How are high-speed PCB and low-speed PCB defined

How are high-speed PCB and low-speed PCB defined?

With the continuous advancement of electronic technology, the application field of high-speed PCB and low-speed PCB continues to expand. In terms of PCB manufacturing and PCB design, these two different printed circuit boards require different manufacturing processes and design techniques. Next, we will introduce in detail the defining criteria for high-speed and low-speed PCBs.