Unicore’s new-generation proprietary GNSS high-precision timing module works on all systems and multiple frequencies. The module integrates filters and linear amplifiers, providing optimized RF structure and having interference suppression capability. Combining the adaptive anti-interference technology and multi-path mitigation algorithm, it supports interference detection and spoofing detection, ensuring that the module continuously provides excellent performance even in complex electromagnetic environments. UT986 delivers nanosecond-level PPS accuracy and allows multiple timing modes, including fixed-location timing, optimized-location timing, and positioning timing, enabling exceptional timing accuracy in complex signal environment
Based on Unicore's proprietary GNSS SoC NebulasIV that integrates RF, baseband and high-precision algorithm
New generation all-constellation multi-frequency high accuracy timing module, supports BeiDou-3 signals
Nanosecond-level PPS accuracy, with time quality indicator output
Excellent anti-jamming capability, tracking different signals through different RF channels
Supports interference detection and spoofing detection
Supports single-satellite timing and positioning
Channel | 1408 channels, based on NebulasIV | ||||
Frequency | GPS L1C/A, L2C, L5 | ||||
BDS B1I, B1C, B2a | |||||
GLONASS G1 | |||||
Galileo E1, E5a, E5b | |||||
QZSS LC/A, L2C, L5 | |||||
Positioning Accuracy (CEP) | Horizontal: 1.5 m (dual system, open sky) | ||||
vertical: 2.5 m (dual system, open sky) | |||||
Velocity Accuracy (RMS) | 0.03 m/s (dual system horizontal, open sky) | ||||
Observation Accuracy (RMS) | GPS | BDS | GLONASS | Galileo | |
Cold start | -147 dBm | -145 dBm | -145 dBm | -145 dBm | |
Tracking | -161 dBm | -160 dBm | -155 dBm | -155 dBm | |
Time to First Fix (TTFF) | Cold start < 30 s | ||||
Reacquision < 3 s | |||||
1PPS Accuracy | < 5 ns(1σ) | ||||
Data Update Rate | 1 Hz,RTCM up to 10 Hz | ||||
Differential Data | RTCM V3.X | ||||
Data Format | NMEA 0183, Unicore |
Packaging | 28 pin LCC |
Dimension | 17.0 × 22.4 × 2.4 mm |
Weight | 1.9 g |
![]() | 3.0 V ~ 3.6 V DC |
Power consumption | 700 mW (Typical) |
Working temperature | -40 °C ~ +85 °C |
Storage temperature | -40 °C ~ +95 °C |
2 x UART LVTTL, baud rate: 9600 bps to 921600 bps |
1 x PPS (LVTTL ) |
Input impedance | 50 Ω |
Antenna gain | 5 dB ~ 35 dB |