An important point to note (and the source of some confusion) is that most Access Points cannot communicate with each other wirelessly.  Generally, (and especially in the case of inexpensive consumer-grade products) APs communicate only with wireless clients.  This means that you can’t use two APs to wirelessly connect two non-wireless LANs together.

You can, however, use another type of product called a Wireless Bridge to get connected!  See this article for more info.

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