Digital Modulations Unit • for Alinco DJ-593MKII / DJ-596MKII / DR-135MK2 & MK3 / DR-235 / DR-435MK2 & MK3 / DR-620 / DR-635 • • 10K0F1E Digital GMSK Modulation • 4800bps • Protokoll: ITU-TV.32 "open to public". Not compatible to D-Star