Model

Brunton MNS

Garmin eTrex

Garmin eTrex Camo

Garmin eTrex Summit

Garmin eTrex Venture

Garmin eTrex Legend

Garmin eTrex Vista

Garmin GPS 12

Garmin GPSMAP 76S

Garmin GPS V

Magellan  GPS 310

Magellan  GPS 315

Magellan  MAP 330

Magellan SporTrak

Magellan SporTrak Map

Magellan SporTrak Pro

Magellan Meridian

Magellan Meridian Gold

Magellan Meridian Platinum

Model

Receiver

12 Channel

12 Channel

12 Channel

12 Channel

12 Channel, WAAS capable

12 Channel, WAAS capable

12 Channel, WAAS capable

12 Channel

12 Channel, WAAS capable

12 Channel, WAAS capable

12 Channel

12 Channel

12 Channel, WAAS capable

12 Channel, WAAS capable

12 Channel, WAAS capable

12 Channel, WAAS capable

12 Channel, WAAS capable

12 Channel, WAAS capable

12 Channel, WAAS capable

Receiver

Internal Memory

N/A

N/A

N/A

N/A

1 MB

8 MB

24 MB

N/A

24 MB

19 MB

N/A

N/A

8 MB

1 MB

6 MB

32 MB

2 MB

16 MB

16 MB

Internal Memory

Memory Options

No

No

No

No

No

No

No

No

No

No

No

No

No

No

No

No

Optional SD cards (8, 16, 32 & 64 MB)

Optional SD cards (8, 16, 32 & 64 MB)

Optional SD cards (8, 16, 32 & 64 MB)

Memory Options

Display Type

Black and White LCD

4 Level Gray LCD

4 Level Gray LCD

4 Level Gray LCD

4 Level Gray LCD

4 Level Gray LCD

4 Level Gray LCD

Black and White LCD

4 Level Gray LCD

4 Level Gray LCD

EL Backlit Display

EL Backlit Display

4 Level Gray LCD

4 Level Gray LCD

4 Level Gray LCD

4 Level Gray LCD

4 Level Gray LCD

4 Level Gray LCD

4 Level Gray LCD

Display Type

Display Size (inches)

2.4 x 1.7

2.1 x 1.1

2.1 x 1.1

2.1 x 1.1

2.1 x 1.1

2.1 x 1.1

2.1 x 1.1

2.2 x 1.5

2.2 x 1.6

2.2 x 1.5

2.1 x 1.4

2.1 x 1.4

2.3 x 1.4

2.3 x 1.4

2.3 x 1.4

2.3 x 1.4

1.75 x 2.2

1.75 x 2.2

1.75 x 2.2

Display Size (inches)

Display Pixels

128 x 64

128 x 64

128 x 64

288 x 160

288 x 160

288 x 160

100 x 64

240 x 180

256 X 160

104 x 160

104 x 160

104 x 160

160 x 104

160 x 104

160 x 104

120 x 160

120 x 160

120 x 160

Display Pixels

Antenna Type / External Option

Internal Patch / No

Internal Patch / No

Internal Patch / No

Internal Patch / No

Internal Patch / No

Internal Patch / No

Internal Patch / No

Internal Patch / No

Internal Quadrifilar Helix / Yes

Detachable Quadrifilar / Yes

Internal Quadrifilar Helix / No

Internal Quadrifilar Helix / No

Internal Quadrifilar Helix / No

Internal Quadrifilar Helix / No

Internal Quadrifilar Helix / No

Internal Quadrifilar Helix / No

Internal Quadrifilar Helix / No

Internal Quadrifilar Helix / No

Internal Quadrifilar Helix / No

Antenna Type / External Option

Data I/O

NMEA 0183, RTCM-SC104 (DGPS), Nexus PP

NMEA 0183, RTCM 104 (DGPS)

NMEA 0183, RTCM 104 (DGPS)

NMEA 0183, RTCM 104 (DGPS)

NMEA 0183, RTCM 104 (DGPS)

NMEA 0183, RTCM 104 (DGPS)

NMEA 0183, RTCM 104 (DGPS)

NMEA 0183, RTCM 104 (DGPS)

NMEA 0183, RTCM 104 (DGPS)

NMEA 0183, RTCM 104 (DGPS)

NMEA 0183, RTCM 104 (DGPS)

NMEA 0183, RTCM 104 (DGPS)

NMEA 0183, RTCM 104 (DGPS)

NMEA 0183, RTCM 104 (DGPS)

NMEA 0183, RTCM 104 (DGPS)

NMEA 0183, RTCM 104 (DGPS)

NMEA 0183, RTCM 104 (DGPS)

NMEA 0183, RTCM 104 (DGPS)

NMEA 0183, RTCM 104 (DGPS)

Data I/O

Unit Dimensions (inches)

