Garmin/eTrex 20

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Garmin eTrex® 20
Garmin eTrex® 20
Description outdoor navigator (direction;routing)
GNSS 12 channels
chipset: STA8088 TESEO II
DOP: ?
Memory Internal: 1.7GB. External: ? microSD™ card.
Host system ? (operating system: ?)
Display 2.2" 65K color TFT
Integrated equipment USB cable
Connectivity usb
Batteries 2xAA
Emblem-question.svg addresses Emblem-question.svg points of interest
Yes check.svg mass storage mode Yes check.svg Waterproof
Price 199€ / $199.99 / £169.99
Website official link Produktseite


General description

Garmin eTrex 20 is a handheld GPS device. It has color display, supports loadable maps and runs on 2 AA batteries. eTrex 20 supports both GPS and GLONASS. It has 1.7GB built-in storage and accepts micro SDHC/XC cards at least up to 64GB.

specification despcription
Display transflective, 65-K color TFT (176 x 220 pixels / 65K color)
Display size 1.4" x 1.7" (3.5 x 4.4 cm); 2.2" diag (5.6 cm)
Interface USB
Slot microSD™ card
Dimensions (W x H x D) 2.1" x 4.0" x 1.3" (5.4 x 10.3 x 3.3 cm)
Weight 5 oz (141.7 g) with batteries
Battery 2 x AA / 25 hours
Ships with eTrex® 20, USB cable & Quickstart Guide

Traces and waypoints

The current trace is written to the internal file /Garmin/GPX/Current/Current.gpx. Saved traces and waypoints can be found in /Garmin/GPX/.


The latest Firmware (4.20, as of January 21, 2015) can be found on Updates & Downloads.

Viewing and exporting data from device

You can use the Garmin Connect website to view your tracks on an OSM map.

Mac OS X

You can use BaseCamp for Mac to view and export data from your device.

Adding new maps

To add new maps to your eTrex 20 use


  1. eTrex® 20 - specifications