In this blog post, we will see how we can make a simple API Call to the Mist cloud in order to have all APs, supporting a Wi-Fi network, broadcast their name. We usually enable this feature when we are about to do a Wi-Fi site survey. This allows us to see the AP names [...]
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SemFio Networks, alongside Anixter and LHSC, organized the first Wi-Fi Meetup in London ON. The main topic of this first meetup was Wi-Fi 6. The event was very nice and attracted network Engineers supporting large wireless infrastructure in London. We even had a couple of guys coming from the GTA. We will be organizing a [...]
As you know, all data rates are changing with 802.11ax, Hence, the new MCS table you can find here: https://www.semfionetworks.com/blog/mcs-table-updated-with-80211ax-data-rates In this article, we will see how we can figure out the data rate of a specific 802.11ax data frame. If you want to know how to capture 802.11ax data frames, refer to this article [...]
I was invited to attend and present at the Wi-Fi Design Day in Sydney organized by Ekahau and Dicker Data. I would like to thank Grant, Antony, Darko and the rest of Ekahau’s team for organizing such a nice event. We presented at the Opera House, which is such an iconic venue in Sydney! Stephen [...]
I recently purchased a Wi-Fi 6 device (Samsung Galaxy S10), and when I checked which date rate it was using over the Wi-Fi, this is what I got: I wanted to find out which MCS index and which modulation was used but after doing some research online, I couldn't find any easy resources that could [...]
I am really excited about 2019. The Wi-Fi technology is always evolving, bringing new challenges along the way. And this year is no exception. I am looking forward to the challenges that I will face this year and I am looking forward to the new learning experiences that 2019 will bring. In this article, I [...]
This article presents the regulations around the use of the unlicensed 5GHz frequencies for Wi-Fi communications in Canada. It provides an update and consolidation of our previous articles and includes the changes made by ISED (Innovation, Science and Economic Development Canada) in 2017. We are also talking about the future outlook presented by ISED earlier this year. [...]
It feels good to be able to do what you like, it feels even better when there is a purpose in doing it. That is often something I ask myself when working on different projects for different customers. Am I making a difference? Who will benefit from my work? Who am I designing or installing Wi-Fi [...]
UPDATE - MAY 2020 In may 2020, the FCC officially announced that the 6GHz frequency space will be available for unlicensed use in the US. We have contacted ISED in order to know what was the status for Canada. Here is what they told us: The is no project to free up the 6GHz frequency [...]
This infographic was inspired by the work of Nigel Bowden and Devin Akin. Nigel wrote this really good article on DFS that you can find on his website wifinigel.blogpost.com. Devin presented a really detailed webinar on DFS in partnership with Netscout. You can find the recording here. I would encourage you to go and take a look at their ressources. Note: [...]
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