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Active external GPS Antenna for Garmin GPSMap 640 546 545 541 540 536 535 531 526 525 441 440 431 421 420 498 496 495 492 478 378 376 Streetpilot III, GPS II/III/V (comparable to Garmin GA 26C remote antenna, part #010-10052-04)
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Garmin compatible Marine GPS Antenna (BNC-M) for Garmin GPSMap 640 546 545 541 540 536 535 531 526 525 441 440 431 421 420 498 496 495 492 478 378 376 Streetpilot III, GPS II/III/V . Comparable to Garmin GA 29, part #010-00174-00)
![Information, User Data, Transfer, Save To Card, Add New File, Merge From Card, Copy Built-In Map | Garmin GPSMAP 421/421s | Owner's Manual (Page 46) Information, User Data, Transfer, Save To Card, Add New File, Merge From Card, Copy Built-In Map | Garmin GPSMAP 421/421s | Owner's Manual (Page 46)](https://www.manualowl.com/manual_guide/products/garmin-gpsmap-421421s-owners-manual-747abd0/46.png)
Information, User Data, Transfer, Save To Card, Add New File, Merge From Card, Copy Built-In Map | Garmin GPSMAP 421/421s | Owner's Manual (Page 46)
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