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  • Category: Wireless Technologies

    Wi-Fi 7 vs Wi-Fi 6

    The world is moving at such a pace that while one technology has not yet fully settled in the market, it is already being replaced by another. This is about the new wireless connection standard, Wi-Fi 7, which is set to gain a new version in the spring of 2024. Does another number in the […]

    Date: 06.03.2024

    Manage Cisco APs from the Meraki cloud

    Migration from on-premise environment to Meraki dashboard The new Cisco CW916X series of access points currently includes the CW9162, CW9164 and CW9166 models. It is revolutionary not only because it introduces Wi-Fi 6E technology in the segment of devices for business of various scales, but because CW9166 are equivalent to 9130AXI. It turns out that […]

    Date: 28.05.2023

    Wi-Fi 6: High-Efficiency WLAN with IEEE 802.11ax [UPDATED]

    The 802.11ax brings important features, focusing on network capacity, latency and range. High data rates are still in the picture, but rather in the background. Introducing OFDMA and using MU-MIMO allows AP to schedule data for multiple users simultaneously. This way, latency can be greatly decreased. With the new colors of the channels, frequencies can be spatially reused.

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    Date: 07.04.2023

    Security of wireless networks – how do hackers get in? 

    When dealing with networks, both wired and wireless, we can’t fail to mention the security issue. In the case of wireless networks, many users are unaware of the hazards lurking when switching between networks and using unprotected, unverified wireless networks. This article will answer your questions on securing the Wi-Fi network and making it resistant […]

    Date: 08.08.2022

    Author: Marcin Bialy

    Wireless Network Security – How to Design Enterprise Wi-Fi?

    In today’s post, we’ll cover the planning, design, and building of professional, Enterprise-grade wireless networks, i.e. advanced wireless networks. We’ll touch on the selection of equipment and components used in these professional networks. We’ll also review Wi-Fi access network protections in tandem with a component called Cisco ISE, which plays a role of a hub for […]

    Date: 25.07.2022

    5G health issues – the discussions

    I want to thank all readers for their interest in the post and the discussions we had during the past months about 5G health issues. There was a high number of supporting comments and requests for clarification, but also quite a few critical comments to both of my published posts (What’s wrong with the “studies” and 5G health […]

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    Date: 07.12.2020

    Author: Kurt Behnke

    Wi-Fi 6: Q&A

    What is Wi-Fi 6 (IEEE802.11ax)? How does it compare to Wi-Fi 5 (IEEE802.11ac)? Will older phones connect to Wi-Fi 6? The post combines the most frequently asked questions about Wi-Fi 6.

    Date: 02.06.2020

    Dual Connectivity – Practical Aspects

    You may wonder why I’m writing about Dual Connectivity. After all, it comes from LTE in Rel-12, when we are currently within the Rel-16/17 timeframe. The reason for this is that the DC from LTE is treated as a baseline. The enhanced version is incorporated within 5G as one of the main features to allow the so-called Multi-RAT DC (MR-DC). If we look from a broader perspective, we have a multitude of use cases for DC, including LTE-DC, NR-DC, LTE-NR-DC, NR-LTE-DC, LWA. Therefore, this post aims at shedding light on the different aspects of DC, being the legacy feature, which can be extrapolated towards the current situation. 

    Date: 26.05.2020

    Wi-Fi issues: site-surveys and troubleshooting

    Recently, we’ve been doing numerous site surveys and verification of Wi-Fi deployments in offices with more than 50APs per office in a managed setup (meaning that the APs are under the supervision of a wireless controller). In this post, I’d like to sketch an overview of the encountered issues and improvement suggestions.

    Date: 24.01.2020

    5 Most Popular Grandmetric Technology Articles From 2019

    We’ve been bringing the tech trends to the readers of our blog, by continuing to write on certain topics (like 5G, SD-WAN, Wi-Fi networking). As a summary from 2019, we have compiled here a list of the 5 most popular posts from our website.

    Date: 02.01.2020

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