Apple M2 chips support the 6GHz RF(Radio Frequency) spectrum for Wi-Fi. If you don’t know what that means, then this post is probably not for you. However, if you do know your 2.4GHz from your 5GHz , then read on for some reverse engineering relating to; packet captures, custom bitmasks, and how to figure out which WLAN bands and channel widths are around your Mac (without having to use Apple’s CoreWLAN or clicking the Wi-Fi icon in the menubar).