This page describes modifications (customization) you can do to your eTrex (any model).

Personalize your startup screen text.

Ido Bar-Tana's Program and Webpage for changing your eTrex's startup screen text. (Turn javascript off to get rid of the annoying cursor on that page, then don't forget to turn it back on after your done if you turned it off!).

Make your own custom GPS cable (simple).

Make your own eTrex data/power cable shows you how to make a data cable/power cable for your eTrex step by step.

Make your own custom GPS cable (advanced).

Make your own GPS data cable shows you how to make a data cable for your GPSr.

Different eTrex firmware versions.

Mountain Biker's Version is for Mountain Bikers who use an eTrex.
Land Release has many land type icons.

Misc. eTrex Modifications.

Attach and eTrex to a hiking stick!.
External (reradiating/passive-active) Antenna for the eTrex (prototype).

Other Modifications.

Other eTrex modifications.