Using the 2.4 and 5GHz bands
Just like your laptop and cell phone, routers run their own software, in this case called firmware because it's so tightly tied to the hardware—the manufacturer preinstalls and configures it before shipping the device.
WiFi Router 5GHz
If you can't find it immediately, look up the instructions online or in the router manual. At the same time, you want to make sure no unwelcome visitors or invasive neighbors are lurking on your home network.
It depends on the device. Internet use can quickly eat up the available bandwidth, especially on slow connections or those shared among multiple people. Larger channels are more susceptible to interference, and more likely to interfere with other devices.
If you use All of your connected devices will also have to adjust their channels, but the majority of your gear will do this automatically, with no need to adjust the Wi-Fi name or password. Make sure that your Wi-Fi devices support the settings this article recommends. Configure all Wi—Fi routers on the same network with the same settings.
[Maylyn - Networking] ASUS RT-AC86U - Page 12 - lamomiedesign.com
Perhaps this will help. Moderators are not employees or representatives of HWZ. These numbers are advertised prominently on product packaging, but their meaning is often misunderstood. Here's What They Mean. Mar Posts: Apple makes no representations regarding third-party website accuracy or reliability. Wireless interface really looks like wired interface once connected. Read about possible sources of interference.
Forum members and moderators are responsible for their own posts. I will concede that it seems that wifi does go upto the bottom half of L2.
The Best Wireless Routers for 2019