The air layer is arranged between the dielectric plates 1 and 2, adjusting the working bandwidth of the antenna through adjusting the thickness of the air layer and the size of the gap.
空气层在介质板1和2之间，通过调整空气层厚度和缝隙大小来调整天线工作带宽。
The air layer is arranged between the dielectric plates 1 and 2, adjusting the working bandwidth of the antenna through adjusting the thickness of the air layer and the size of the gap.
空气层在介质板1和2之间，通过调整空气层厚度和缝隙大小来调整天线工作带宽。
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