SLU's have kinda gone on the wayside. I do know Aeromate is using them in their Tiger kit so you may want to contact them directly or this distributor of the kit who has good email sense. Also there's an older thread on here about the system with some links as well.

http://www.aero-mate.com/Tiger1.htm

http://www.dklmrc.com/Aeromate/cat2389474_2166627.aspx

http://www.rcuniverse.com/forum/rc-t...lu-system.html