For those who don't like to push IC-7300 screen constructor of famous FT-847 filter mods, Peter SP2DMB produced external keypad in few final versions.
Depending on version device uses PCB with SMT elements, covered with ABS box.
Version "mini" with 4 keys
Keypad 7300 "Max" with or without Mic connector - choose version which suits your needs.
For more info and test videos check Youtube VIDEO or drop him e-mail at firstname.lastname@example.org