Garmin eTrex 20x Review GPS & Navigation by James Fleming - July 7, 2015July 7, 20190 The GPS & Navigation device leader Garmin recently launched an upgrade to one of its most successful handheld GPS device. Garmin eTrex 20x comes with a good face-lift to its predecessor Garmin eTrex 20. We got a chance to review this latest comer.