I've had this coil for quite some time, but it was packed away and forgotten. It was purchased for A$60 because I was intrigued. It is the anti-interference version. Measures 12 x 4 and uses the MInelab lower rod. Weight is decent, build quality is good. Performance in the field still remains a mystery as I've yet to use it. I gave it a quick air test just to see how it behaved on the Tdi Pro. This version has a hot spot in the centre of the coil which appears very sensitive to sm