
Aluminum/Copper Based F4b RF Microwave PCB High Frequency PCB. Integrated Heat Dissipation: Aluminum or copper base acts as a built-in heatsink for high-power RF devices. Excellent EMI Shielding: Metal layer reduces interference in sensitive receiver circuits and satellite downlinks. High Mechanical Strength: Metal base adds rigidity, allowing direct chassis mounting without warping in vibrations. Low Loss PTFE Dielectric: Core PTFE layer delivers stable Dk (2.65-3.50) preserving signal integrity in GHz apps. Immersion Gold Finish: Flat, corrosion-resistant surface compatible with lead-free soldering and fine-pitch components. Wide Material Choice: Wangling F4B series offers various Dk and thermal performances for electrical or thermal optimization. 100% Electrical Testing: Each board tested for continuity, isolation, and impedance; vacuum packed to prevent oxidation. Customizable Parameters: Surface finish, layer count, copper weight, and solder mask colors are fully customizable.