[Single board type] HDI navigation board
[Pin number] 1792
[Number of layers] 10 layers
1. Limited size and tight device layout.
2. High-density HDI design.
3. There are digital-to-analog chips on the board. The RF circuit has high requirements for layout and routing. The RF and digital areas are completely separated. RF rate is 2.4G.
4. Board debugging succeeded once.