Delorme Earthmate GPS PN-20

Delorme Eartmate GPS PN-20Earthmate GPS PN-20 was announced by Delorme during the CES earlier this month. The PN-20 is described by Delorme as a unique all-in-one GPS and mapping solution and has already started shipping bundled with the Topo USA 6 software. Unlike most others handheld GPS receivers it allows you to view aerial imagery and USGS topo maps on screen. Lets take a look at the specifications of the PN-20.

Eartmate PN-20 Specification and features


  • IPX-7 waterproof standard, impact-resistant rubberized housing
  • Device dimensions: 2.43″ W x 5.25″ H x 1.5″ D
  • Weight: 5.12 ounces


  • New high-sensitivity NMEA-compliant 12-channel GPS receiver with low-power baseband and RF chipset
  • STMicroelectronics chip technology with SiGE front-end and DeLorme firmware for faster acquisition times and outstanding signal retention
  • Proprietary Kalman filter for enhanced GPS accuracy
  • 75 MB available internal flash memory for user-uploaded maps


  • Uses 2 AA batteries (included)
  • Includes Travel Power Kit


  • WAAS-enabled, 12 parallel channel GPS receiver continuously tracks and uses up to 12 satellites to compute and update your position

Acquisition Times:

  • Warm: Approximately 15 seconds
  • Cold: Approximately 60 seconds
  • Update rate: 1/second, continuous

GPS accuracy:

  • Position: < 15 meters, 95% typical*
  • Velocity: 0.05 meter/sec steady state

WAAS accuracy:

  • Position: < 3 meters, 95% typical*

* Subject to accuracy degradation to 100m 2DRMS under the United States Department of Defense-imposed Selective Availability Program.


  • Sharp high-resolution 2.2″ Transflective TFT color display (220 x 176 pixels)

Memory & Storage

  • SD card slot for up to 2 GB additional map storage (1GB SD card and Reader included)
  • Holds up to 10 tracks (10,000 waypoints per track), 1,000 user-defined waypoints, and 50 routes


A couple of review have been already published and it looks like Delorme created a quality Handheld GPS device
GPS Review says it is a keeper
Mini Review at Groundspeak


The Earthmate PN-20 is available in three different bundles with prices starting from $369.95. For more informtion you can visit Delorme’s website


Subscribe to our e-mail newsletter to receive updates.

No comments yet.

Leave a Reply