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Jack Unger, is the founder and president of Wireless Infonet, Inc., and is a recognized broadband wireless expert with 10 years' experience in license-free network design, deployment, training, and support. Providing continuous wireless broadband services since 1995, Wireless Infonet, Inc. was the first to deploy license-free public broadband wireless Internet access in Silicon Valley. Jack is also a contract technical writer for Cisco Systems, writing all mainline, T-train, and special Cisco IOS Release Notes for the Cisco 2600, 3600, 3810, 4000, and IAD2420 series product lines.