Successor to the SCU-39 / For FT2D, FT3D, FT5D Handheld Transceivers. Compatible with YAESU FT2D / FT3D / FT5D. TheYAESU SCU-57 is a connection cable kit designed to enable yourFT2D, FT3D, or FT5D handheld transceiver to function as aWIRES-X portable node station.