Use the comparison table above to choose the interface that best suits your operating requirements. DigiMode-3 is our most fully featured interface for Alinco transceivers, providing audio transfer, PTT control and audio/PTT isolation for reliable digital mode operation. DigiMode-3 Micro is a compact and economical interface providing audio transfer and PTT control for popular digital mode applications. Compatible with FT8, FT4, JS8Call, PSK31, JT65 and other popular digital modes. Supports WSJT-X, JTDX, JS8Call, FLdigi and DM780.