FTBCAT Cat radio control software - The DXZone.com
RT Systems Programming Software & Cable for Yaesu FT857/857D/897/897D | eBay
YAESU FT-857D parameters display with an Arduino - F6CZV
FT-857/897 Radio Programming Software
Compatible with FT 857 857D FT100 817 817D VX 1700 Radio Walkie Talkie 1.8M USB to 8 Pins CT-62 CAT Programming Cable & CD : Amazon.co.uk: Computers & Accessories