Earthmate® GPS PN-20 – Technical Specifications
Display
- Bright color transflective TFT screen for clarity in any light conditions
- 2.2” diameter
- 220 x 176 pixels
- Waterproof to IPX7 standard,
- Impact-resistant rubberized housing
- Device dimensions: 2.43" W x 5.25" H x 1.5" D
- Weight: 5.12 ounces
- WAAS-enabled, 12 parallel channel GPS receiver continuously tracks and uses up to 12 satellites to
compute and update your position
- 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
- Warm: Approximately 15 seconds
- Cold: Approximately 60 seconds
- Update rate: 1/second, continuous
- Position: < 15 meters, 95% typical
- Velocity: 0.05 meter/sec steady state
WAAS accuracy
Position: < 3 meters, 95% typical
Memory and Storage
- 75 MB available internal flash memory for user-uploaded maps
- SD card slot for up to 2 GB additional map storage (1GB SD card and Reader included)
- Holds up to 10 tracks (10,000 points per track), 1,000 user-defined waypoints, and 50 routes
Power
Retail package includes 2 AA batteries
Topo USA® System Requirements
Operating Systems
- Microsoft Windows Vista® Home/Basic/Home Premium/Ultimate/Business with 512 MB RAM
- U.S. Version Microsoft Windows XP or 2000 (Service Pack 3 and higher): 128 MB RAM (256 MB
recommended)
- Microsoft Windows 98/ME is not supported with this release
Internet Browser
Microsoft Internet Explorer 5.01 or later
Hardware
- Intel® Pentium III 900 MHz or higher processor (1.8 GHz recommended)
- 1 GB of available hard-disk space
- DVD-ROM Drive
- 3D-capable video card with 32 MB VRAM (64 MB VRAM recommended)
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