I just wrote Cable from Icom IC-7300 to KPA500 But……I meant to antenna Tuner KAT500 I know its a Molex connector to 1/8 “ connector Problem is I live at Venezuela….Here Its difficult to find those connectors to make The cable…..and its easiest for me to buy cable and import it Best Regards and 73's George YV5WZ / PY3ZZZ