Kno nada about it and would not consider it vs. KPA100. But there are is some discussion of using it with an FT-817 here: http://groups.yahoo.com/group/FT817/messages/31501?viscount=100 Phil greg storms wrote: >Anyone out there using the K-2 and Tokyo Hi Power HL-50 in combination? I would like to hear from you about how it is working or any problems encountered. > > > >