YX-OS57 UM982 RTK High-Precision GNSS Module – Centimeter-Level Accuracy for Professional Surveying
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Description
Description
NavCore UM982 is a high‑performance dual‑antenna RTK positioning and heading module based on the Beijing UniStrong UM982. Designed for high‑reliability applications including drones, precision agriculture, autonomous robotics, and intelligent driving tests. The built‑in dual‑frequency RTK engine delivers centimeter‑level positioning accuracy (0.8 cm + 1 ppm horizontal) and high‑reliability heading accuracy (0.1° with a 1‑meter baseline). The V2.0 version features wide‑voltage input, impedance matching optimization, enhanced thermal management, and immersion gold PCB process for long‑term reliable operation.
- Positioning: 0.8 cm + 1 ppm horizontal (RTK)
- Heading: 0.1° (1 m baseline)
- Core: Beijing UniStrong UM982
- Voltage: 4–12 V (5 V optimal) · max 15 V
- Interfaces: Type‑C, GH1.25 7P, SMA (salt‑spray tested)
- LED indicators: PWR, ERR, PVT, RTK
Applications: drone flight control, precision agriculture, autonomous robotics, intelligent driving, surveying, base station deployment.
| Core module | Beijing UniStrong UM982 |
| Positioning accuracy (RTK) | 0.8 cm + 1 ppm horizontal |
| Heading accuracy | 0.1° (with 1‑m baseline) |
| Max input voltage | 15 V |
| Recommended voltage | 4 – 12 V (5 V optimal) |
| Short‑circuit protection current | 1 A |
| Power‑off hold capacitance | 80 mF |
| Current ripple | < 25 mV |
| Antenna VSWR | < 1.6 |
| SMA connector | High‑quality · 48h salt‑spray tested |
| GH1.25 7P terminal | GND, EST, EVENT, PPS, RXD, TXD, VCC (UART3) |
| Type‑C interface | Power supply (UART1) |
- GH1.25 7P Terminal: GND, EST, EVENT, PPS, RXD, TXD, VCC (connected to module UART3)
- Type‑C Interface: Power supply (connected to module UART1)
- SMA Connector: Dual antenna ports · high‑quality, salt‑spray tested
Antenna interface configuration:
- Default configuration uses SMA interface antennas.
- If you wish to use an IPEX interface antenna, you must manually switch the onboard 0R resistor.
- Please make the appropriate hardware adjustment based on your specific requirements.
- Drone flight control and navigation
- Precision agriculture (automated tractor guidance)
- Autonomous robot positioning and navigation
- Intelligent driving tests and vehicle trajectory tracking
- High‑precision surveying and engineering measurement
- Base station deployment and reference station construction
- NavCore UM982 Positioning & Heading Module ×1

Terms and conditions
Terms and conditions
Shipping Information
Orders are prepared within 48 hours. Fast small-parcel logistics are used for international shipping.
- USA / Europe: approximately 8–14 days (subject to variation)
- Any abnormal situations will be communicated via email promptly
Returns & After-Sales Policy
If you have any questions after receiving the product, please contact us immediately. Returns or exchanges will be processed according to our return policy. Thank you for your understanding.
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$86.00