A closer look at femtocells

Wireless, mobile technology Comments Off

Femtocell technology has been hailed as an alternative to deliver the advantages of fixed mobile convergence. Poised for commercial launches by Telcos around the world in 2009, we take a closer look at this nascent new wireless mobile technology.


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ISP bandwidth limits may have unclear impact to telecommuters

Dial-in VPN, Infrastructure, Remote Access, VPN, Wireless, mobile technology Comments Off

On the heels of Comcast’s recent decision to enforce a 250 GB bandwidth limit on residential customers, network administrators may wonder what this means for telecommuters. While a remote site’s network connectivity would be a business category plan, most telecommuters use the residential class service for price reasons or service availability. What is unclear within […]

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Is your wireless network secure?

General, News, Wireless, cybercrime, network tools Comments Off

A leading security guru is making the rounds trying to increase awareness of wireless security, or rather the severe lack of such security.  In a recent tour of San Francisco, Oakland, and Palo Alto, he discovered over 2600 networks, nearly a third of which were not using any encryption at all.  This effort did not […]

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Road warriors: Take your library with you

General, Wireless, mobile technology Comments Off

E-book readers allow you to take hundreds of books and documents along with you in a device that’s not much bigger than your smart phone. Michael Kassner will look at the technology behind these products and give some opinions about two of the e-book readers using a road warrior’s perspective.

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Noise and jitter: Nemesis of digital communications

Ethernet, General, VoIP, Wireless, video conferencing Comments Off

As time-sensitive applications like VoIP and telepresence become more commonplace, there will be increased pressure on network professionals to understand signal integrity and how to maximize it.

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Configuring the Cisco 851W or 871W: Standard IOS

General, Wireless, router configuration Comments Off

This tutorial by George Ou and Justin James shows you how to set up an advanced SOHO configuration for the Cisco 851W router.


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Skype: Telepresence for the masses

General, Instant Messaging, Telephony, Wireless, mobile technology, video conferencing Comments Off

Video conferencing accounted for 28 percent of all Skype calls last year. Michael Kassner discusses why Skype should be considered a telepresence platform and how the multimedia technology of Skype has improved.


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