The GPSMAP 168 Sounder is a combination GPS receiver and chartplotter which includes a depth-finder. The unit also contains an impressive list of features including a powerful 12 parallel channel GPS receiver and tide prediction tables. Featuring a built-in worldwide basemap with U.S. highways, interstates, rivers, and lakes, the GPSMAP 168 Sounder also can download up to 2.5 MB of extra map data from GARMIN's MapSource™ line of CD-ROMs, including Fishing Hot Spots.

Physically, the unit resembles GARMIN's popular Fishfinder 240. It measures about five by six inches in size and boasts a four-level gray FSTN LCD display with 240 x 240 pixels. Even in the dark the unit is easy to read, thanks to a backlit display.

Additionally, the GPSMAP 168 Sounder has a 150-watt depth-finder to make catching fish a whole lot easier. The unit features GARMIN's exclusive See-Thru® technology which will help separate fish returns from thermoclines and structure. What's more, a graphic whiteline on the GPSMAP 168 Sounder provides a clear image of both bottom hardness and structure.

NOTE: A transducer is required for operation of the GPSMAP 168 Sounder. A 200KHz, 20 deg, plastic, transom mount transducer with depth and temperature is supplied with some GPSMAP 168 Sounder models. If you wish to use another type of transducer you could purchase the GPSMAP 168 Sounder without a transducer (010-00202-02 or 010-00199-02) and pair it with one of GARMIN's range of single-frequency transducers. Click here for a list of compatible transducers.