Sometimes products that solve one problem cause others down the road. Such is the case with Logitech's Play Link wireless adapter. Let's start with the problem it solves: Aimed at consumers, the Play Link system ($100, due out this month) consists of two wireless devices that let you connect Ethernet-enabled devices such as gaming consoles (such as PlayStation 2 or Xbox) to a home network. The wireless portion of the network is an encrypted 900-MHz link, Logitech says.
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