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by Xen9 501 days ago
Most antennas require desoldering to disable, but mmWave & possibly NFC can be removed without it. Lining the case thoroughly with EMI tape edge-to-edge and adding another layer over any gaps blocks RF signal emission & reception. The screen side doesn't need shielding since antennas aren't directed through it. If you set & use USB-C for charging only and your installation passed PGP & attestation, then the OS disabling wireless components will also eliminate active remote attack surface & reduce passive remote attack surface at least remarkably.