EF Johnson PC Configure v2.10.02
For EFJ 5100, 51XX, 5300, 53XX series radios with firmware 4.14.3 to 6.8.9

**WARNING**
EFJ Software is not backwards (or forwards) compatible - you must use the PCConfig version appropriate to your firmware!  If you write to your radio with the wrong version, you'll temporarily brick your radio until you re-write a valid codeplug from the right software.