C-MAP MAX NA-M023 - U.S. Gulf Coast & Inland Rivers - SD Card [NA-M023SDCARD] Watersports | Accessories Digital Antenna's new 9dB gain

Digital Antenna's new 9dB gain global cellular antenna is designed and manufactured for all cellular systems

20 write-on circuit labels included

Manual clutch blade engagement offers direct control and a low-maintenance

2amp Charger ($49 value)

C-MAP MAX NA-M023 - U.S. Gulf Coast & Inland Rivers - SD Card [NA-M023SDCARD] Watersports | Accessories Digital Antenna's new 9dB gainNA 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,