如何制作 WiFi 天线

方法 1

方法 1 的 2:制作回形针天线

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1
准备好所需材料和工具。你需要准备一个大的回形针,一根用过的老式圆珠笔,以及一卷电工胶布。你还可能需要直尺、剪刀和打火机。
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2
将回形针拉直。展开回形针,将其拉直为直线的形状。

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3
测量并截断回形针。为了获得最佳信号,回形针长度必须为 61 毫米。你需要尽可能让回形针长度接近这一数值,只有这样才能制作出最高效的天线。

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4
将回形针弯曲。你需要在大约 19 毫米位置将回形针弯曲,形成一个90°的直角。这部分回形针将会被插入 WiFi 天线端口中。

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5
取出圆珠笔芯。你最好使用废弃的圆珠笔,因为你需要将笔芯剪断。将笔芯剪下长度为 12-18 毫米的一段。由于笔芯中可能还有墨水,因此剪断笔芯时使其远离自己。剪断时,你可以将笔芯放置在一个平面上,以免墨水溅到身上。

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6
将笔芯套在回形针弯曲部分。将剪下部分的笔芯套在回形针弯曲的那头。确保笔芯超出回形针末端大约 1.5 毫米。

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7
用打火机让笔芯收缩。使用打火机或其他热源小心加热回形针上的笔芯。这将使得笔芯收缩,使其紧紧套在回形针上。

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8
将天线绝缘。在回形针上缠绕电工胶带,以防止无线信号的干扰。

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9
将回形针插入天线端口。将回形针的“笔芯”一头插入天线端口,确保接口针脚与回形针在笔芯内部连接在一起。如果你能够让它们重叠在一起,那么接收到的信号会更好。

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方法 2

方法 2 的 2:制作定向天线

1
准备好所需材料和工具。你需要准备一个 N-Female 底盘连接器、四个 #6×1/4” 螺母和螺栓,一根直径为 32 毫米的铜线,一根尾缆和一个空铝罐。
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你还需要一个钻头、一个烙铁和一把合适的螺丝刀。
尾缆是指两端都有接头的插线电缆。
铝罐需要有金属底,但没有盖子。

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2
测量铝罐的直径。铝罐直径将决定接线的部位。铝罐宽度必须在 7.6 厘米到 15.2 厘米之间。

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3
标记出连接线缆的位置。你需要沿着铝罐外部从底端向上测量。具体长度根据铝罐直径而不同。连接线位置将决定最大信号强度。以下是一些常用的数值:
宽度为 7.6 厘米的铝罐,连接线位置为 9.5 厘米
宽度为 8.9 厘米的铝罐,连接线位置为 5.25 厘米
宽度为 15.2 厘米的铝罐,连接线位置为 3.5 厘米

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4
在铝罐侧面钻一个孔。使用钻头在测量的连接线位置钻孔,孔的大小与 N-Female 接头较小的一端相同。如果你没有钻头,可以使用钉子和锤子来钻孔。
如果 N-Female 连接器上有螺孔,你需要在开孔周围钻一些小孔,然后使用螺母和螺帽来固定接口。

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5
测量并剪下电线。将铜线与 N-Female 连接器较小一端连在一起。铜管和线缆连在一起的总长度应该为 3.07 厘米。为了获得最好连接信号,你需要尽量使得长度接近规定值。

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6
将铜线焊接到 N-Female 连接器较小的那一端。使用烙铁将电线固定在 N-Female 连接器背面。这就是天线的探针。你可以查看相关指南了解如何进行焊接。铜线必须与连接器直接连接。

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7
用铝罐保护探针。但焊接位置冷却后,将探针安装在铝罐上,铜线位于铝罐内部,而连接器位于铝罐外部。使用螺母和螺帽将探针固定在铝罐上。

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8
使用尾缆将无线网卡连接到铝罐上。使用螺丝将电线连接到探针上,然后电线另一端连接到无线网卡的天线端口。

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9
将铝罐面向接入点放置。铝罐必须之间朝向无线接入点。你可以使用束线带将铝罐固定在摄影三脚架,可以更方便地将铝罐对准接入点。
X
研究来源

根据铝罐大小和测量精度的不同,以及天线和接入点之间干扰情况,天线能够覆盖范围会有一定的差异。

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