High Frequency PCB, also known as RF PCB (Radio Frequency PCB), is a type of printed circuit board specifically designed and manufactured for high-frequency signal transmission and RF applications. They find extensive use in wireless communications, radar systems, satellite communications, aerospace, medical devices, and high-speed data transmission. High Frequency PCBs are characterized by low transmission loss, low signal distortion, strict impedance control, and effective electromagnetic shielding. They employ specific materials and design techniques to meet the requirements of high-frequency signal transmission.