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Step 2: Find the gutless antenna; seen as the rectangular loop on the far left of this blurry image.
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Step 3: Find some wire and construct a vague semblance of an appropriately turned antenna from random info you find on the web based on the wavelengths used in household wifi.
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Step 4: Solder the antenna on. Hope you haven't destroyed anything in the process.
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Step 5: Reassemble. Prevent pokey bits with something squishy.
This baby found two new networks not previously detected from my own home, and now my lucky friend has a solid connection to her gracious neighbor. Life is good.