In the current version of the BOND we are not supporting 2.4GHz remotes. This is something we will be adding in few months.
In the context of ceiling fans the one remote users found that is 2.4GHz is
Remote model: 7RC04-CF00001
FCCID: R8Y7RC04-CF 100001
We will keep you updated once we are rolling out a version of the BOND that will support 2.4GHz remotes.