decent steerwheel transmitter + steering exponentals

[Andrius]

Im looking for decent steerwhell transmitter which got proper exponentals. I mean i would like draw exponental curve on steering channel. Currently using ansman w6 its not too bad for price however i can only set percentage rate on exponentals. Looked at new absima CR4T however seems doesnt have proper exp's on steering either. wondering sanwa m12 can do? any other ones cheaper ones? thanks for any ideas and advises. much appreciated