Unless you turn-on wifi or bluetooth, yes
All broadcasts are off (with the possible exception of nfc … but since Apple Pay / Google Pay / etc don't work without internet access, whether or not nfc is disabled is moot)
March 26, 2020 at 09:54AM
via reddit https://www.reddit.com/r/cybersecurity/comments/fpa1a9/pocket_sized_faraday_bag/fljzw47?utm_source=ifttt