The bands and channels used for a network can greatly impact performance and reliability. Channel width dictates the amount of bandwidth used within the radio spectrum during transmission. WiFi bandwidth is measured in megahertz MHz. The minimum channel width needed is 20 MHz. High Throughput HT mode is offered in the If you have an The 2. While it lists 11 different channels, each channel is only about 5 Mhz wide. As noted above, WiFi needs a minimum of 20 Mhz.
This means that most of the 11 channels overlap into the same area of the radio spectrum. Figure 1: Channel bandwidth overlap.
The recommended channels to use on 2. As can be seen in the above diagram, these channels do not overlap into each other. In general 2. Now as we've already touched upon, WiFi channels are the smaller bands within each WiFi frequency band. There are 11 WiFi channels in the 2. With that being said, it's important to note that some of these channels cause more WiF interference than others because they overlap. Each channel on the 2. The channel centers are separated by 5 MHz, and the entire spectrum is only MHz wide.
This means the 11 channels have to squeeze into the MHz available, and in the end, overlap. The example MetaGeek uses here is what is called Adjacent-Channel interference— where neighboring WiFi channels overlap with one another. Other forms of interference also include Co-Channel— where numerous client devices are competing with one another on the same channel— and Non-WiFi— where other common household devices, like microwaves, compete for signal on one of the WiFi frequency bands 2.
With these WiFi frequency band and WiFi channel aspects in mind, you can now find the best WiFi channel for your router. Follow these steps:. And while we're on the topic of finding the best WiFi channel for your router, it's important to note that many routers today are designed to automatically choose which WiFi channel to use. However, at Minim, we did observe that routers don't always choose the best WiFi channel available and so this shouldn't be trusted entirely.
Rather, following the steps above will help ensure you router is using a WiFi channel that can deliver better, if not the most achievable, WiFi performance without the addition of other WiFi boosting devices. Samantha Albano on April 21, WiFi channels explained A WiFi channel is a small band within a larger frequency band, which is a certain radio wave frequency range that your router uses to transmit wireless signal. Best iPhones. Best External Hard Drives.
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