GPSMAP 557

main features

crisp 5" display VGA 640 x 480 pixels

high sensitivity 10 Hz GPS/GLONASS receiver

wireless communication via Wi-Fi and bluetooth

supports radar, autopilot, engine data, VHF, fusion-link, sailassist, and more

Garmin helm and bluechart mobile 2.0 compatible

bluechart g2 and g2 vision compatible

quickdraw contours compatible

Installation options bracket - flush or flat mounted

SONAR FEATURES

buit in Garmin HD-ID sonar supports a wide range of compatible Garmin transducers, including 50/200 kHz 77/200 kHz CHIRP traditional and Garmin CHIRP downVu

transmit power: 1 kW RMS (8000 W PTP) : CHIRP 1 kW RMS (8000 W PTP

graphic logging of water temp. and sonar recording