UB9A0 is Unicore's new-generation proprietary high-precision RTK positioning board based on Unicore's proprietary GNSS SoC NebulasIV that integrates RF, baseband and high-precision algorithm, supporting GPS, BDS, GLONASS, Galileo, QZSS, NavIC and SBAS. The board provides millimeter-level carrier-phase observations and centimeter-level RTK positioning output, and supports advanced multi-path mitigation and low elevation angle tracking. UB9A0 is compatible with mainstream GNSS OEM boards on the market and provides UART, Ethernet, and other interfaces to meet the needs of users in different applications such as surveying and mapping, CORS stations, portable base stations, earthquake monitoring and global monitoring stations.
Based on NebulasIV - a new generation multi-constellation multi-frequency high-precision SoC, with 1408 channels and powerful signal processing abilityBased on NebulasIV - a new generation multi-constellation multi-frequency high-precision GNSS SoC, with 1408 channels and powerful signal processing capability
Supports GPS/BDS/GLONASS/Galileo/QZSS/NavIC/SBAS single-constellation standalone positioning and multi-constellation joint positioning
Supports advanced multi-path mitigation and low elevation angle tracking
Supports the output of carrier-phase observations with millimeter-level accuracy
High reliability, high stability, suitable for challenging environment
Supports UART、Ethernet、1PPS、EVENT and external clock input
Supports antenna signal detection and short circuit protection
Size compatible with mainstream GNSS OEM boards on the market
Channel | 1408 channels, based onNebulasIV | |||
Frequency | GPS L1C/A, L1C, L2P(Y), L2C, L5 | |||
BDS B1I, B2I, B3I, B1C, B2a, B2b | ||||
GLONASS G1, G2, G3 | ||||
Galileo E1, E5a, E5b, E6 | ||||
QZSS L1C/A, L1C, L2C, L5 | ||||
NavIC L5 | ||||
SBAS L1 C/A | ||||
L-Band* | ||||
Single Point Positioning (RMS) | Horizontal:1.5 m | |||
Vertical:2.5 m | ||||
SBAS(RMS) | Horizontal:0.8 m | |||
Vertical:0.8 m | ||||
DGPS(RMS) | Horizontal:0.4m + 1ppm | |||
Vertical:0.8m + 1ppm | ||||
RTK(RMS) | Horizontal:0.8 cm + 1 ppm | |||
Vertical:1.5 cm + 1 ppm | ||||
PPP (RMS) | Horizontal: 5 cm | |||
Vertical: 10 cm | ||||
Observation Accuracy (RMS) | BDS | GPS/ QZSS | GLONASS | Galileo |
B1I/B1C/L1C/L1C/A/G1/E1 Code | 10cm | 10cm | 10cm | 10cm |
B1I/B1C/L1C/L1C/A/G1/E1 Carrier Phase | 1mm | 1mm | 1mm | 1mm |
B2I/B2a/B2b/L5/L2P(Y)/G3/E5a/E5b Code | 10cm | 10cm | 10cm | 10cm |
B2I/B2a/B2b/L5/L2P(Y)/G3/E5a/E5b Carrier Phase | 1mm | 1mm | 1mm | 1mm |
B3I/L2C/G2/E6 Code | 10cm | 10cm | 10cm | 10cm |
B3I/L2C/G2/E6 Carrier Phase | 1mm | 1mm | 1mm | 1mm |
Data Update Rate | Up to 50 Hz | |||
Time Accuracy (RMS) | 5 ns | |||
Velocity Accuracy (RMS) | 0.03 m/s | |||
Sensitivity | Reacquisition -148 dBm | |||
Tracking -160 dBm | ||||
TTFF | Hot Start:5 s | |||
Cold Start:15 s | ||||
Reacquisition:1 s (Unlock ≤ 30s) | ||||
Reacquisition:2 s (30 s ≤ Unlock ≤ 90s) | ||||
Correction | RTCM 2.3, RTCM 3.X, CMR | |||
Data Format | NMEA0183;Unicore |
Dimensions | 100 × 60 × 11.4 mm |
Weight | 46.5 g ± 2.5g |
Operating Temperature | -40℃ ~ +85℃ |
Storage Temperature | -55℃ ~ +95 ℃ |
Humidity | 95% No condensation |
Vibration | GJB150.16A-2009,MIL-STD-810 |
Shock | GJB150.18A-2009,MIL-STD-810 |
LNA | +3.2 V ~ +3.6 V DC |
Backup Power | +2.2 V ~ +3.6 V DC |
Ripple Voltage | 100 mVpp (max) |
Power Consumption | 800 mW (typical) |
1 x UART (RS-232) |
2 x UART (LVTTL) |
1 x LAN, 10/100M |
1 × 1PPS (LVTTL) |
1 × External Clock, 10M / 20M |