• March 24. 2026

How Does Nickel-Free EPIG Improve PIM Performance in Base Station Antennas? Passive Intermodulation (PIM) is one of the most critical performance killers in modern cellular infrastructure. In a base station antenna system, PIM appears as unwanted interference generated by passive components—connectors, cables, and the printed circuit board itself—when two or more high-power transmit signals mix. E...

• May 19. 2026

Why Use WL-CT440 Instead of FR4 or PTFE for 2-Layer RF PCBs? When designing a 2-layer PCB for high-frequency RF applications—such as phased array antennas, airborne radar, or satellite communications—the choice of dielectric material is arguably the most consequential decision after the schematic itself. At frequencies above 1 GHz, the PCB substrate ceases to be a passive mechanical carrier a...

• May 19. 2026

How Does F4BTMS1000 PCB Compare to Global High-Dielectric Substrates? Introduction In the competitive landscape of high-frequency electronics, the choice of PCB substrate material directly determines the performance, reliability, and cost-effectiveness of the final product. For applications requiring high dielectric constant (Dk) values—such as phased array antennas, satellite communications, and ...

• September 03. 2026

Dk 3.0 or Dk 10.2: Which High-Frequency Substrate Fits Your Antenna Design? Quick Answer Choose Dk 3.0 for wider traces, easier impedance control, and higher-frequency operation where dispersion matters. Choose Dk 10.2 for circuit miniaturization, compact antenna spacing, or high-Dk architectures. TFA1020, a PTFE-ceramic composite with no glass fiber, delivers Dk 10.2 at 10 GHz with Df as low as 0...