Garmin GPSMAP® 188C Sounder GPS Receiver

The GPSMAP 188/188C Sounder install easily in open cockpit and overhead boxes, and feature a quick map redraw using a high-speed RISC processor. These units combine chartplotter and sounder capabilities in one unit, with split-screen capability so you can view your position and sounder information at the same time. For the GPSMAP 188 Sounder, detailed marine cartography is presented on a high-resolution (240 x 360 pixels), 10-level grayscale, liquid crystal display. For the GPSMAP 188C Sounder, the display is a high-resolution (234 x 320 pixels), 16-color TFT display.