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Introduction to RF Propagation John S. Seybold Wiley Interscience • 345 pages; $79.95 With the rapid expansion of wireless consumer products, there has been a considerable increase in the need for radio-frequency (RF) planning, link planning and propagation modeling. This book serves as an introduction to RF propagation and...

Bradford RF Sales has been formed as a manufacturer's representative firm for New England. Mike Crittenden, owner, was the former director of sales for Microwave Development Co. and had over eighteen years with the company selling to military and commercial customers. He can be reached at (978) 521-1701 or...

Unlike other numerical simulation areas like stress or thermal analysis, high frequency computational electromagnetics is an evolving science. Experts still argue about the fastest and most elegant approaches to solving problems and no single method has emerged as an outright winner. To make headway, development teams have to invest...

Virtual Field Monitor The virtual field monitor provides a graphical user interface that allows control of all probe function and displays probe data and status. It simultaneously controls and operates up to four probes – a combination of AR’s three laser or six battery-powered E and H field probes...

The ZigBee™ Alliance , a global ecosystem of companies creating wireless solutions for use in home, commercial and industrial applications, announced it has reached three key milestones with its members shipping more than 10,000 developer kits, certified its 13th ZigBee Compliant Platform (ZCP), while processing 29,000+ free downloads of...

Andrew Corp. has opened a new manufacturing facility in the Czech Republic for the production of base station antennas for wireless operators in the Europe, Middle East, Africa region. The new Brno plant is a significant expansion of Andrew’s European presence and enhances the company's ability to support locally...

Published August 07, 2006 You be the expert: The answers to the July Question of the Month are below Jayesh Nath from Harris Corp. has submitted this month’s question: What is the proper usage of diplexer and duplexer? From: Simon Zhou, Mitec Telecom Inc. Dear Jayesh, Diplexer is a...

A contract worth €30 M and funded by the World Bank has been awarded to Alcatel by the Iraqi Telecommunications & Post Corp. (ITPC) to deliver a turnkey high capacity nation-wide microwave backbone. The network will enable ITPC, the sole fixed operator in Iraq, to handle the ever-growing national...

The RF to Light 100 changed 0% last week, YTD 0% at 2115. Network Systems and RF Semiconductor stocks lost ground again. The market remained oversold. Short selling increased from 3.7 to 4.2% average. Average P/E plunged to 33 - last seen in 3Q05 and 1Q03. It appears that...

Published September 01, 2006 In an effort to better combine the editorial content of our magazine with our newly developed and retooled on-line presence, we have decided to expand Harlan's RF and microwave engineering advice into a monthly feature that appears in Microwave Journal. Harlan has selected one question...