SKU: 43231359102

HolyBro H-RTK Unicore UM982 (Dual Antenna)

Sale price$130.05 Regular price$144.50
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Description

HolyBro H-RTK Unicore UM982 (Dual Antenna)Overview The Holybro UM982 Dual Antenna RTK GPS provides high precision positioning information and is capable of generating non magnetometer moving baseline yaw determinations for autopilots with one single GPS module. One of the best applications of this GPS is to provide compass less YAW information to the autopilot (commonly called GPS Heading or Moving Baseline Yaw). Using this GPS as a yaw source prevents magnetic interference from the vehicle

Overview

The Holybro UM982 Dual Antenna RTK GPS provides high-precision positioning information and is capable of generating non-magnetometer moving baseline yaw determinations for autopilots with one single GPS module. 

One of the best applications of this GPS is to provide compass-less YAW information to the autopilot (commonly called GPS Heading or Moving Baseline Yaw). Using this GPS as a yaw source prevents magnetic interference from the vehicle motors and electrical systems and any environmental interference sources, such as metallic structures or equipment, that can cause incorrect yaw reports to the autopilot.

This works even if the GPSs are not receiving RTCM data from a fixed RTK station or NTRIP server. The device is based on the Unicore UM982 NMEA GNSS module and supports RTK positioning adjustment for centimeter-level accuracy, GPS/GLONASS,Beidou, Galileo, and QZSS global positioning systems.

It also includes a magnetometer, LED, and safety switch button. It also serves as an RTK-corrected vehicle GPS, with or without moving baseline yaw determination, and as a base station GPS for sending RTCM data to a ground control station to provide an RTK source for the vehicle via telemetry.

Features

  • Dual antennas allow Moving Baseline Yaw (GPS Heading) with just one module
  • Can replace the traditional compass/magnetometer
  • Perfect for system/environment with high magnetic interference
  • Excellent RTK performance

Specification

Product
UM982
Application
  • Rover
  • Moving Baseline Rover
  • Base Station (Recommend using H-RTK F9P-Base as base station)
Compass IST8310
GNSS
BDS B1I/B2I/B3I
GPS L1C/A/L2P (Y)/L2C/L5
GLONASS L1/L2
Galileo E1/E5a/E5b
QZSS L1/L2/L5
Antennas Peak Gain (MAX)
2dBi
LNA Gain
(typical)
33±2dB
Time-TO-First Fix
Cold start: ≤ 30s
Hot start: ≤ 5s
RTK-SurveyIn-Time
≤5 minute @2.0mCEP
Data and Update Rate
20 Hz Positioning & Heading
20 Hz Raw Data observation
Port
Port 1: GH1.25 10-pin
Port 2: USB Type-c Port 3: UART 2 (GH1.25 6pin)
Cable Length
GH 10P: 150mm
GH 10P: 400mm
GH 10P to 6P: 300mm
Antenna Connection Type
Board: SMA female
Antenna: SMA male
Baud rate: (Adjustable)
230400 5Hz default
Working voltage:
4.75V~5.25V
Current Consumption
~350mA
Dimensions
Board: 34.8*58.9*14.4mm
Antenna Diameter: 27.5mm
Antenna height: 59mm
Weight
37.9g (without antennas)

 

Package Included:

  • 1x H-RTK UM982
  • 2x High Precision Helical Antennas
  • 2x Antenna Mounts
  • 2x SMA Cables (40cm)
  • 2x 10pin - 10pin JST-GH Cables
  • 1x 10pin - 6pin JST-GH Cable
  • 1x 6pin - 6pin JST-GH Cable
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 43231359102

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Fort Morgan, US
★★★★★ 5
Lots of fun at dog park!
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Reviewed in the United States on April 18, 2026
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quality assurance tester
Waukegan, US
★★★★★ 5
Love this ball launcher! Just buy it!
Color: Blue Dog Ball Launcher with Squeaking Handle, Size: One-Size
These throwers are THE BOMB ! I've been using them for 4 years. The squeaker on it is a big hit at the dog park and with my dog. Gets dogs attention. Buy the squeaky chuckit balls to go with it. Easy to clean, holds up really well.
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Reviewed in the United States on April 14, 2026
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Mitchb25kv
Whiting, US
★★★★★ 5
No more slobber
Color: Blue Dog Ball Launcher, Size: One-Size
Works as described. Can throw a tennis ball a mile. Keeps the slobber off my hands.
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Reviewed in the United States on May 10, 2026
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Hope Coman
Chelsea, US
★★★★★ 4
Squeaker Pinches Hand
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I toss balls 50-75 feet into the air. Works our my dog. I can actually throw a ball over 150 feet, so the dog gets a good workout. The squeaker is unnecessary and it does pinch my hand on a long toss.
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Patriot4Life
Phoenix, US
★★★★★ 5
Just as good as an actual Chuck-It
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This is much cheaper than a Chuck It. And it’s just as good. My dog loves it.
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