6.7 x 2.4 x 1.2

4.4 x 2.0 x 1.2

4.4 x 2.0 x 1.2

4.4 x 2.0 x 1.2

4.4 x 2.0 x 1.2

4.4 x 2.0 x 1.2

4.4 x 2.0 x 1.2

5.8 x 2.1 x 1.2

6.2 x 2.7 x 1.4

5.0 x 2.3 x 1.6

6.0 x 2.0 x 1.3

6.0 x 2.0 x 1.3

6.0 x 2.0 x 1.3

5.6 x 2.2 x 1.2

5.6 x 2.2 x 1.2

5.6 x 2.2 x 1.2

6.5 x 2.9 x 1.3

6.5 x 2.9 x 1.3

6.5 x 2.9 x 1.3

Unit Dimensions (inches)

Unit Weight

8 ounces

5.3 ounces

5.3 ounces

5.3 ounces

5.3 ounces

5.3 ounces

5.3 ounces

9.5 ounces

7.7 ounces

9 ounces

6.8 ounces

7 ounces

7 ounces

6.1 ounces

6.1 ounces

6.1 ounces

8 ounces

8 ounces

8 ounces

Unit Weight

Battery Type / Expect Life

2 AA / 100 hrs typical navigation, 10 hrs continuous GPS

2 AA / 20 hrs (using battery saver mode)

2 AA / 22 hrs (using battery saver mode)

2 AA / 22 hrs GPS, 13 GPS & Compass (using battery saver mode)

2 AA / 20 hrs (using battery saver mode)

2 AA / 18 hrs (using battery saver mode)

2 AA / 12 hrs (using battery saver mode)

4 AA / 24 hrs (using battery saver mode)

2 AA / 10 hrs (using battery saver mode)

4 AA / 25 hrs (using battery saver mode)

2 AA / 20 hrs

2 AA / 15 hrs

2 AA / 10 hrs

2 AA / 14 hrs

2 AA / 14 hrs

2 AA / 14 hrs

2 AA / 14 hrs

2 AA / 14 hrs

2 AA / 14 hrs

Battery Type / Expect Life

Waterproofness Standard

IP65

IPX7

IPX7

IPX7

IPX7

IPX7

IPX7

IPX7

IPX7

IPX7

IPX2

IPX2

IPX2

IPX7

IPX7

IPX7

IPX7

IPX7

IPX7

Waterproofness Standard

Operating Temperature Range

-13 to +158 Fahrenheit

+5 to +158 Fahrenheit

+5 to +158 Fahrenheit

+5 to +158 Fahrenheit

+5 to +158 Fahrenheit

+5 to +158 Fahrenheit

+5 to +158 Fahrenheit

+5 to +158 Fahrenheit

+5 to +158 Fahrenheit

+5 to +158 Fahrenheit

+14 to +140 Fahrenheit

+14 to +140 Fahrenheit

+14 to +140 Fahrenheit

+14 to +140 Fahrenheit

+14 to +140 Fahrenheit

+14 to +140 Fahrenheit

+14 to +140 Fahrenheit

+14 to +140 Fahrenheit

+14 to +140 Fahrenheit

Operating Temperature Range

Map Datums

107

Over 100

Over 100

Over 100

Over 100

Over 100

Over 100

Over 107, plus 1 user-defined

Over 100

Over 100, plus 1 user-defined

13

72 plus 1 user defined

72 plus 1 user defined

76 plus 1 user defined

76 plus 1 user defined

76 plus 1 user defined

76 plus 1 user defined

76 plus 1 user defined

76 plus 1 user defined

Map Datums

Grid Systems

More than 10 including Lat/Lon, UTM, MRGS, etc.

