Open the RS-BA1 Remote Control application and look at the "About" section.
If you want, I can:
If you have updated your software and your license key is suddenly rejected, check the following: rsba1 version 2 license key updated
Version 2 introduces advanced features such as Dualwatch operation , dual spectrum scopes with waterfall functions (for compatible radios like the IC-7610), and support for newer models like the IC-705 . Troubleshooting License Issues Open the RS-BA1 Remote Control application and look