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UM982 Dual Channel RTK GNSS receiver board with USB C and JST connectors.
  • UM982 Dual Channel RTK GNSS receiver board with USB C and JST connectors.
  • UM982 Dual Channel RTK GNSS receiver board with USB C and JST connectors.
  • EAN-4751046552133 (UM982 Dual Channel RTK GNSS receiver board with USB C and JST connectors.)

UM982 Dual Channel RTK GNSS receiver board with USB C and JST

ELT0213

UM982 Dual Channel RTK GNSS receiver board with USB C and JST connectors. I2C, UART, SPI interfaces. Base, Rover or Heading operation.

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This product comes with 1 years worldwide warranty

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Description

UM982 Dual Channel All-constellation Multi-frequency High Precision GNSS receiver board with USB C and JST connectors. UART, SPI* and I2C* interfaces. Base, dual antenna Rover and dual antenna heading operations.

UM982 is Unicore’s new-generation proprietary high-precision RTK positioning and heading module based on the Nebulas IV SoC which integrates RF, baseband and high-precision algorithm. Its main and secondary antenna inputs can simultaneously track multiple frequencies of all GNSS systems, and the module can perform on-chip RTK positioning and dual-antenna heading calculations. The module supports GPS L1C/A/L2P(Y)/L2C/L5, BDS B1I/B2I/B3I, GLONASS G1/G2, Galileo E1/E5a/E5b and QZSS L1/L2/L5. The built-in multi-frequency anti-jamming technology enhances RTK calculation on multiple modes and frequencies, which significantly improves RTK initialization time, measurement accuracy and reliability in complex environments such as city blocks and tree shades. Featuring the extraordinary positioning performance and reliability, UM982 is a perfect choice for high-precision navigation and positionong applications, such as UAV, autonomous machine and precision agriculture. Board can be used for a Base, Rover or Heading operation mode.

UM982 supported by PX4 Autopilot, Ardupilot, AgOpenGPS and other software, supporting GPS for Yaw aka Moving Baseline.

Board features:

  • Two antenna inputs with SMA connectors
  • On board low noise 3.3 V voltage regulator
  • USB, SPI*, I2C* and UART (Tx, Rx) interface
  • USB C and JST connectors
  • Time pulse LED, Power LED, RTK LED, Geofence LED
  • UPrecise Unicore Evaluation Software
  • Extensive visualization and evaluation features
  • Backup supercapacitor
  • Dimensions 26x39 mm
  • Weight: 10 gr.
  • Fully assembled and ready to use

UM982 module features:

  • Based on the new generation GNSS SoC - NebulasIV, which integrates RF, baseband, and high precision algorithm
  • 16.0 x 21.0 x 2.6 mm LGA package
  • Supports all-constellatiion multi-frequency on-chip RTK positioning and dual-antenna heading solution
  • Supports GPS L1/L2/L5, BDS B1I/B2I/B3I, GLONASS G1/G2, Galileo E1/E5a/E5b and QZSS L1/L2/L5
  • All-system multi-frequency RTK engine and advanced RTK technology
  • Dual-RTK technology
  • Adaptive recognition of RTCM format differential data
  • Independent tracking of different frequencies and advanced anti-jamming technology

Performance Specifications:

  • Channels: 1408 channels, based on NebulasIV

Frequency

  • GPS L1C/A/L2P (Y)/L2C/L5
  • BDS B1I/B2I/B3I
  • GLONASS G1/G2
  • Galileo E1/E5a/E5b
  • QZSS L1/L2/L5

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 < 30 s
  • 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 20 Hz raw data

Observation accuracy (RMS)

 BDS GPS GLONASS Galileo
B1I/L1 C/A/G1/E1 Code  10 cm 10 cm 10 cm 10 cm
B1I/L1C/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: 48 pin LGA
  • Dimension: 16.0 × 21.0 × 2.6 mm
  • Weight: 1.82 ± 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.

Board can be used for a Base, Rover or Heading operation mode!

Product Details
ELT0213
4751046552133
ELT0213
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Reviews Reviews (3)

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By Roland Dabkun on 30/10/2024 UM982 Dual Channel RTK GNSS receiver board with USB C and JST 0 of 0 people found the following review helpful
Total Rating: 0 1 2 3 4

Hello,
I would like to ask you if several um982 modules can be synchronized on time using a cascade connection among them. I mean I would like to have several GNSS chipsets synchronized with the same clock. Do you have any chipset where I can connect them in cascade and they are synchronized all with the same clock/frequency reference?


Shop owner reply (30/10/2024):
Dear Roland,
External module synchronization is possible for timing modules. For example, all our MOSAIC-T timing boards https://gnss.store/69-mosaic-t-timing-gnss-modules have external synchronization input. Also timing input available on the ZED-F9T boards https://gnss.store/42-zed-f9t-timing-gnss-modules
and NEO-F10T boards https://gnss.store/54-neo-f10t-timing-gnss-modules LEA-M8F module can be also used as reference and with external timing syncronization: https://gnss.store/lea-m8f-timing-gnss-modules/43-elt0030.html
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By Olaf R. on 05/09/2024 UM982 Dual Channel RTK GNSS receiver board with USB C and JST 0 of 0 people found the following review helpful
Total Rating: 0 1 2 3 4

Hi Team
I'm enquiring about which product would be most suitable for my problem. I'm working on a university project to automate a stationary telescope by using a GNSS module to provide accurate heading and pitch data. We aim to achieve an accuracy of at least 0.5 degrees in each direction (heading and pitch).
We have a publicly available RTK base station within 200 meters of our installation site if RTK technology is necessary to provide accurate heading information, or we could consider setting up our own.
I am looking at the UM982 modules, specifically reference number ELT0213. Dual antenna systems seem to provide accurate stationary heading information. Does this device still require RTK to obtain accurate heading information? If so will 200 meters away from the base station be able to provide good accuracy?
What solution would you suggest?


Shop owner reply (06/09/2024):
Hi Olaf,
As you need only angles and not the precision positioning of you telescope, you does not need RTK at all. I hope that your telescope base is stationary. So if you need heading and pitch, you need to setup two dual-input modules with two antennas for each. Distance between antennas will define precision of the measurement. The approximate course standard deviation is 0.25 degrees for an equilateral triangle with a one-meter side. So, it will be the best, if you can setup at least 2 m distance between antennas in both heading and pitch directions.
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By Nick Mendos on 10/11/2023 UM982 Dual Channel RTK GNSS receiver board with USB C and JST 0 of 0 people found the following review helpful
Total Rating: 0 1 2 3 4

Hello, Team Eltehs. I have a few questions.
1) The documentation says that I2C and SPI are not used, so why are there these signals on the 12pin connector and there is no e.g. uart3
2) why there is no reset signal on the 12pin connector?
3) what is the lifespan of this product? If everything works out, I will replace all Ublox F9P dual modules in my company with UM982 dual modules from you.
4) is it possible to change the signals on the 12pin connector if SPI and I2C are not connected? Do you manufacture custom pcb board?


Shop owner reply (10/11/2023):
Dear Nick
1) I2C and SPI will be supported with future firmware versions. All boards can be upgraded on the field over USB.
2) UM98x modules have reliable internal reset circuit, so for most applications it does not be need to be present on the external connector.
3) We expect that UM98x modules will be manufactured and supported in 3...5 years, than it will be replaced to the next generation. As official Unicore distributor, we will support this modules over all lifespan.
4) No problem, please describe necessary board dimensions, connectors, etc - we do custom design for many customers.
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