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Multi functional intelligent mobile terminal

Multi satellite system high-precision positioning、satellite mobile phone

Scan、RFID、 Fingerprint recognition, facial recognition

Infrared thermography, temperature detection, toxic gas detection

Public network intercom, analog intercom, digital intercom（DMR）

Multiple data interfaces: RS232/485、RJ45、USB3.0、Type-C、HDMI

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Product Detail

UM982 Multi-Frequency GNSS RTK Dual-Antenna Positioning & Heading Module

UM982 Multi-Frequency GNSS RTK Dual-Antenna Positioning & Heading Module

UM982 is a next-generation multi-constellation, multi-frequency GNSS RTK module with dual-antenna heading capability, delivering centimeter-level accuracy and superior anti-interference performance.

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Product Detail

The UM982 is a cutting-edge high-precision GNSS positioning and heading module developed on Unicore’s NebulasIV SoC. It integrates RF, baseband, and advanced RTK algorithms into a compact form factor, enabling reliable centimeter-level positioning even in complex environments.

ITEM	DESCRIPTION
Packaging	48 pin LGA
Dimensions	16.0x 21.0 x 2.6 mm
Weight	1.82 + 0.03 g
Environmental Specifications
Operating Temperature	-40°C~+85°C
Storage Temperature	-55°C~+95°C
Humidity	95% No condensation
Vibration	MIL-STD-810F
Shock	MIL-STD-810F
Communication Interfaces	3 x UART (LVTTL)
	1 x SPI*
	1x12C*
	1 x CAN* (shared with UART3)
PerformanceSpecifications
Channel	1408 channels, based on NebulasIV
Frequency	GPS L1C/A, L2C, L2P(Y), L5
	BDS B1I, B21, B3I,B1C,B2b
	GLONASS G1, G2
	Galileo E1, E5a, E5b, E6*
	QZSS L1C/A, L2C, L5, L6*
	SBAS L1C/A
Single PointPositioning(RMS)	Horizontal: 1.5 m
	Vertical:2.5 m
DGPS (RMS)	Horizontal: 0.4 m		Heading Accuracy (RMS) 0.1°/1 m baseline
	Vertical:0.8 m		Time Accuracy (RMS) 20 ns
RTK(RMS)	Horizontal: 0.8 cm + 1 ppm		Velocity Accuracy (RMS) 0.03 m/s
	Vertical: 1.5cm + 1 ppm		Cold Start <30s
PPP(RMS)	Horizontal:5 cm		Initialization Time <5 s (typical)
	Vertical:10cm		Initialization Reliability >99.9%
Observation Accuracy (RMS)	BDS	GPS	GLONASS	Galileo
B11/L1 C/A/G1/E1 Code	10 cm	10 cm	10 cm	10 cm
B1/L1C/A/G1/E1 Carrier Phase	1mm	1mm	1mm	1mm
B2/L5/E5a/E5b Code	10 cm	10 cm	10 cm	10 cm
B21/L5/E5a/E5b Carrier Phase	1mm	1mm	1mm	1mm
B31/L2P(Y)/L2C/G2 Code	10cm	10cm	10cm	10cm
B31/L2P(Y)/L2C/G2 Carrier Phase	1mm	1mm	1mm	1mm
Data Update Rate	Dual antenna 20 Hz (RTK+Heading)
	20 Hz raw data output
Differential Data	RTCM V3.X
Data Format	NMEA 0183, Unicore

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Previous : UM980 Multi-Frequency GNSS RTK High-Precision Positioning Module

Product Detail

ITEM	DESCRIPTION
Packaging	48 pin LGA
Dimensions	16.0x 21.0 x 2.6 mm
Weight	1.82 + 0.03 g
Environmental Specifications
Operating Temperature	-40°C~+85°C
Storage Temperature	-55°C~+95°C
Humidity	95% No condensation
Vibration	MIL-STD-810F
Shock	MIL-STD-810F
Communication Interfaces	3 x UART (LVTTL)
	1 x SPI*
	1x12C*
	1 x CAN* (shared with UART3)
PerformanceSpecifications
Channel	1408 channels, based on NebulasIV
Frequency	GPS L1C/A, L2C, L2P(Y), L5
	BDS B1I, B21, B3I,B1C,B2b
	GLONASS G1, G2
	Galileo E1, E5a, E5b, E6*
	QZSS L1C/A, L2C, L5, L6*
	SBAS L1C/A
Single PointPositioning(RMS)	Horizontal: 1.5 m
	Vertical:2.5 m
DGPS (RMS)	Horizontal: 0.4 m		Heading Accuracy (RMS) 0.1°/1 m baseline
	Vertical:0.8 m		Time Accuracy (RMS) 20 ns
RTK(RMS)	Horizontal: 0.8 cm + 1 ppm		Velocity Accuracy (RMS) 0.03 m/s
	Vertical: 1.5cm + 1 ppm		Cold Start <30s
PPP(RMS)	Horizontal:5 cm		Initialization Time <5 s (typical)
	Vertical:10cm		Initialization Reliability >99.9%
Observation Accuracy (RMS)	BDS	GPS	GLONASS	Galileo
B11/L1 C/A/G1/E1 Code	10 cm	10 cm	10 cm	10 cm
B1/L1C/A/G1/E1 Carrier Phase	1mm	1mm	1mm	1mm
B2/L5/E5a/E5b Code	10 cm	10 cm	10 cm	10 cm
B21/L5/E5a/E5b Carrier Phase	1mm	1mm	1mm	1mm
B31/L2P(Y)/L2C/G2 Code	10cm	10cm	10cm	10cm
B31/L2P(Y)/L2C/G2 Carrier Phase	1mm	1mm	1mm	1mm
Data Update Rate	Dual antenna 20 Hz (RTK+Heading)
	20 Hz raw data output
Differential Data	RTCM V3.X
Data Format	NMEA 0183, Unicore