Bike to Bike communications. Any recommendations?

Hey guys im just looking for suggestions from people for bike to bike communications. Cheers.

This is a free and universal solution (posted before)

Garmin Zumo blue tooth’d to your phone with mic and headphones works pretty well either. I haven’t used any other products.

Autocom 5-6 yrs ago was cool but I’m sure things have progressed a lot since then. Was looking at Starcom too.