@mochi2 , @Megas_SLR
Actually I think it may already be supported.
The SSR1 that it is based on, is a TCODE-based device, just like the SR6 and OSR2.
The listing says it works with everything that supports OSR2 or SR6. And is compatible with MultiFunPlayer.
So it is likely TCODE based, just like the SSR1.