Technical Articles on Wi-Fi

Technical Articles on Wi-Fi are listed on everything RF. This section consists of technical articles written by the everything RF editorial team and by leading companies whose expertise lies around Wi-Fi. Visit everything RF to read technical articles on various topics.

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2.4 GHz Wi-Fi (802.11b/g/n) Channels and Frequency Band

Technologies Wi-Fi

Editorial Team

Oct 6, 2018

2.4 GHz WLAN/Wi-Fi Technology (802.11 b/g/n) uses the frequency band from 2401 to 2484 MHz. This bandwidth is divided among 14 channels. Each of the WLAN / Wi-Fi Channels are spaced 5 MHz apart, excep...read more

What is MU-MIMO?

Technologies Wi-Fi

Editorial Team

Jul 7, 2019

MU-MIMO (multi-user, multiple input, multiple output) is a wireless technology that allows a single access point to simultaneously communicate with multiple devices to improve overall efficiency. MU-M...read more

What is Co-Channel Interference?

RF Basics Wi-Fi

Editorial Team

Apr 4, 2019

Co-channel interference or CCI exists when two or more devices are operating on the same frequency channel.Co-channel interference is not actually an interference but more a sort of congestion. It hin...read more

What frequency band does Wi-Fi 6E use?

Wi-Fi

Editorial Team

Mar 3, 2020

Wi-Fi 6E operates in the 6 GHz band from 5.925 to 7.125 GHz. The Wi-Fi Alliance has allocated 1200 MHz of spectrum from 5.925 to 7.125 GHz for Wi-Fi applications. Traditionally Wi-Fi Technology (Inclu...read more

What is Passpoint or Hotspot 2.0?

Wi-Fi Wireless Infrastructure

Editorial Team

Jun 18, 2019

The WiFi Alliance launched Passpoint in 2012, with a goal to transform the Wi-Fi hotspot experience.Passpoint (also known as Hotspot 2.0), is a technology that allows mobile devices to automatically c...read more

What is WiFi3?

Wi-Fi

Editorial Team

Nov 20, 2017

WiFi3™ is a multi-channel WiFi technology developed by Edgewater Wireless. It is backed by 24 patents to deliver multiple, concurrent channels of transmit and receive on the same radio. It uses 3 chan...read more

What is Wi-Fi 7?

Wi-Fi

Editorial Team

Jun 13, 2021

Wi-Fi 7 or IEEE 802.11be is the next iteration of the IEEE 802.11 standard. It is the successor to 802.11ax (Wi-Fi 6/6E) and will focus on providing indoor and outdoor wireless LAN (WLAN).Wi-Fi ...read more

What is Better - Wi-Fi 6 or 5G?

5G Technologies Wi-Fi

Cees Links

Qorvo

Every time a new cellular phone standard comes out, we see new claims about the “end of Wi-Fi.” When 3G was announced, the promise was that it would make Wi‑Fi (802.11b) redundant, which c...read more

What is Wi-Fi 6 or 802.11ax?

Technologies Wi-Fi

Editorial Team

Oct 6, 2018

Wi-Fi 6 or Max Wi-Fi or 802.11ax is designed to operate in the existing 2.4 GHz and 5 GHz Wi-Fi spectrum. The 802.11ax standard is engineered to increase capacity by up to 4x, along with improving eff...read more

What is Wi-Fi 6E?

Wi-Fi

Editorial Team

Mar 3, 2020

Wi-Fi 6E, is an updated version of Wi-Fi 6 that operates in the newly allocated 6 GHz frequency band. Operating in this new frequency band, allows Wi-Fi 6E to provide higher performance, lower latency...read more

What is 802.11ah or HaLow?

802.11 Wi-Fi

Editorial Team

Apr 27, 2024

Wi-Fi HaLow, also known as 802.11ah, is a sub-1 GHz long-range, low-power, wireless technology that was developed by the Wi-Fi Alliance in 2017 for IoT and IIoT applications. Operating at lower freque...read more

What is Wi-Fi Sensing?

Radars Wi-Fi

Editorial Team

Apr 13, 2021

Wi-Fi Sensing is a technology that uses Wi-Fi signals to operate like a short-range passive radar by measuring how they interact with movement and the environment. By pinging the environment, Wi-Fi se...read more

Testing Challenges and Solutions for Accurate Wi-Fi 6 Chipset and Device Characterization

Wi-Fi

Walt Strickler, VP & General Manager

Boonton

Wi-Fi 6 chipsets and devices harness the latest wireless standard with improved capabilities and performance. Enabling metrics such as faster data throughput and greater network efficiency may be favo...read more

What is MiFi?

RF Basics Technologies Wi-Fi

Editorial Team

Nov 7, 2017

MiFi is a portable cellular device that works as a mobile Wi-Fi hotspot. It has an integrated Wi-Fi router and a cellular modem. Laptops and other devices that do not have a cellular modem can connect...read more

What is 802.11ax?

Wi-Fi

Editorial Team

Feb 6, 2018

802.11ax or High-Efficiency Wireless (HEW) is the successor to 802.11n. This next-generation WLAN standard has been developed to improve average data throughput up to 4x in locations with high user de...read more

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