--- Alvin Lim wrote: As i know ethereal is biuld upon on winPcap. May i know, can ethereal or winpcap capture signal strength or noise of a wireless client. --- end of quote --- Let me offer a different, non-Ethereal, answer, that I hope addresses your question. My company makes a program called WISPerMapper. It's a network monitoring and alerting package that is designed to test the wireless gear that Wireless ISPs use: the access points, subscriber modules, and backhauls, as well as the routers, switches, servers, etc. When it detects trouble, it notifies via sounds, pager, e-mail, or by running scripts. WISPerMapper is specifically designed to monitor signal strength, noise, traffic, etc. for a variety of wireless gear. It's also cross-platform, working on Windows, Unix/Linux, and Macintosh. You can read more at http://www.wispermapper.com. I would be interested to learn more about your proposed application (off-list if you prefer). Thanks! Rich Brown richard.e.brown@xxxxxxxxxxxx Dartware, LLC http://www.dartware.com 10 Buck Road, PO Box 130 Telephone: 603-643-2268 Hanover, NH 03755-0130 USA Fax: 603-643-2289
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