Hi Maarten,
Could check only now. I am using a sx1276 (nicerf) but not the rfm95 (will check setup with the rfm later to see if this fixes it). In config.h checked if it is setup ok;
define CFG_eu868 1
//#define CFG_us915 1
//#define CFG_sx1272_radio 1
define CFG_sx1276_radio 1
Will make a library setup within sketch dir and test also with the rfm95 later on. maybe its wiring with the nicerf module (or the module itself) thats not working.
Ewoud