Quickview TERA Accessories, TR-590 AccessoriesNext generation software by TERA makes programing your TERA TR-590 a snap! Kit includes CD Software disk and enhanced USB cable that makes programming your radio easier than ever. Works with Windows 10, 8.1, 8, and 7, or with Parallels on a Mac. No more complicated USB driver setup! The TERA TR-590 requires programming to first unlock the radio before any front panel programming use. Questions? Contact us and we'll be happy to help!