Stugout, they also offer a 3-Channel which includes the shaft pick up for rpm.
Did you consider that one?
Andrew at DTUK has been pretty good at responding but always leaves me asking more questions.
I think he's baiting me!
2010 Black 335D Sport/Premium, Michelin PSS 235/265 (100k Club)
2000 Silver Z3 3.0i (Ret)
1999 Silver R1200C (Ret)
1968 Black 1600 Coupe (Ret)