# GNSS-RTK High Precision Positioning Kit with LoRa (EU 868 MHz, GPS / GLONASS / Galileo / BDS / QZSS)

**Type:** Product page · **SKU:** KIT0198-EU · **Brand:** [DFRobot](https://core-electronics.com.au/brands/dfrobot-australia)
**Page:** https://core-electronics.com.au/dfrobot-gnss-rtk-lora-868mhz-cm-level-gps-positioning-kit.html ([markdown](https://core-electronics.com.au/dfrobot-gnss-rtk-lora-868mhz-cm-level-gps-positioning-kit.html.md))

## Retired product

This product is retired and no longer available for purchase. Replaced by: KIT0198-US.

**Replacement:** https://core-electronics.com.au/catalog/product/view/sku/KIT0198-US

## Restrictions

**For use in Australia**

- Operate only in bands and with settings that are permitted for your location and application. Check this product’s supported frequencies in the description/specs.
- If you intend to operate outside shared/licence‑exempt conditions (e.g. in other bands, at higher power, with high‑gain antennas, or extended duty cycles), you must have the appropriate authorisation.
 
**For use in other regions**

- Follow the spectrum rules for your country/region and select frequencies and settings accordingly.

A declaration of use will need to be submitted during checkout.

## Description

The **LoRa-Based** GNSS-RTK High Precision Positioning Kit (EU Version) is a complete, out-of-the-box solution designed to deliver centimeter-level positioning accuracy. By leveraging Real-Time Kinematic (RTK) technology, the system utilizes a stationary base station to transmit real-time correction data via a LoRa wireless link, operating on the **EU 868 MHz frequency**, to a mobile rover unit. This process corrects for atmospheric and satellite orbit errors, enabling a **positioning precision of up to 5cm + 1ppm**. The key advantages of this kit are its exceptional accuracy, pre-configured simplicity, reliable long-range data transmission, and robust multi-constellation support, tracking signals from **GPS, GLONASS, Galileo, BDS, and QZSS**. It is engineered for applications demanding high precision, such as autonomous vehicle navigation, land surveying, and asset tracking.

![Schematic Diagram of GNSS-RTK High Precision Positioning Kit](https://dfimg.dfrobot.com/enshop/image/data/KIT0198-US/2_0x0.jpg.webp)

Figure: Schematic Diagram of GNSS-RTK High Precision Positioning Kit

**Centimeter-Level RTK Accuracy**

At the core of the kit are the Quectel LC29H series modules, which enable the system to achieve an RTK Fixed positioning status. This represents the highest level of precision, far surpassing the meter-level accuracy of standard GPS or GNSS receivers. By processing carrier phase observations and applying differential corrections, the mobile unit can determine its position with remarkable repeatability and reliability, making it suitable for professional and mission-critical tasks.

![Overview of GNSS-RTK High Precision Positioning Kit](https://dfimg.dfrobot.com/enshop/image/data/KIT0198-US/1_0x0.jpg.webp)

Figure: Overview of GNSS-RTK High Precision Positioning Kit

**Out-of-the-Box Simplicity**

This kit is engineered to make advanced RTK technology accessible. Unlike traditional component-based solutions that require users to configure their own data links, this system comes with a pre-configured wireless connection between the base station and the mobile unit. As a fully integrated solution, it eliminates complex setup procedures, significantly lowering the barrier to entry for developers, makers, and students, and allowing for rapid deployment in the field.

**Reliable Long-Range Wireless Link**

The transmission of correction data is handled by an integrated LoRa communication system operating at 868MHz. This technology provides a stable and reliable data link with a range of up to 1.5 kilometers in open areas. The robust wireless connection ensures that the mobile unit consistently receives the necessary RTCM data from the base station, maintaining high-precision positioning even at a distance.

**Advanced Dual-Band, Multi-Constellation Support**

To ensure optimal performance and signal availability, the modules support dual-band (L1/L5) reception across multiple global satellite navigation systems, including GPS, GLONASS, Galileo, BDS, and QZSS. This multi-constellation capability allows the receiver to track more satellites simultaneously, leading to faster signal acquisition, quicker convergence times (under 10 seconds), and improved positioning robustness in challenging environments such as urban canyons or areas with partial sky obstruction.

### Specification

Base Station

16. Power Input: Terminal Block (5~10V); Type-C
17. GNSS Antenna Interface: SMA
18. Reception Bands:
     GPS/QZSS: L1 C/A, L5
     GLONASS: L1
     Galileo: E1, E5a
     BDS: B1l, B2a
19. Default Constellations: GPS + GLONASS + Galileo + BDS + QZSS
20. Concurrent Tracking Constellations: 4+ QGNSS
21. Function: Base Station
22. Sensitivity:
     Acquisition: -147 dBm
     Tracking: -165 dBm
     Reacquisition: -159 dBm
23. Dynamic Performance:
     Max Altitude: 10000 m
     Max Velocity: 500 m/s
     Max Acceleration: 4 g
24. Raw Data Output Rate: 1 Hz
25. Protocol: NMEA 0183 / RTCM 3.x
Mobile Station (RTK Mobile)

27. Power Interface: Gravity interface, 3.3~5V
28. Output Signal: I2C / UART
29. Antenna Interface: SMA
30. Reception Bands:
     GPS/QZSS: L1 C/A, L5
     GLONASS: L1
     Galileo: E1, E5a
     BDS (BeiDou): B1l, B2a
31. Default Constellations: GPS + GLONASS + Galileo + BDS + QZSS
32. Concurrent Tracking Constellations: 4+ QGNSS
33. SBAS: WAAS, EGNOS, MSAS, GAGAN
34. Function: RTK
35. Horizontal Positioning Accuracy:
     Autonomous: 1 m
     RTK: 5 cm + 1 ppm
36. Velocity Accuracy: 0.03 m/s
37. 1PPS Accuracy: 20 ns
38. RTK Convergence Time: < 10 s
39. Sensitivity:
     Acquisition: -145 dBm
     Tracking: -165 dBm
     Reacquisition: -157 dBm
40. Dynamic Performance:
     Max Altitude: 10000 m
     Max Velocity: 500 m/s
     Max Acceleration: 4 g
41. Navigation Update Rate (RTK): 1 Hz
42. Raw Data Output Rate (GNSS): 1 Hz
43. Protocol: NMEA 0183 / RTCM 3.x
44. LoRa Parameters
     RF Chip Semtech: LLCC68
     Operating Frequency: 868MHz
     Modulation: LoRa Spread Spectrum
     Max Transmit Power: 22dBm
     Receiver Sensitivity: -129dBm
45. Weight: 700g
### Documents

47. [Product wiki](https://wiki.dfrobot.com/GNSS_RTK_High_Precision_Positioning_Kit_SKU_KIT0198_EN)

## Images

- [Product image 1](https://core-electronics.com.au/media/catalog/product/K/I/KIT0198-EU-1.jpg)