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Interference is more common in certain frequency bands and on certain WiFi channels than others. The width of a WiFi channel dictates how much data can pass through and at what speed, where the wider channels are usually associated with more data transferred at faster speeds- at least, when they aren't impacted by interference. WiFi channels are each allotted a 20 MHz segment in the frequency band they're in, and can also be bonded together to form wider segments. You can avoid such interference by choosing to use a non-overlapping, uncrowded WiFi channel.Īdditionally, there are reasons to use one frequency band over the other learn more about these reasons here! What is WiFi channel width? In the latter, devices from overlapping channels are trying to talk over each other. In the former, devices are competing for time to talk on the same channel. The key takeaway here is that some WiFi channels are better to use than others because of interference, specifically Co-Channel interference and Adjacent-Channel interference.
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11 WiFi channels are in the 2.4 GHz frequency band.Depending on which frequency band your router is using, you have a certain number of WiFi channels to choose from: Essentially, WiFi channels are smaller bands within WiFi frequency bands that are used by your wireless network to send and receive data.
#How to scan wifi channels in use upgrade
But before you seek out a Black Friday deal to upgrade your WiFi network, consider adjusting the WiFi channel width settings on your router first.īefore we discuss WiFi channel width, let's recap what WiFi channels are. The good news is you're not alone: 30% of smart device owners report they too experience wireless connectivity issues, many of whom also cite turning to WiFi extenders and mesh networks to ease their troubles. Does your WiFi signal keep dropping, or are you continually fighting with slow network speeds? If either of these situations sounds familiar, there's a high probability your wireless network is experiencing interference.