... 1.high performance 2.NMEA0183 4.SiRF III chipset Marine GPS Receiver XC-MA97 Features:Compact, high performance, and low power consumptionAdopting ... RMS, WAAS enabledVelocity: 0.1m/sTime: 1 us synchronized to GPS timeAvailable baud rateDefault: GGA, GSA, GSV, RMC Support: VTG, GLL ... )Velocity: 515m/sec (max)Acceleration: 4G (max) Customization for this GPS is available!