The GPSMAP 421 is a compact chart plotter that features an ultra-bright 4" QVGA color display along with an improved high-speed digital design for increased map drawing and panning speeds. It's ready to ; with a built-in, satellite-enhanced worldwide basemap and an easy-to-use interface designed to help you navigate the open waters with ease. « less
Product Specifications –
General
Antenna : Built-inCard Reader : SD Memory CardCompatible Software : BlueChart g2 VisionFeatures : Optional external GPS antenna connection, alarm, automatic routingFirst Seen On ;ogle Shopping : October 2009Included Software : Garmin Worldwide Marine BasemapInterface : NMEA 0183, NMEA 2000Product Type : ChartplotterRecommended Use : Marine
