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September 29, 2005
 It's basic, but it works: get the irock! WiFi Sentry Wireless Network Detector. for only $17 (save $13) to quickly identify when you can receive a strong WiFi wireless data connection. Check for signal strength and direction of your WiFi hotspot before hauling out your laptop and powering up. The irock!'s four LEDs indicate relative signal strength and direction and it's small size means you can keep it with you whenever you need it.
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