best convertor

We have an older Standard Horizon GX2150 that uses NMEA0183 to transmit/receive AIS,DSC/GPS data with a chartplotter. Our new chartplotter is a B&G Vulcan 7 FS that only has NMEA2000 connections. I have seen 3 devices that look like they may fit the bill: (All cost about the same.) Actisence...