Videos Different GPS Units – The Next Bite – Site Bites – Season 4 January 22, 2009December 10, 2017 The Next Bite GPS, Keith Kavajecz, Lowrance, Lowrance LMS-522c, Videos Keith explains the major differences between the main styles of GPS units. Other Related Posts: The Mercury 400 Verado on the back of a Nitro ZV21 Keith Kavajecz Shows Off the NEW Berkley Deep Hit Stick Using a Lowrance GPS in a Duck Boat can Really Help… Mercury Marine 400 Verado Paired with the Nitro ZV21