cord connecting the USB-Interface II/ receiver cord with the buddy box of your R/C transmitter
for Futaba transmitters: FC-28, FC-16, FC-18, 3PJ, T3PJ, T3PJK, ..
for Graupner/JR MX hand-held transmitters with DSC connector: mx-19 (with DSC connector only), MX-12, MX-16, MX-22 (plug together while switched off)
for JR transmitters (with American RF part and buddy box): JR 9x, X-347, X-387, X-388, X-756, X-3810, ..
for Spektrum transmitters with DSC connector: DX 7, .. (plug together while switched off)
more Graupner/JR transmitter cords: see Graupner/ JR