Filters are crucial components in modern wireless communication systems. A filter with compact size, low loss, high selectivity, high quality factor and low cost is especially our goal.

• 在无线通讯的系统之中，滤波器是一个不可或缺的元件，而体积小、低损耗、频率选择性好、高品质参数、花费少的滤波器是吾人所希望能达成的目标。