GARMIN 010-00762-01 GPSMAP 541 SERIES MARINE GPS RECEIVER (GPSMAP 541S; WITH DUAL-FREQUENCY TRANS ULTRA-BRIGHT 5 DIAGONAL QVGA DISPLAY; 234 X 320 PIXELS OVER 800 NITS OF BRIGHTNESS; NMEA 2000 CERTIFIED FOR SEAMLESS INTEGRATION WITH THE GARMIN MARINE LINEUP; PRELOADED WORLDWIDE MARINE BASEMAP; COMPATIBLE WITH GXM 51 FOR XM RADIO & XM WX SATELLITE WEATHER; BUILT-IN HIGH-SENSITIVITY GPS RECEIVER; POWER OUTPUT: 500W (RMS) 4000W (PEAK TO PEAK) DUAL FREQUENCY; DEPTH: 1500 FT / 500 M (DUAL […]