Waveshare ZED-F9P GPS-RTK HAT for Raspberry Pi, Multi-Band RTK Differential GPS Module Designed for Raspberry Pi (Not Included) Features -167 dBm navigating sensitivity Provides four LEDs for indicating the module operating status Onboard battery holder Supports U-Center, an easy way to config the module The Waveshare ZED-F9P GPS-RTK HAT for Raspberry Pi, Multi-Band RTK Differential GPS Module is a precise centimeter-level Raspberry Pi GNSS HAT based on ZED-F9P. It provides features like multi-band RTK with fast convergence times, high update rate, moving base RTK mode support, concurrent reception of 4 GNSS systems, augment positioning systems support, accurate & fast positioning with minor drifting, and the outstanding ability for anti-spoofing & anti-jamming. Comes with development resources and a manual (examples for Raspberry Pi/Jetson Nano/Arduino/STM32). Onboard battery holder, supports ML1220 rechargeable cell, for preserving ephemeris information and hot starts Features -167dBm navigating sensitivity and the outstanding ability for anti-spoofing & anti-jamming, supports geo-fencing. Supports Moving base RTK mode, enabling terminal precise navigation and centimeter-level accuracy.