On Dec 4, 2007 7:11 AM, Neil Davey <neil at daveytronics.com> wrote: > > Hi Hank, > I think what he's saying is that you can get after market receivers for > polar chest straps > eg http://www.concept2.com/us/products/heart/default.asp, which I have used > myself in projects.. ok, but what is the protocol. Is it ant?