WLAN Professionals Blog

Read the latest articles from Wireless LAN Professionals from the community.

Do Not Use Survey Incorrectly

Do Not Use Survey Incorrectly

In today's training video, we're going to talk about how to use the word survey properly. We all say it, we don't mean it. If you're going to use the word survey, use the word survey correctly.

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Let’s Talk About The Green Diamond

Let’s Talk About The Green Diamond

The "green diamond" represents how clients join an access point It's easy to remember. We all know the color green and we all know the shape of a diamond. But where it came from was a graphic from a slide deck I did oh, almost 20 years ago now It was a diamond because...

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Cambium Networks XV3-8 Review

Cambium Networks XV3-8 Review

Let's take a closer look at the Cambium Network's XV3-8 Access Point. You can download read all the specs on the XV3-8 here: https://www.cambiumnetworks.com/resource/xv3-8-wi-fi-6-access-point-data-sheet/

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Do NOT Place APs Above Ceiling

Do NOT Place APs Above Ceiling

You should not put your access points above the ceiling tiles. In today's rules for efficient Wireless Lan design, we're going to talk about why you should not put your access points above the ceiling tiles.

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Do Wi-Fi Clients Really Matter?

Do Wi-Fi Clients Really Matter?

Are there differences between Wi-Fi devices? Really? Many think a Wi-Fi device is just like any other Wi-Fi device. But the truth is, there are HUGE differences between devices' capabilities. IF you can figure out how to give a device what it wants, it WILL perform...

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Understanding dB Math

Understanding dB Math

As a Wireless LAN Engineer you need to understand dB math  So, in this little video we're going to talk about some quick ways you can learn to do dB math, even in your head Files for Download: Build a dB to mW Conversion Table dB math in 5 minutes dBm to mW Conversion...

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Electromagnetic Spectrum over the Years

Electromagnetic Spectrum over the Years

I found some older graphics showing how folks in the past viewed the RF spectrum. Obviously, very little has changed over the decades… other than how efficient we are at USING the spectrum in all our communications. This is how they saw the RF spectrum allocations...

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MCS Table and How To Use it

MCS Table and How To Use it

Today in our training video, we're going to talk about one of my favorite things, the MCS table, and how you can use it. The MCS table is one of the things that I not only love to teach, but to use because it helps me evaluate the quality of the RF environment. Also,...

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Challenge: Post Daily!

Challenge: Post Daily!

Questions & Evidence-Based Answers | Post.Every.Single.Day Why? We are in some crazy COVID times and we thought it might be a good idea to share our answers to questions people might have about Wi-Fi. Plus, it is quite fun to set up and perform experiments to show...

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Fluke Certified Cable Test Technician Training

Fluke Certified Cable Test Technician Training

Almost two decades ago, I met and was impressed by a man who knew so much more than I about all things packet analysis.I attended a course way back in Networld/Interop days from Mr. Mike Pennacchi. Fast forward to last week. I again had a chance to sit at his feet,...

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Cisco Catalyst Access Point Updates with Fred Niehaus

Listen up marketing people out there in the Wireless LAN community… “We need more presentations like Fred Niehaus!” I’ve been a delegate at many Tech Field Day events, and have watched every.single.one of the presentations of Mobility Field Day and the prior Wireless...

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Training for CBRS Installation Certification

Training for CBRS Installation Certification

In a previous blog post, we talked about CBRS for the Wireless LAN Engineer. It covered some of the technical aspects as well as similarities and differences between CBRS and 802.11.Vendor Neutral Training & Certification There are tons of courses for learning...

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Using EMANIM to Visualize Radio Waves

Using EMANIM to Visualize Radio Waves

For nearly 20 years I’ve been using the EMANIM classic application by Andras Szilagyi to help students of Wireless LANs to visualize radio frequency waves… Those of us involved in Wi-Fi have a tough job. We have to work on something we can’t touch, see, or feel – so...

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Always More to Learn About RF

Always More to Learn About RF

Like many industries, the Wireless LAN community is made up of people with a wide range of education and experience. Even those with decades of experience can still learn and adapt our view of how the invisible medium we work with works. At Aruba's Atmosphere...

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Updated Unlicensed Spectrum Charts

On April 23rd, 2020 – the FCC in the US voted to open 1,200 MHz of spectrum for Unlicensed use. Basically, allowing for a massive change in the available spectrum we can access in our Wireless LAN designs and deployments. As of today, there are no vendors shipping...

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Ethernet over NOT-Cat5 Cable Solutions

Ethernet over NOT-Cat5 Cable Solutions

We have been trained and reinforced for decades that Ethernet rides over some form of Twisted Pair Cabling. If we are old enough, we might remember the ‘good old days’ of Thicknet or Thinnet Ethernet cable… but for most of our professional lives we have worked with...

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CBRS for the Wireless LAN Engineer

There has been a lot of talk lately about this CBRS or Private LTE technology. Actually, it has been talked about for years and years. But it is finally nearing a stage to come to market and be installed in an enterprise near you. First, CBRS does NOT use 802.11...

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CLI Commands for Troubleshooting Wi-Fi

CLI Commands for Troubleshooting Wi-Fi

For many of us in the Wireless LAN industry, we’ve moved on to Graphical Interfaces along with the vendor gear we support. Having HTML access to a GUI, or using a specific App is the norm for many who support Wireless LANs. But there are still some distinct and useful...

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Bluetooth Primer

Bluetooth Primer

Bluetooth technology has been around for a very long time… ever since 1989! But it has been improved, updated and is currently found in most of our personal devices. But many don’t know the details about it, other than it just works. The Bluetooth logo is made up of...

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12 Steps To Being A Great Student

As a wireless LAN professional chances are you will be sitting through some sort of training. This is true if you expect to advance in your career, or just want to stay up to date on all the changes that go along with working in a highly technical field....

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Interview with Karol Krol about AirMobile

Wi-Fi as a dominating method of communication must always work and perform, In business today there is never be room for delays in deliveries.  In this interview, Karol Kroll shares how AirMobile can help find issues and root cause problems before users complain. Want...

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Filtering and Coloring Frames with Wireshark by Joel Crane

Filtering and Coloring Frames with Wireshark by Joel Crane

Joel Crane presented at WLPC Phoenix 2018 on how to quickly apply filters without having to memorize regular expressions, create coloring rules to track 802.11 exchanges and build custom configuration profiles. You can go HERE to watch the full presentation. When...

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