From Apple's support docs: https://support.apple.com/guide/deployment/wi-fi-ethernet-specifications-apple-devices-dep268652e6c/web https://support.apple.com/gu

From Apple's support docs: https://support.apple.com/guide/deployment/wi-fi-ethernet-specifications-apple-devices-dep268652e6c/web https://support.apple.com/guide/deployment/wi-fi-ethernet-sp... No devices support 320Mhz bandwidths, and only supports 160Mhz on 6GHz band on MacBooks and iPads. Some iPhones support 160Mhz on 5GHz as well.