Prefix C or N on EMP outrunners, suffix ATN?

[deepfraught]

Hi folks, have hunted and not yet found what the answer to this is, probably so obvious I can't see it...

C5065
http://www.leaderhobby.com/product.asp?ID=9394001224155

N5065
(noted down the bottom in package contents)
http://www.leaderhobby.com/product.asp?ID=9394001224153

Also wondering what the ATN suffix means?

Looking to get the small Commuter Booster friction drive running again while the weather is fine and pedal fitness up, maybe try wet grip tape options later on.

 

[thepronghorn]

I do not believe there is any significant difference between the motors.