https://en.unicore.com/products/dual-antenna-gnss-um982/ UM982 GPS/BDS/GLONASS/Galileo/QZSS All-constellation Multi-frequency High Precision Positioning and Heading Module Unicore's new-generation proprietary high-precision positioning and heading module is designed to perform on-chip rtk gps farming positioning and dual-antenna heading. The built-in advanced anti-interference unit ensures reliable and accurate positioning data even in complex electromagnetic environments. UM982 is an ideal choice for high-precision applications such as UAVs, autonomous machines, and precision agriculture.All Rights Reserved