GPS Sensor Specifications
Receiver Type: GNSS L1 & L2 RTK with carrier phase
Signals Received: GPS, GLONASS and GALILEO
GPS Sensitivity: -142 dBm
SBAS Tracking: 3-channel, parallel tracking
Update Rate: 1 Hz standard, 10 Hz optional
Horizontal Accuracy: RMS (67%) 2DRMS (95%)
RTK: 1 10 mm + 1 ppm 20 mm + 2 ppm
SBAS (WAAS): 2 0.3 m 0.6 m
Autonomous, no SA: 2 1.2 m 2.5 m
Timing (1PPS) Accuracy: 20 ns
Cold Start: < 60 s typical (no almanac or RTC)
Warm Start: < 30 s typical (almanac and RTC)
Hot Start: < 10 s typical (almanac, RTC andposition)
Maximum Speed: 1,850 kph (999 kts)
Maximum Altitude: 18,288 m (60,000 ft)
Communications
Serial Ports: 4 full-duplex 3.3 V CMOS (3 main serial ports, 1 differential-only port), 1 USB Host, 1 USB Device
Baud Rates: 4800 - 115200
Correction I/O Protocol: Hemisphere GPS proprietary, ROX Format, RTCM v2.3 (DGPS), RTCM v3 (RTK), CMR, CMR+
Data I/O Protocol: NMEA 0183, Crescent binary 3
Timing Output: 1PPS, CMOS, active low, falling edge sync, 10 kΩ, 10 pF load
Event Marker Input: CMOS, active low, falling edge sync,10 kΩ, 10 pF load
Environmental
Operating Temperature: -40°C to +85°C (-40°F to +185°F)
Storage Temperature: -40°C to +85°C (-40°F to +185°F)
Humidity: 95% non-condensing (when installed in an enclosure)
Shock: Mechanical Shock: EP455 Section 5.14.1 Operational (when mounted in an enclosure with screw mounting holes utilized)
Vibration: EP455 Section 5.15.1 Random
EMC: CE (IEC 60945 Emissions and Immunity) FCC Part 15, Subpart B, CISPR22
Power
Input Voltage: 3.3 VDC +/- 5%
Power Consumption: < 1.9 W nominal GPS (L1/L2) and GLONASS (L1/L2)
Current Consumption: 550 mA nominal GPS (L1/L2) and GLONASS (L1/L2)

Antenna Voltage: 15 VDC maximum

Antenna Short Circuit
Protection: Yes
Antenna Gain Input Range: 10 to 40 dB
Antenna Input Impedance: 50 Ω
Mechanical
Dimensions
P300: 7.1 L x 4.1 W x 1.3 H (cm)
         2.8 L x 1.6 W x 0.5 H (in)
P301: 7.2 L x 4.1 W x 1.3 H (cm)
         2.85 L x 1.6 W x 0.5 H (in)
Weight: < .02 kg (< 0.70 oz.)
Status Indication (LED): Power, GPS lock, Differential lock, DGPS position

Power/Data Connector
P300: 34-pin male header, 0.05” or 1.27 mm pitch
P301: 20-pin male header, 0.08” or 2 mm pitch
Antenna Connectors: MCX, female, straight