# GNSS-RTK High Precision Positioning Kit with LoRa (US 915 MHz, GPS / GLONASS / Galileo / BDS / QZSS)

**Type:** Product page · **SKU:** KIT0198-US · **Brand:** [DFRobot](https://core-electronics.com.au/brands/dfrobot-australia)
**Page:** https://core-electronics.com.au/dfrobot-gnss-rtk-gps-high-precision-positioning-kit-lora-915mhz.html ([markdown](https://core-electronics.com.au/dfrobot-gnss-rtk-gps-high-precision-positioning-kit-lora-915mhz.html.md))

Achieve centimeter-level accuracy with out-of-the-box GNSS-RTK Positioning Kit. Pre-configured LoRa data link for easy setup. US 915 MHz, For UAVs, device...

## Pricing

- **Price:** $279.95 (inc GST) — $254.50 AUD, exc GST

## Availability & dispatch

- Available with a lead time — expect dispatch between Sep 01 and Sep 07.

## 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 (US) is a comprehensive, dual-module system engineered to deliver centimeter-level location accuracy. It operates on the principle of Real-Time Kinematics (RTK), which involves a stationary base station transmitting correction data to a mobile rover, effectively eliminating common GNSS positioning errors. The kit's key differentiators are its out-of-the-box functionality with a pre-configured LoRa data link, its high-performance dual-band GNSS reception, and its rapid convergence time. Powered by Quectel LC29H series modules, the system **supports GPS, GLONASS, Galileo, BDS, and QZSS constellations**, making it a robust solution for demanding applications such as autonomous vehicle navigation, land surveying, and device 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

**Out-of-the-Box, Centimeter-Level Accuracy**

This GNSS-RTK positioning kit is designed to significantly lower the barrier to entry for high-precision positioning. Traditional RTK systems often require users to independently source and configure separate modules for the base, rover, and data transmission link. This product integrates all necessary components into a pre-configured, ready-to-use solution. Users can achieve centimeter-level accuracy within minutes of setup, bypassing the complex integration and debugging process typically associated with RTK technology.

![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

**High-Performance Dual-Band GNSS Engine**

At the core of the system are the Quectel LC29H series modules, which feature dual-band (L1/L5) reception. This advanced capability allows the receiver to effectively mitigate ionospheric disturbances, a primary source of error in single-band receivers. The result is a significantly faster convergence time (less than 10 seconds to achieve a fixed solution) and more reliable and consistent positioning accuracy, even in challenging signal environments. Simultaneous tracking of all major satellite constellations ensures maximum satellite availability and positional integrity.

**Integrated Long-Range LoRa Data Link (915 MHz US Version)**

A stable data link is critical for RTK performance. This GNSS-RTK positioning kit incorporates a LoRa (Long Range) radio communication system to ensure robust and reliable transmission of correction data from the base station to the rover. This integrated wireless solution provides a communication range of up to 1.5 kilometers in open areas, eliminating the need for external radio modems or reliance on internet-based NTRIP services. This self-contained architecture makes the kit ideal for fieldwork and applications in areas with limited network connectivity.

### Specification

### Specification

#### Base Station

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

- Power Interface: Gravity interface, 3.3~5V
- Output Signal: I2C / UART
- Antenna Interface: SMA
- Reception Bands: 
    - GPS/QZSS: L1 C/A, L5
    - GLONASS: L1
    - Galileo: E1, E5a
    - BDS (BeiDou): B1l, B2a
- Default Constellations: GPS + GLONASS + Galileo + BDS + QZSS
- Concurrent Tracking Constellations: 4+ QGNSS
- SBAS: WAAS, EGNOS, MSAS, GAGAN
- Function: RTK
- Horizontal Positioning Accuracy: 
    - Autonomous: 1 m
    - RTK: 5 cm + 1 ppm
- Velocity Accuracy: 0.03 m/s
- 1PPS Accuracy: 20 ns
- RTK Convergence Time: < 10 s
- Sensitivity: 
    - Acquisition: -145 dBm
    - Tracking: -165 dBm
    - Reacquisition: -157 dBm
- Dynamic Performance: 
    - Max Altitude: 10000 m
    - Max Velocity: 500 m/s
    - Max Acceleration: 4 g
- Navigation Update Rate (RTK): 1 Hz
- Raw Data Output Rate (GNSS): 1 Hz
- Protocol: NMEA 0183 / RTCM 3.x
 
#### LoRa Parameters

- RF Chip Semtech: LLCC68
- Operating Frequency: 915MHz
- Modulation: LoRa Spread Spectrum
- Max Transmit Power: 22dBm
- Receiver Sensitivity: -129dBm
- Weight: 700g
 
### Documents

 [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-US-1.jpg)