Wireless Connectivity Update Newsletter Archive

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Newsletter Archive 2004 - 2011

In 2011 the quarterly Wireless Connectivity Update newsletter was discontinued in favor of the new Connect802 Twitter stream.

Follow @Connect802 on Twitter for our hourly discussion thread where we talk about wireless network technology, news and views. Take a look - you'll like what you find!

Previous Issues of the
Connect802 Wireless Connectivity Update

Issue Date	Contents of This Issue
The Final Newsletter	Bridgewave Gigabit Wireless Bridges 802.11's Network Access Method: CSMA/CA The Point Coordination Function Wi-Fi, You and the Law
2010 Fall	Elfiq Broadband Load Balancers Next Steps in 802.11 Evolution [802.11ac, 802.11ad] Identifying Multipath Fading Cloud-based WPA Key Cracking
2010 Summer	Ruckus Dual-Band 802.11n Access Points The Futility of Limiting AP Bleed-Over 802.11n MIMO for Point-toPoint Links The New Wi-Fi at Starbucks
2010 Spring	The "802.11 Secrets Revealed" Seminar at the Computer History Museum Joe Bardwell's Podcast Interview with Network World 802.11n Bridging is Here Overview of 802.3at Power-over-Ethernet Understanding the Free Space Path Loss Equation 4X4 MIMO Is Coming Soon
2010 Winter	The Ruckus BeamFlex Beam Steering Antenna Understanding Signal to Noise Ratio Line of Sight and Fresnel Zone Clearance
2009 Fall	Proxim MP.11 WiMAX Radio Equipment 802.3af Power Over Ethernet Fundamentals 802.;3af PoE Specifications and Troubleshooting 802.11n Standards Ratified
2009 Summer	Line Isolation Power Supplies Frequency and Wavelength Optimal Antenna Size
2009 Spring	Trade-Offs in Range, Power and Sensitivity Understanding Receive Sensitivity SNR and the Law of Reciprocity
2009 Winter	802.11 Security with 802.1x , RADIUS and Eap Selecting an EAP Type Cisco Power Levels Explained New WEP and WPA Exploits
2008 Fall	Determining Maximum 802.11 Range How Antennas Become Directional Antenna Gain Revisited The Law of Antenna Reciprocity
2008 Summer	Law Enforcement and First Responder System - CAMMS™ Configuring Basic 802.11n Options How Does 802.11n Work? 802.11y (yes, "y" - that's not a typo!)
2008 Spring	Outdoor Wireless Networks Understanding Diffraction: Is It Helping Your Network Dual Wi-Fi Radios: Are Two Radios Better Than One? 802.11n Interference
2008 Winter	Why Do Antennas Have "Gain" ? RSSI Measurements Compared With dBm Measurements Wi-Fi and Cellular Convergence Makes the News
2007 Fall	Installing External Antennas... Correctly. Making Sense of WPA Modes Free Public Wi-Fi? Is It Safe to Connect to the Network? Intel Tests High-Speed Wireless
2007 Summer	Multiple Security Methods From a Single Access Point An Overview of Mesh Routing Access Point Bill of Materials Secrets: The “Integer” Nature Of Indoor RF Design Dynamic Frequency Selection WEP Usage Leads to Up To 200 Million Stolen Credit Card Numbers
Please Note: After the March 1, 2007 issue of the Wireless Connectivity Update we changed to a QUARTERLY publication schedule.
March 1, 2007	A Shocking Security Breach {Unbelievable, you've got to read this !} The Unbalanced Power Effect (UPE) Extending the Range of Municipal Wi-Fi Into Your Building Wireless Internet Usage Increases
February 1, 2007	Comparing 802.11a versus 802.11b/g Performance What's the Story with WiMAX? Considering Receiver Antenna Gain Apple and Intel 802.11n Chipsets
January 1, 2007	Applying RF CAD Modeling and Simulation to Wi-Fi Design Systematic Wi-Fi Troubleshooting Antenna Gain: "dBd" versus "dBi" Windows XP Security Flaw Fixed
December 1, 2006	Who's Stealing Your Wi-Fi Bandwidth Dealing with 802.11 Network Overhead 802.11a Channel Numbers Antenna Connector Specifications
November 1, 2006	Structured Wireless Network: Part 2 - Vendor Technology The Evolution of Structured Wireless Selecting and Installing Lightning Arrestors 802.16e WiMAX Arrives (?) - New 802.16 / 802.11 Combination Routers from D-Link
October 1, 2006	Structured Wireless Networks: Part 1 - What is Structured Wireless? Comparing Structured Wired and Wireless Networks: Part 1 - 802.3, 802.5, and 802.11 Which is better, more antenna gain or more transmitter power? Connect802 shows at BICSI Las Vegas - Joe Bardwell speaks at the event
