IS680 e nahanoa ha boto ea RF ea khoebo e hloka tahlehelo e tlase ho feta FR-4 e tloaelehileng empa litšenyehelo le mathata a ts'ebetso ea kaho ea PTFE e tloaelehileng li thata ho lokafatsa. Lelapa le fanoa ka mekhahlelo e mengata ea dielectric-constant, kahoo ea pele...








