C-MAP MAX NA-M023 - U.S. Gulf Coast & Inland Rivers - SD Card [NA-M023SDCARD] Brand_Navisafe Providing most of the features

Providing most of the features of the larger RC8

Can retrofit to existing TM258

Dimensions: 381 x 244 x 97 (mm)

while keeping it secure while on the go

featuring the fish-finding capability of wide-angle high CHIRP sonar and the high-resolution images of fish-holding structure from DownScan Imaging™

C-MAP MAX NA-M023 - U.S. Gulf Coast & Inland Rivers - SD Card [NA-M023SDCARD] Brand_Navisafe Providing most of the featuresNA M023 => Gulf of Mexico, Great Lakes and Rivers Coverage of the Gulf states, starting from Boca Raton, FL, down to Key West, FL, then back up and around the Gulf to Brownsville, TX. Also includes coverage of all the Great Lakes: Erie, Superior, Ontario, Huron and Michigan. Coverage of the Great Lakes also includes Fox River and Lake Winnebago, Lake St. Clair and the Trent Severn Waterway. River coverage includes the Mississippi River, Ohio River,