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UM982 GPS/BDS/GLONASS/Galileo/QZSS All-constellation Multi-frequency High Precision Positioning and Heading Module

UM982 Features

Based on the new generation GNSS SoC - NebulasIV, which integrates RF, baseband and high precision algorithm

Supports all-constellation multi-frequency on-chip RTK positioning and dual-antenna heading solution

Dual-RTK technology

60 dB narrowband interference suppression and interference detection

Adaptive recognition of RTCM format differential data

STANDALONE single-station high-precision positioning technology

Supports B2b-PPP and E6-HAS

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Product Description

Channel1408 channels, based on NebulasIV
Frequency

GPS L1C/A, L2C, L2P(Y), L5

BDS B1I, B2I, B3I, B1C*, B2b*

GLONASS G1, G2

Galileo E1, E5a, E5b, E6*

QZSS L1C/A, L2C, L5

SBAS L1C/A

Single Point Positioning (RMS)

Horizontal: 1.5m

Vertical: 2.5m

DGPS (RMS)

Horizontal: 0.4m

Vertical: 0.8m

RTK (RMS)

Horizontal: 0.8cm+1ppm

Vertical: 1.5cm+1ppm

Observation accuracy (RMS)BDSGPSGLONASSGalileo
B1I/L1 C/A/G1/E1 code10cm10cm10cm10cm
B1I/L1C/A/G1/E1 carrier phase1mm1mm1mm1mm
B2I/L5/E5a/E5b code10cm10cm10cm10cm
B2I/L5/E5a/E5b carrier phase1mm1mm1mm1mm
B3I/L2P(Y)/L2C/G2 code10cm10cm10cm10cm
B3I/L2P(Y)/L2C/G2 carrier phase1mm1mm1mm1mm
Heading accuracy0.1°/1 m baseline
Time accuracy20 ns
Velocity accuracy (RMS)0.03 m/s
Cold start<30s
Initialization time<5s (typical)
Initialization reliability>99.9%
Data update rate

Dual antenna 20 Hz (RTK+Heading)

20 Hz raw data output

Differential dataRTCM V3.X
Data FormatNMEA 0183, Unicore
Physical Characteristics
Packaging48 pin LGA
Dimension16.0 × 21.0 × 2.6 mm
Weight1.82±0.03g
Environmental Specifications
Working temperature-40°C~+85°C
Storage Temperature-55°C~+95°C
Humidity95% No condensation
VibrationGJB150.16A-2009, MIL-STD-810F
ShockGJB150.18A-2009, MIL-STD-810F
Communication Interface

3 × UART (LVTTL)

1 × SPI*

1 × I2C*

1 × CAN* (share the pin with UART3)

Note: Items marked with * are only supported by specific firmware.


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