Product Description:
UT986
GNSS All-constellation Multi-frequency High Precision Timing Module
Unicore's advanced proprietary GNSS high-precision timing module is compatible with all systems and operates across multiple frequencies. This GNSS timing module consistently achieves outstanding performance, even in intricate electromagnetic environments. The UT986 GNSS timing module offers nanosecond-level PPS accuracy and accommodates various timing modes, such as fixed-location timing, optimized-location timing, and positioning timing, thereby ensuring remarkable timing precision in challenging signal conditions.
APPLICATIONS
• Precision Timing
Features
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• Based on the new generation GNSS SoC -NebulasIV, which integrates RF, baseband and high precision algorithm
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• New generation all-constellation multi-frequency high accuracy timing module, supports BeiDou-3 signals
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• Nanosecond-level PPS accuracy, with time quality indicator output
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• Excellent anti-jamming ability, tracking different signals through different RF channels
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• Supports interference detection and spoofing detection
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• Supports single-satellite timing and positioning
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Technical Specifications
Performance Specifications
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Channel
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1408 channels, based on NebulasIV
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GPS L1C/A, L2C, L5
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BDS B1I, B1C, B2a
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Frequency
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GLONASS G1
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Galileo E1, E5a, E5b
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QZSS LC/A, L2C, L5
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QZSS L1, L5
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SBAS L1C/A
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Horizontal: 1.5 m (dual system, open sky)
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Positioning accuracy (CEP)
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vertical: 2.5 m (dual system, open sky)
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Velocity accuracy (RMS)
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0.03 m/s (dual system horizontal, open sky)
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NAME 1234 GPS1234 123BDS 125123GLONASS 514 Galileo
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Cold start 15-147 dBm123-145 dBm123 -145 dBm123 -145 dBm
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Observation accuracy (RMS)
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Tracking 123-161 dBm 123-160 dBm123 -155 dBm 123-155 dBm
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Cold start < 30 s
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Time to First Fix (TTFF)
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Reacquision < 3 s
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1PPS accuracy
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< 5 ns(1σ)
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Data update rate
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1 Hz，RTCM up to 10 Hz
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Differential Data
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RTCM V3.X
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Data format
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NMEA 0183, Unicore
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Physical Specifications
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Packaging
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28 pin LCC
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Dimension
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17.0 × 22.4 × 2.4 mm
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Weight
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1.9 g
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Power Supply
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Voltage
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3.0 V ~ 3.6 V DC
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Power consumption
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700 mW (Typical)
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Environmental Specifications
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Working temperature
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-40 °C ~ +85 °C
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Storage temperature
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-40 °C ~ +95 °C
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I/O Interface
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2 x UART
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1 x PPS (LVTTL )
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RF Input
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Input impedance
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50 Ω
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Antenna gain
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5 dB ~ 35 dB
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1
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