The C2 Series from Bynav is a GNSS high-precision positioning and heading board based on the Alice 22 nm automotive-grade GNSS SoC. It features a high-precision measurement and navigation engine for harsh environments with satellite signal interference and blockage, providing full-constellation full-frequency RTK positioning and dual-antenna heading. Available in C2-M20, C2-M20-U, C2-M20D, and C2-M20D-U models, it supports onboard TF card data backup, BDS-3 and Galileo signals, and enhanced connectivity including serial, CAN, and Ethernet in a compact low-power form.