RAM Mount U-Bolt Base Mount w/X-Grip II [RAM-B-149Z-UN8U] Automotive/RV Connection is easy as 1-2-3:

Connection is easy as 1-2-3: simply click the network cable into a Mastervolt device and off you go

RAM Yoke Clamp Mount with Double Socket Arm and Round Base Adapter

the loudhailer can be set to automatically sound required fog signals for power and sailing vessels underway and at anchor

They are usually used for small antennas

expansion is simple as Vulcan is NMEA 2000®

RAM Mount U-Bolt Base Mount w/X-Grip II [RAM-B-149Z-UN8U] Automotive/RV Connection is easy as 1-2-3:U Bolt Base Mount w X Grip II Part #: RAM B 149Z UN8B Consists of the universal spring loaded X Grip II holder, double socket arm and zinc coated metal u bolt that will accommodate rails from 0. 5" to 1. 25" in diameter. The base includes black cover caps to be placed over the exposed ends of the u bolt. The included composite rail adapter can narrow the rail to a minimum width of 0. 5". X Grip II consists of a spring loaded holder and 1" rubber ball