| Reference Materials for Personal Communications Telecommunications > Wireless > Reference Materials for Personal Communications |  |
This article addresses what a business person needs to know about buying a cellular phone. By: Brian McConnell.
This tutorial discusses the nature of echo and how echo cancellation is helpful in making mobile calls meet acceptable quality standards. Presented by the International Engineering Consortium.
This article describes the health and safety issues surrounding cellular phones. By: Charlie Schick.
A product review of a GSM wireless handset from Ericsson. Written by Charlie Schick, published by Hello Direct.
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