Mobile Edge WiFi Signal Locator

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With this simple keychain you can locate hot spots without bothering yourself with booting up your notebook and then searching for a signal. The Mobile Edge WiFi Signal Locator happens to use patent-pending technology so that you don’t confuse hot spot readings with microwaves and portable phones signals and Detects 802.11B and G Networks. This product by Mobile Edge is great for travelers who don’t want to spend time searching for a signal. You can pick one up for about $20.
Via about.com