Lat/Lon, UTM/UPS, Maidenhead, MGRS, etc

Lat/Lon, UTM/UPS, Maidenhead, MGRS, etc

Lat/Lon, UTM/UPS, Maidenhead, MGRS, etc

Lat/Lon, UTM/UPS, Maidenhead, MGRS, etc

Lat/Lon, UTM/UPS, Maidenhead, MGRS, etc

Lat/Lon, UTM/UPS, Maidenhead, MGRS, etc

Lat/Lon, UTM/UPS, Maidenhead, MRGS, etc

Lat/Lon, UTM/UPS, Maidenhead, MGRS, etc

Lat/Lon, UTM/UPS, Maidenhead, MRGS, etc

Lat/Lon, UTM/UPS, OSGB, etc

Lat/Lon, UTM/UPS, OSGB, etc

Lat/Lon, UTM/UPS, OSGB, etc

Lat/Lon, UTM/UPS, OSGB, MGRS, etc

Lat/Lon, UTM/UPS, OSGB, MGRS, etc

Lat/Lon, UTM/UPS, OSGB, MGRS, etc

Lat/Lon, UTM/UPS, OSGB, MGRS, etc

Lat/Lon, UTM/UPS, OSGB, MGRS, etc

Lat/Lon, UTM/UPS, OSGB, MGRS, etc

Grid Systems

Waypoints

1000

500

500

500

500

500

500

500

500

500

100

500

500

500

500

500

500

500

500

Waypoints

Routes / Waypoints per Route

10 / 100

1 / 50

1 / 50

20 / 50

20 / 50

20 / 50

20 / 50

20 / 30

50 / 50

20 / 50, plus automatic routes

1 / 10

20 / 30

20 / 30

20 / 50

20 / 50

20 / 50

20 / 50

20 / 50

20 / 50

Routes / Waypoints per Route

Tracklog Points / Reversible

5000 / No

1536 / Yes

2000 / Yes

3000 / Yes

2048 / Yes

2048 / Yes

3000 / Yes

1024 / Yes

5000 / Yes

3000 / Yes

N/A

1200 / No

2000 / Yes

2000 / No

2000 / No

2000 / No

2000 / No

2000 / No

2000 / No

Tracklog Points / Reversible

Built-in Basemap / Database

N/A

N/A

N/A

N/A

Worldwide City Database

America's Highways Basemap

America's Highways Basemap

N/A

America's Highways Basemap

Routable Basemap of North & South America

N/A

US Cities Database

US Cities, Highways Basemap

Worldwide Cities Database

NA Cities, Highways Basemap

NA Cities, Highways Basemap

US Cities, Highways Basemap

US Cities, Highways Basemap

US Cities, Highways Basemap

Built-in Basemap / Database

Downloadable Map Options

N/A

N/A

N/A

N/A

MapSource Points of Interest CD

MapSource CD-ROMs

MapSource CD-ROMs

N/A

MapSource CD-ROMs

Includes City Select CD-ROM, Optional Mapsource CD-ROMs

N/A

DataSend CD-ROMs

MapSend Streets CD-ROMs

DataSend CD-ROMs

MapSend CD-ROMs

MapSend CD-ROMs

MapSend CD-ROMs

MapSend CD-ROMs

MapSend CD-ROMs

Downloadable Map Options

Built-in Electronic Compass

Yes, operates with GPS off

No

No

Yes

No

No

Yes

No

Yes

No

No

No

No

No

No

No

No

No

Yes

Built-in Electronic Compass

Built-in Barometric Altimeter

Yes

No

No

Yes

No

No

Yes

No

Yes

No

No

No

No

No

No

No

No

No

Yes

Built-in Barometric Altimeter

Warranty

5 years

1 year

1 year

1 year

1 year

1 year

1 year

1 year

1 year

1 year

1 year

1 year

1 year

1 year

1 year

1 year

1 year

1 year

1 year

Warranty

Included Accessories

Interactive Neoprene Case

PC interface cable

PC interface cable

PC interface cable

PC interface cable

Automotive Mount, PC Interface Cable, Cigarette Lighter Adapter, City Select CD-ROM

PC interface cable

PC interface cable

PC interface cable

PC interface cable

PC interface cable

PC interface cable

Included Accessories

Other Notable Features

One-button StraightHome, 12 hr weather forecast, temp resistant LCD

Hunting and fishing calculator provides optimal times of day to hunt or fish

Hunting and fishing calculator provides optimal times of day to hunt or fish

Hunting and fishing calculator provides optimal times of day to hunt or fish

Hunting and fishing calculator provides optimal times of day to hunt or fish

Hunting and fishing calculator provides optimal times of day to hunt or fish, celestial information page, audible alarms

Automatic turn-by-turn routes, built-in celestial tables for hunting/fishing, sun and moon rise/set calculators, audible alarms, dual orientation display

Save track to route, fish and game time calculator, proximity alarms, sun and moon calculator

Northfinder with Sun/Moon, Sunrise/Sunset Calculator, fish & game calculator

Built-in help, save track to route, Northfinder with Sun/Moon, Sunrise/Sunset Calculator, horizontal profile, address search

Built-in help, save track to route, Northfinder with Sun/Moon, Sunrise/Sunset Calculator, horizontal profile, address search

Built-in help, save track to route

Built-in help, save track to route

Built-in help, save track to route

Other Notable Features

Model

Brunton MNS

Garmin eTrex

Garmin eTrex Camo

Garmin eTrex Summit

Garmin eTrex Venture

Garmin eTrex Legend

Garmin eTrex Vista

Garmin GPS 12

Garmin GPSMAP 76S

Garmin GPS V

Magellan GPS 310

Magellan GPS 315

Magellan MAP 330

Magellan SporTrak

Magellan SporTrak Map

Magellan SporTrak Pro

Magellan Meridian

Magellan Meridian Gold

Magellan Meridian Platinum

Model