Standard Features:

Tracking: 216 channels: all-in-view satellite tracking, GPS L1, SBAS L1, Spectrum Data Output, Spoofing Detection, Advanced Multipath Reduction, Fast acquisition channels
Data: 20 Hz update & RTK rate for real time position and raw data (code and carrier), Hardware Viterbi decoder, RTCM SC104 versions 2.x, and 3.x Input/Output, NMEA 0183 versions 2.x and 3.0 Output, Code Differential Rover, Code Differential Base, Geoid and Magnetic Variation models, RAIM, Different DATUMs support, Output of grid coordinates, 256 MB of onboard memory for data storage
I/O: High speed UART serial port (up to 460.8 Kbps)

Optional Features:

Tracking: Galileo E1, BeiDou B1, QZSS L1
Data: 100 Hz Update Rate, 100 Hz RTK Rate
I/O: 1-PPS

Resources