如果是一台PC 主机，可以插无线网卡。
如果测试无线网卡， PC 主机是不是就是无线网卡的ancillary equipment 。
ancillary equipment 解释如下：
ancillary equipment: equipment (apparatus), used in connection with a receiver or transmitter
NOTE: It is considered as an ancillary equipment (apparatus) if:
          􀀀 the equipment is intended for use in conjunction with a receiver or transmitter to provide
operational and/or control features to the radio equipment, (e.g. to extend control to
position or location); and
          􀀀 the equipment cannot be used on a stand alone basis to provide user functions independently
receiver or transmitter; and
          􀀀 the receiver or transmitter, to which it is connected, is capable of providing some intended
operation such as transmitting and/or receiving without the ancillary equipment (i.e.
sub-unit of the main equipment essential to the main equipment basic functions).

以上问题纯属好奇，欢迎大家积极发言，正确答案 送浮云。

貌似很有难度！
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