The RT5390R 802.11bgn wireless N card is a single band (2.4 GHz only) wifi adapter. Anytime you see a wireless N adapter with a suffix that ends in b/g/n, that means it is a single band wifi adapter. Dual band wireless N adapters have suffixes that end in a/b/g/n, or a/g/n.
Try to repair your internet connection. Click Start and type "cmd". - Right click on Command Prompt and run it as administrator. - Copy and paste the following line one at a time, pressing enter each time: netsh winsock reset - and press Enter. netsh int ip reset - and press Enter. ipconfig / release - and press Enter.
The adapters that currently support Wi-Fi 6 or Wi-Fi 6E, also known as IEEE 802.11ax, are the Intel® Wi-Fi 6 AX200, Intel® Wi-Fi 6 AX201, Intel® Wi-Fi 6E AX210, Intel® Wi-Fi 6E AX211, and Intel® Wi-Fi 6E AX411 adapters.
In 1997, the first WLAN standard was released - IEEE 802.11. It was developed to operate on the 2.4 GHz ISM band and supported speeds of 1 Mbps - 2 Mbps. Compared to the speeds we have now, it would take longer to download files and cause challenges with group video calls, online gaming, and streaming.
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what is 802.11 n wlan adapter
