GARMIN GPS19X HVS NMEA 0183 - GPS SENSOR by Garmin GENIUNE GARMIN PART - 010-01010-00 Highly accurate position receivers that provide up to 10Hz position, velocity and time data via NMEA 0183 Can support multiple GNSS  including GPS, GLONASS, Galileo2, QZSS2 32 Channel receiver  since more overhead satellites are now visible, users will see more accurate fixes in challenging conditions