Specifications  
 Plotter/Moving Map Features       
Basemap: Built-in routable Americas Autoroute basemap with oceans, lakes, rivers, airports, cities, interstates or major motorways, principal and major thoroughfares, political boundaries, federal interstate highway exit information for services such as food, lodging and truck, RV and automotive service stations in the US only.

CD-ROM: MapSource City Navigator CD-ROM (U.S. & Canadian coverage) and a 128MB data card are included with the Americas StreetPilot III, which gives you access to street-level detail, addresses, and business listings for major metropolitan areas. Internet access is recommended. Compatible with most GARMIN MapSource™ products. GARMIN data card required.

Map Scale: Screen-width scale 900 feet to 6,100 miles

 Navigation Features  
Routes: Automatically calculated with turn-by-turn instructions. Up to 50 stored. Using built-in basemap, routes include interstates, highways and major thoroughfares. With detailed data from CD-ROM, routes include residential street-level detail within metropolitan areas.

Voice: Navigation instructions and warnings

Waypoints: 500 with name and graphic symbol

Track log: 2000 track log points

Trip computer: Resettable odometer, timers, average and maximum speeds

 GPS Performance  
GPS performance Receiver: Differential-ready 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 45 seconds
  • AutoLocate™: Approximately 5 minutes

Update rate: 1/second, continuous

GPS Accuracy:

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

DGPS Accuracy:

  • Position: 3-5 meters, 95% typical*
  • Velocity: 0.05 meter/sec steady state

Position: 3-5 meters, 95% typical*

Velocity: 0.05 meter/sec steady state

Dynamics: 6g’s

Interfaces: RS232 with NMEA 0183

Antenna: Detachable with standard BNC-type connector

Physical Size: 3.2"H x 6.8"W x 2.6"D (8.0 x 17.3 x 6.5 cm)

Weight: 1.4 pounds (635 g)

Display:

  • 3.4"W x 1.8"H (8.6 x 4.5 cm)
  • (305 x 160 pixels), high-contrast,
  • 16-color LCD with backlighting

Case: Rugged; fully gasketed

Temp. range: 5°F to 158°F (–15°C to 70°C)

Data storage: Indefinite; no memory battery required

Map storage: Data cards store detailed map data

Power Source: 6 AA batteries or 12-volt adapter cable

Battery life: 2–20 hours based on backlight setting

Specifications are subject to change without notice.

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