1st Gen Vive compatible with full body trackers?

[bbgun2795]

I'm looking into transitioning into full body tracking, but I'm afraid of spending a bunch of money before realizing whether it's compatible. I'm not seeing definite answers anywhere.

Are there any reliable trackers that you can purchase that will properly work with a 1st Generation Vive and it's base stations?  If not, do I need to upgrade the entire system, or can just base stations be purchase, etc....  

Thanks in advance!