WI-FI BLUES

A reader wrote us to say he’s barely able to connect to the Internet wirelessly, even though his phone is just 20 feet away from his AT&T router. Two bars is the best he gets. We told him to call AT&T, since they’ll replace his router or add a booster for free; it’s part of the monthly contract. However, that may not work. What he’s opened up is a much larger problem that many people experience, and it’s definitely worth going into. It is a trickier subject than it first appears. The subject of radio broadcasts (which is what your wireless modem is doing) and receiving them is a special field of its own in electrical engineering. Antenna design can […]

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