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| Price |
GPSMAP 78
010-00864-00
$239.00
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Montana 600
010-00924-00
$469.99
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GPSMAP 421s w/ DF xdcr
010-00764-01
$499.00
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GPSMAP 521
010-00760-00
$559.00
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GPSMAP 620
010-00696-00
$699.00
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GPSMAP 720s
010-00835-01
$999.00
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| Computer Interface Cable | USB (included) |
USB cable |
Proprietary Power/data cable |
Proprietary Power/data cable |
USB (included) |
Threaded power/data/sonar cable |
Number of
Waypoints | 2000 |
2000 |
3000 |
3000 |
1500 (marine mode); 1000 (automotive mode) |
3,000 |
| Routes | 200 |
200 |
100 |
100 |
50 (marine mode); 10 (automotive mode) |
100 |
| Saved Tracks | 200 |
200 |
50 |
50 |
10,000 points, 20 saved tracks (marine); 10,000 points, no saved tracks (automotive) |
50 |
| Ability to add maps | |
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| Accepts data cards | microSD card (not included) |
microSD™ card (not included) |
SD card slot (card not included) |
microSD (not included) |
SD card slot |
SD™ card slot |
| Built in Memory | 1.7 GB |
3 GB internal |
no internal memory for maps |
no internal memory for maps |
internal solid state |
no internal memory |
| Battery Type | AA |
Lithium battery pack or 3 x AA |
no internal battery |
no internal battery |
rechargeable lithium-ion |
no internal battery |
| Replaceable Lithium Ion Battery | |
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| Battery Life | 20 hours |
up to 16 hours (lithium-ion); up to 22 hours (AA batteries) |
none (must be connected to a power source) |
none (must be connected to a power source) |
up to 9 hours |
no internal battery |
| Touchscreen | |
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| Display Size | 1.6" x 2.2" (4.1 x 5.6 cm); 2.6" diag (6.6 cm) |
2"W x 3.5"H (5.06 x 8.93 cm); 4" diag (10.2 cm) |
2.4" x 3.2", 4.0" diagonal (6.1 x 8.1 cm, 10.2 cm diagonal) |
3.0" x 4.0", 5.0" diagonal (7.6 x 10.2 cm, 12.7 cm diagonal) |
4.5"W x 2.7"H (11.4 x 6.9 cm); 5.2" diag (13.2 cm) |
6.0" x 3.6", 7.0" diagonal (15.2 x 9.1 cm, 17.8 cm diagonal) |
| Unit Dimensions | 2.6" x 6.0" x 1.2" (6.6 x 15.2 x 3.0 cm) |
2.9" x 5.7" x 1.4" (7.48 x 14.42 x 3.64 cm) |
5.7" x 5.0" x 2.7" (14.5 x 12.7 x 6.9 cm) |
3.0" x 4.0", 5.0" diagonal (7.6 x 10.2 cm, 12.7 cm diagonal) |
5.9"W x 4"H x 1.9"D (15.0 x 10.2 x 4.8 cm) |
8.8" x 5.6" x 3.1" (22.4 x 14.2 x 7.9 cm) |
| Screen Orientation | Vertical |
dual orientation |
Vertical |
Vertical |
Horizontal |
Horizontal |
| Display Type | transflective, 65-K color TFT |
Bright, transflective 65k color TFT, dual-orientation touchscreen; sunlight readable |
QVGA display |
QVGA display |
WVGA |
WVGA display |
| Display Resolution (pixels) | 160 x 240 pixels |
272 x 480 pixels |
240 x 320 pixels |
234 x 320 pixels |
800 x 480 pixels |
800 x 480 pixels |
| Unit Weight | 7.7 oz (218.3 g) with batteries |
10.2 oz (289 g) with included lithium-ion battery pack; 11.7 oz (333 g |
1.3 lb (590 g) |
less than 1.75 lb (0.8 kg) |
17.3 ounces (490.4 g) |
2.48 lb (1.1 kg) |
| Waterproof Standard* | yes (IPX7 - floats) |
yes (IPX7) |
yes (IPX7) |
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IPX7 |
yes (IPX7) |
| Turn by turn Routing | |
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| Voice prompts (e.g. "Turn right in 500 ft.") | audible beeps |
Yes (with automotive mount) |
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| Unit-to-unit transfer (shares data wirelessly with similar units) | |
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| Motorcycle-friendly | |
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| Custom POIs (ability to add additional points of interest) | |
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| XM WX Satellite Weather Compatibility | |
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| XM Satellite Radio Capability | |
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| Ext Ant. Hookup | |
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| Multimode (switches modes to drive, hike, bike or boat) | |
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| Area Calculation | |
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| Built-In Electronic Compass | |
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| Tilt-compensated, 3-axis Compass | |
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| Built-In Barometric Altimeter | |
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| Hunting/Fishing calculator | |
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| Audio Line-Out Plug | |
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| Tide Prediction | |
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| Custom Maps Compatible | |
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| Geocaching Mode | |
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| Additional | Floats |
n/a |
Topo Maps will not display on this unit |
Topo Maps will not display on this unit |
This USB mass storage device is compatible with Windows® 2000 or later and Mac® OS X 10.4 or later. |
Radar capable |
| Price |
GPSMAP 78
010-00864-00
$239.00
|
Montana 600
010-00924-00
$469.99
|
GPSMAP 421s w/ DF xdcr
010-00764-01
$499.00
|
GPSMAP 521
010-00760-00
$559.00
|
GPSMAP 620
010-00696-00
$699.00
|
GPSMAP 720s
010-00835-01
$999.00
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