Hello guys, is it possible to install a KAT2 with older firmware 1.06 (actual is 1.07) into a new k2 with firmware 2.04? Are there any problems comming up? Also i can get a KDSP2 with 3.0 (actual is 3.1). Where is the differece ? I did'nt find any firmare revisison tables in the net or on the elecraft site. Thanks for help. Michael, DC0ZO