. Writing a blank file can cause the radio to malfunction. Conclusion The SMP 468 typically uses a K-type 2-pin