Quick view Lowrance Nmea2000 4-way Joiner Micro-c Lowrance $55.99 Lowrance NMEA2000 4 Way Block Model: 000-12612-001 UPC: 9420024146071 New low loss NMEA2000 4-way joiner. Connect four NMEA2000 Micro-C devices to the NMEA2000 Network.