Improved DC40 collar

I’ve done some Work on trying to figure out how to solve the DC40 Issues. Looks like I’m making good progress.

We took an Old Non Updated DC40 collar and Made it work as good as or better than a DC30 collar.

For more information and More Details Please Visit

Modified DC40 collars will only be available at, We take Stock Garmin DC40 collars and fix them up so you get better performance from them.

Click Here to Purchase the Modified Service!


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