Features
Based on NebulasIV - a new generation multi-constellation multi-frequency high-precision SoC, with 1408 channels and powerful signal processing ability
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
Performance Specifications
| Channel | 1408 channels, based onNebulasIV |
| Frequency | BDS B1I/B2I/B3I/B1C/B2a/B2b GPS L1C/A/L1C/L2P(Y)/L2C/L5 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 |
| Observation Accuracy (RMS) | BDS | GPS/ QZSS | GLONASS | Galileo |
| B1I/B1C/L1C/L1C/A/G1/E1 Code | 10cm | 10cm | 15cm | 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 | 15cm | 15cm | 10cm |
| B3I/L2C/G2/E6 Carrier Phase | 1mm | 1mm | 1mm | 1mm |
| Time Accuracy (RMS) | 20 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) |
| Initialization Time | < 5 s（Typ.） |
| Initialization Reliability | > 99.9%（Typ.） |
| Data Update Rate | Up to 50 Hz |
| Correction | RTCM 3.X |
| Data Format | NMEA0183；Unicore |
Physical Specifications
| Dimensions | 100 × 60 × 11.4 mm |
| Weight | 46.5 g ± 2.5g |
Environmental Specifications
| 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 |
Electrical Specifications
| 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) |
Communication Interfaces
1 x UART (RS-232)
2 x UART (LVTTL)
1 x LAN, 10/100M
1 × 1PPS (LVTTL)
1 × External Clock, 10M / 20M
CN
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