• Ultrabright 4" QVGA display
• Internal high-sensitivity GPS antenna
• 3,200 watts peak-to-peak power reaches depths of 900 ft.
• Dual-beam transducer 80kHz/45°, 200kHz/14°
• AutoGain technology for enhanced target visibility
The GPSMAP 421s is a compact chartplotter that features an ultra-bright 10.16cm (4") QVGA colour display along with an improved high-speed digital design for increased map drawing and panning speeds. It’s ready to go with a built-in, satellite-enhanced worldwide basemap and an easy-to-use interface designed to help you navigate the open waters with ease. The GPSMAP 421s also accepts BlueChart® g2 Vision® cards for added features and functionality such as high-resolution satellite imagery, 3-D views and Auto Guidance technology.
View Satellite-enhanced Worldwide Basemap
The GPSMAP 421s basemap contains worldwide satellite images in place of traditional maps. The GPSMAP 421s also comes standard with a high-sensitivity GPS receiver for superior satellite tracking and quicker acquisition times. In addition, the GPSMAP 421s can receive Canadian graphical weather data via optional GXM 51 satellite receiver/antenna. And with an SD™ card slot, it’s easy to add additional maps without connecting to a computer.
Where applicable, the GPSMAP 421s, comes with a powerful dual-frequency transducer that clearly illustrates depth contours, fish targets and structures whether you’re fishing in freshwater or off the coast. The GPSMAP 421s is also NMEA 2000®-certified for easy connectivity with sensors, instruments and future marine offerings.