Product overview
The Unicore UM960 provides multi-constellation, multi-frequency RTK positioning for drone shows, lawn mowers, handheld devices, high-precision GIS equipment and robots. Built around Unicore's NebulasIV GNSS system-on-chip, it combines radio-frequency processing, baseband processing and high-precision algorithms. Its 1408 channels enable simultaneous tracking of BDS, GPS, GLONASS, Galileo, QZSS and SBAS signals, with independent tracking of satellite frequencies and on-chip RTK calculations. The module also includes interference and spoofing detection, alongside interference resistance and anti-spoofing features.
The UM960 delivers position updates at 20 Hz, with accuracy varying by positioning mode. Horizontal and vertical RMS accuracy is 1.5 m and 2.5 m in single-point mode, 0.4 m and 0.8 m with DGPS, and 0.8 cm + 1 ppm and 1.5 cm + 1 ppm with RTK. Cold-start positioning takes less than 30 seconds, and typical initialization takes less than 5 seconds, with specified initialization reliability greater than 99.9%. It accepts RTCM 2.3, RTCM 3.X and CMR differential data and supports NMEA 0183 and Unicore data formats.
The module uses a 24-pin LGA package measuring 12.2 × 16.0 × 2.6 mm, with a weight of 1.11 g ± 0.03 g. Its supply requirement is +3.0 V to 3.6 V DC, and typical power consumption is 450 mW. Operating temperature ranges from -40°C to +85°C, with a humidity specification of 95% under non-condensing conditions. Connectivity includes three LVTTL UART interfaces. The single I²C interface and Galileo E6 signal support require specific user authorization.
Specifications
| Specification | Value & conditions |
|---|---|
| Module type | Multi-constellation, multi-frequency RTK positioning moduleUM960 model. |
| Drone application | Performance-drone navigation and positioningStated application area. |
| Model and type | Unicore UM960; BDS/GPS/GLONASS/Galileo/QZSS multi-frequency high-precision RTK positioning module |
| GNSS chipset | NebulasIV GNSS SoC integrating RF, baseband and high-precision algorithms |
| RTK and tracking features | On-chip multi-constellation, multi-frequency RTK positioning; all-constellation, all-frequency RTK engine and full-sky RTK technology; independent tracking of each satellite frequency |
| Channels | 1408; based on NebulasIV |
| Supported signals |
|
| Position accuracy | Horizontal: 1.5 m; vertical: 2.5 mRMS; single-point positioning |
| Position accuracy | Horizontal: 0.4 m; vertical: 0.8 mRMS; DGPS |
| Position accuracy | Horizontal: 0.8 cm + 1 ppm; vertical: 1.5 cm + 1 ppmRMS; RTK |
| Observation accuracy | Pseudorange: 10 cm; carrier phase: 1 mm for each listed constellation and signal groupRMS; BDS, GPS, GLONASS and Galileo; signal groups B1I/L1 C/A/G1/E1 and B2I/L2P/L2C/G2/E5b |
| Timing accuracy | 20 nsRMS |
| Velocity accuracy | 0.03 m/sRMS |
| Data update rate | 20 Hz |
| Time to position fix | Less than 30 sCold start |
| Initialization time | Less than 5 sTypical |
| Initialization reliability | Greater than 99.9% |
| Differential data formats | RTCM 2.3, RTCM 3.X, CMR |
| Data formats | NMEA 0183, Unicore |
| Package | 24 pin LGA |
| Dimensions | 12.2 × 16.0 × 2.6 mm |
| Weight | 1.11 g ± 0.03 g |
| Operating temperature | -40°C to +85°C |
| Storage temperature | -55°C to +95°C |
| Humidity | 95%Non-condensing |
| Vibration standard | GB/T 28046.3, 1SO 16750-3 |
| Shock standard | GB/T 28046.3, 1SO 16750-3 |
| Supply voltage | +3.0 V to 3.6 V DC |
| Power consumption | 450 mWTypical |
| UART interfaces | 3 × UART (LVTTL) |
| I²C interface | 1 × I²CSupported for specifically authorized users |
| Interference and spoofing protection | Interference resistance and anti-spoofing; interference detection and spoofing detection |
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