UM980 ultraLight RTK Receiver with Multi-Band Quad-Helix Antenna and Compass - ELT0271-FD - 1

UM980 ultraLight RTK Receiver with Multi-Band Quad-Helix Antenna and Compass - ELT0271-FD - 2

UM980 ultraLight RTK Receiver with Multi-Band Quad-Helix Antenna and Compass - ELT0271-FD - 3

UM980 ultraLight RTK Receiver with Multi-Band Quad-Helix Antenna and Compass - ELT0271-FD - 4

UM980 ultraLight RTK Receiver with Multi-Band Quad-Helix Antenna and Compass - ELT0271-FD - 5

Image is for illustrative purposes only. Please refer to product description.

Product Features

Overview

Engineered for flexibility, the UM980 ultraLight multi-band high-precision RTK module supports concurrent reception of GPS, GLONASS, Galileo, BeiDou, QZSS, NavIC, and SBAS, delivering high-performance navigation even in challenging environments. Lightweight, efficient, and reliable, it is an ideal choice for UAVs and robotic platforms requiring uncompromised performance in a compact form factor.

Supported by: PX4 Autopilot, Ardupilot

Device Features:

Build-in professional RM3100 magnetometer
On-board low noise 3.3V voltage regulator
Supports RTK positioning across all major constellations
Multi-frequency tracking for robust accuracy and fast initialization
Power LED: violet; RTK LED: orange; Time pulse LED: green
SMA antenna connector for external GNSS antenna attachment
Power supply: 5 VDC
Compact, durable enclosure with mounting base — purpose-built for UAVs and robotics
UPrecise Unicore Evaluation Software

Physical Characteristics:

Dimensions:
- Device: 89 × Ø27.5 mm
- Device with antenna: 148.7 × Ø27.5 mm
- Device on mounting base, with antenna: 235 × Ø27.5 mm
Weight:
- Device: 24.5 g
- Device with antenna: 41 g
- Device on mounting base, with antenna: 48.5 g
Water and Dust Resistance: IP55
Operating Temperature: -10 °C ~ +60 °C
Connector type: JST GH 6 pin, SMA
Mounting Options: Screw mount
RoHS & Reach Compliant
Fully assembled, tested, and ready for use

Kit included:

RTK receiver – 1 piece
L1/L2/L5 Multiband RTK GNSS Active Quad Helix Antenna - 1 piece
Cable 400mm JST GH male 6 pin to 6 pin compatible with Pixhawk – 1 piece
3D printed mounting - 1 piece
Extender 100 mm - 1 piece

UM980 Module Specifications

General Description:

Based on the new generation GNSS SoC - NebulasIV, which integrates RF, baseband, and high precision algorithm
17.0 x 22.0 x 2.6 mm LGA package
Supports on-chip RTK positioning calculation on all systems and multiple frequencies
Supports GPS L1C/A/L1C/L2P(Y)/L2C/L5, BDS B1I/B2I/B3I/B1C/B2a/B2b, GLONASS G1/G2/G3, Galileo E1/E5a/E5b/E6, QZSS L1C/A/L1C/L2C/L5, NavIC L5 and SBAS L1C/A
All-system multi-frequency RTK engine and advanced RTK technology
Independent tracking of different frequencies and 60dB narrowband anti-jamming technology
1408 channels, based on NebulasIV

Frequency:

GPS L1C/A/L1C/L2P(Y)/L2C/L5
BDS B1I/B2I/B3I/B1C/B2a/B2b
GLONASS G1/G2/G3
Galileo E1/E5a/E5b/E6
QZSS L1C/A/L1C/L2C/L5
NavIC L5
SBAS L1C/A

Single point positioning (RMS):

Horizontal: 1.5 m
Time Accuracy(RMS) - 20 ns
Vertical: 2.5 m
Velocity Accuracy (RMS) - 0.03 m/s

DGPS (RMS):

Horizontal: 0.4 m
Cold start < 12
Vertcal: 0.8 m
Initialization Time < 5 s (typical)

RTK (RMS):

Horizontal: 0.8 cm + 1 ppm
Initialization Reliability > 99.9%
Vertical: 1.5cm + 1 ppm
Data Update Rate 50 Hz* Positioning

Observation accuracy (RMS):

BDS / GPS / GLONASS / Galileo
B1I/L1 C/A/G1/E1 Code / 10 cm / 10 cm / 10 cm / 10 cm
B1I/L1 C/A/G1/E1 Carrier Phase / 1 mm / 1 mm / 1 mm / 1 mm
B2I/L5/E5a/E5b Code / 10 cm / 10 cm / 10 cm / 10 cm
B2I/L5/E5a/E5b Carrier Phase / 1 mm / 1 mm / 1 mm / 1 mm
B3I/L2P(Y)/L2C/G2 Code / 10 cm / 10 cm / 10 cm / 10 cm
B3I/L2P(Y)/L2C/G2 Carrier Phase / 1 mm / 1 mm / 1 mm / 1 mm

Differential Data - RTCM V3.X
Data Format - NMEA-0183, Unicore

Physical Characteristics:

Packaging: 54 pin LGA
Dimension: 17.0 × 22.0 × 2.6 mm
Weight: 1.88 ± 0.03 g

Environmental Speciﬁcations:

Working 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 × UART (LVTTL)
1 × I2C*
1 × SPI* (slave)
1 × CAN* (shared with UART3)

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

Downloads

RM3100_RM2100_Magneto_Inductive_Magnetometer_User_Manual_V13_0

UM980 ultraLight RTK Receiver with Multi-Band Quad-Helix Antenna and Compass

Name: UM980 ultraLight RTK Receiver with Multi-Band Quad-Helix Antenna and Compass
Brand: Unicore
Price: 269.99 EUR
Availability: InStock

SKU: ELT0271-FD

EAN: 4751046552713

Brand: Unicore

OEM Customization Available

B2B Wholesale pricing available

Get B2B Consultation

€269,99

Tax excluded

Is a next-generation, ultra-lightweight RTK GNSS solution built around the powerful UM980 module, integrated with a high-precision RM3100 compass, and external helix antenna.

It is purpose-designed for weight-sensitive UAVs, robotics, and mobile applications where every gram matters. With its advanced multi-band RF front-end, the UM980 ultraLight all-band high precision RTK module is capable of simultaneously tracking all major GNSS constellations — ensuring robust positioning and centimeter-level accuracy when combined with correction data.

WARNING: When powering the device via an AC adapter, connect grounded antennas ONLY when the device is powered off.

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Available in stock (>10 pcs)

Settings: Factory default

Factory default NMEA RTK Automotive rover NMEA RTK UAV rover

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Warranty

1 Year Limited Warranty

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Returns

14-day hassle-free returns

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Support

Lifetime technical support

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