KSS File Format

If you have a raw kiss frame you should see e.g DB C0 id a byte that has an real value of C0. In this case the C0 is not the frame end.

DB DC is a real byte value of DC and not TFEND.

Abbreviation         Description                          Hex value
FEND                      Frame  End                              C0
FESC                      Frame  Escape                         DB
TFEND                    Transposed Frame End            DC
TFESC                    Transposed Frame Escape       DD

More information on the KSS file format