Friday 28th November 2025
    Difficulty: Very hard

    Phone masts (#1,106)

    Photo by <a href="https://unsplash.com/@midkiffaries?utm_source=unsplash&utm_medium=referral&utm_content=creditCopyText">Ted Balmer</a>
    Photo by Ted Balmer (Unsplash)

    Questions about typical phone masts in the UK (even though the picture is an atypical one, not in the UK).

    1. What is the minimum safe distance between a phone mast antenna and a person?

    2. What is the maximum allowed height for a new phone mast in the UK, assuming it's not in a protected area like a park?

    3. What is the typical power output of each antenna on a mid-band 5G phone mast?

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