(NEW) JRC IMO GPS MODEL JLR-8400 / JLR-8600– Multi-GNSS Sensor (GPS, GLONASS, QZSS or BeiDou)– Up to 22 satellites trackable– Flexible system configuration– Easy to install and high reliability Newer Post ALPHA-LINE MULTI FUNCTION (MF) DISPLAY Older Post (NEW) SINGLE AXIS SPEED LOG MODEL JLN-740 / JLN-741