I have been granted permission to pass on this information .
MRT now have a pt that will work on ALL My laps systems. You can Have your existing personal number, also.
Myself and others have had these for a few months with very positive results.
Soon as more Information on upgrading your existing MRT pt's it will be posted here or on
www.team-mrt.com
so in summary your current MRT. will work on mylaps up to rc3 the new version will work on ALL mylaps not just limit you to Rc4