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Garmin 010-00516-24 GPSMAP 420s GPS receiver, 12 channel Receiver, without transducer, LCD 240 x 320 Resolution, 4" Diagonal Size, Color Support, 45 sec Cold, 15 sec Warm, Built-in Antenna, 1500 Waypoints, 20 Tracks, 10000 Tracklog Points, 20 Routes,
![Configuring the Communication Settings in the Garmin GPSMap 421S and GPSMap 521S with GPS City - YouTube Configuring the Communication Settings in the Garmin GPSMap 421S and GPSMap 521S with GPS City - YouTube](https://i.ytimg.com/vi/wswUEBORDT8/hq720.jpg?sqp=-oaymwEhCK4FEIIDSFryq4qpAxMIARUAAAAAGAElAADIQj0AgKJD&rs=AOn4CLAosDx8vt-0Bfd6apite-Nrbn7hjg)
Configuring the Communication Settings in the Garmin GPSMap 421S and GPSMap 521S with GPS City - YouTube
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Garmin GPSMAP 420s Marine GPS Boat Chartplotter Fishfinder W/ Cable Cover Mount for sale online | eBay
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