SparkFun GPS-RTK2 Board - NEO-M8P-2 (Qwiic)
Overview
The SparkFun GPS-RTK2 is a high-precision GNSS breakout board based on the u-blox NEO-M8P-2 module. It enables Real Time Kinematics (RTK) for centimeter-level positional accuracy by utilizing a survey-in mode to function as a base station or a rover.
Why Choose This Part
This board features a versatile voltage range of 3.3V to 5V and supports multiple communication interfaces including USB, UART, I2C, and SPI. It includes an integrated rechargeable backup battery to maintain satellite orbit data, significantly reducing Time-To-First-Fix (TTFF) during power cycles.
Applications
Getting Started
Connect the board to a microcontroller via the Qwiic I2C system or use the USB port with u-blox u-center software for immediate configuration. For RTK performance, ensure a clear view of the sky and utilize a high-quality L1 GNSS antenna with a ground plane.