September 1, 2006	Designing Outdoor Antenna Systems: Part 2 - Fresnel Zone and Fade Margin Choosing a Radio: Comparing RF Specifications Dealing with MultiPath reflections Connect802 breaks the 1 BILLION square foot mark! Pre-N Devices: No standard until 2008?, Caltrain tests Wi-Fi on Fast Moving Train
August 1, 2006	Designing Outdoor Antenna Systems: Part 1 - Operating Margin Client and Backhaul Security The Relationship Between Frequency, Wavelength, Phase, and Polarity SIP Phones are Shipping, Laptops Have Built-In "N"
July 1, 2006	Proper Use of RF Amplifiers Optimum 802.11 Channel Allocation What is the Highest Gain Dish Antenna ? More 802.11n Delays, VoIP and WiMAX in the News
June 1, 2006	Designing Converged Voice and Data Networks Problems with Interior Walls and I-Beams (Part 2) The Current State of 802.11 Security 802.11n Vote Fails - More Delays Expected
May 1, 2006	New 802.11 Standards Round-Up Site Survey Equipment Problems with Interior Support Walls and I-Beams (Part 1) WiMAX and 802.11n in the News
April 1, 2006	Controversial Developments in 802.11n Indoor versus Outdoor Signal Range WiMAX Products are Beginning to Ship
March 1, 2006	802.11n: Hype versus Reality 802.11n: Under the Hood Voice-over-Wi-Fi handsets shipping; New 802.11a channels allocated; Strix in Bangladesh
February 1, 2006	Emergency First Responders using Wi-Fi RF Signal Strength Metrics 802.11n Standard is Finalized
January 1, 2006	RFID Tagging and 802.11 Measuring the Ability to Receive RF Signals: RF Signal Strength Metrics Mobile WiMAX Standard Approved
December 1, 2005	The promise of wireless Voice-over-IP Session Initiation Protocol (SIP) Overview 802.22 is Coming, 802.16 WiMAX PCMCIA ships, Bardwell quoted
November 1, 2005	Access Point Power and Effective Range Comparing Power, Gain, and Receiver Sensitivity Will Sprint deploy a nationwide WiMAX network?
October 1, 2005	Propagation Patterns for Highly Directional Dish and Grid Antennas Antenna Reciprocity Joe Bardwell in the New York Times
September 1, 2005	Sector Array Antennas RF Signal Diffraction Behavior FCC Regulations and Wi-Fi Interference
August 1, 2005	Continued discussion of Antenna Patterns and Beamwidth RF Signal Refraction Behavior Legal liability if your network is hacked
July 1, 2005	What is "Antenna Beamwidth" ? RF Signal Propagation Behavior Will we have 100 MBps 802.11n?
June 1, 2005	Factors affecting radio reception: Receive sensitivity Understanding antenna polar coordinate graphs Networld+Interop 2005 review
May 1, 2005	Determining the maximum range for 802.11 communication The significance of the Fresnel Zone in antenna system design RFID at the World Cup, Real Time Location Services Wi-Fi location services using Wi-Fi tagging
April 1, 2005	802.11i MAC Layer Security and AES encryption Understanding channel assignments in the 802.11 standard The myth of "non-overlapping" channels AT&T WiMAX deployment in New Jersey RFID tagging for asset management
March 1, 2005	Wi-Fi Security: "..all the security that anyone would every want" (Whitfield Diffy) Extensible Authentication Protocol for strong Wi-Fi Security Connect802 designs Wi-Fi for use inside an Aircraft WAPI in China 80 MPH Wi-Fi Welcome to Network Orange! ..our newest channel sales partner
February1, 2005	Wi-Fi Protected Access (WPA) data encryption Fade margin and the effects of rain fade 802.11n and Pre-N products Connect802's microwave links in Malaysia
January 1, 2005	Cisco's LEAP encryption becomes a precursor to WPA and 802.11i How vendors measure 802.11 receive sensitivity Gigabit Wi-Fi announced by Seimens Wi-Fi in airplanes Michigan man sentenced to 9 years for Wi-Fi hacking Connect802 creates network designs for Benin, Africa
December 1, 2004	Wired Equivalent Privacy (WEP): The Flaws in Early 802.11 Security Signal-to-Noise (SNR) Ratio and Measurement with the 802.11 Chipset Nokia's RFID NFC shell technology; Symbol RFID and Wireless LAN Switches, Pre-Standard 802.11n Worries
November 1, 2004	Understanding Wi-Fi equipment RF signal quality 802.11n and VoIP emergence
October 1, 2004	Introduction to Wi-Fi, RSSI signal strength New phones and services Bill Gates speaks in San Jose

Newsletter Archive 2004 - 2011

Previous Issues of the Connect802 Wireless Connectivity Update

Previous Issues of the
Connect802 Wireless Connectivity Update