R5 Remote for Backfire G5, ERA 2 and ERA 3

This 5th Generation remote is working with the 5th generation ESC, it works for our new models like : G5, ERA 2, ERA 3, G5S, ZEALOT S2 etc; 

However, it does NOT pair with any other Backfire Models like G2, G3, Zealot, Zealot S, X2 or X3, Nor first general ERA.