8 pin SPE Expert Band control cable for Yaesu FT-817 FT-818 - TechnoFix UK
Cable de Control de Software convertidor CAT a Bluetooth para YAESU FT 817 FT 857 FT 897 FT897 FT817 857 897|Accesorios y piezas para instrumentos| - AliExpress
EZSync USB FTDI CT-29B Cable for Yaesu FT-7900R, FT-8800R, FT-7100, FT-7100M, FT-8100, FT-8100M Radios, EZSync716 – Serial Connections Made Easy
USB CAT and CW Interface for FT-817 | YO4HHP's blog
CAT Cable on the Cheap | M0PZT
Opto isolated CAT-Interface for Transceiver Yaesu FT817 | www.dl8nci.de