Fresh map is loaded onto a micro sd card, so if you unit has a slot for an sd card, then most likely yes it will work.
According to this link, the Etrex 20 does have mapping capability, so you are...
Type: Posts; User: Pengy
Fresh map is loaded onto a micro sd card, so if you unit has a slot for an sd card, then most likely yes it will work.
According to this link, the Etrex 20 does have mapping capability, so you are...
Freshmap is the one I use, and also the one we use for SAR work. It has tracks/huts etc on it, but like the rest of the commercial mapping cards, it does not show DOC boundaries.