The Preamble Puncturing configuration item is located within the RF profile settings for the 5 GHz and 6 GHz radio bands. It is not enabled by default. To configure it, you'll need to access the RF profile settings for the relevant radio bands and enable the Preamble Puncturing option. Please check this link: https://documentation.meraki.com/MR/MR_Installation_Guides/CW9176I_Installation_Guide Thanks
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