No Mobile Phones Sign - Clear Prohibition Symbol for Public Safety #320050 (License: Personal Use)

The image displays a bold yellow circular sign featuring the word “NO” in large black letters alongside a red prohibition circle with a diagonal slash over a classic mobile phone icon. Its high-contrast design ensures immediate recognition, making it suitable for environments where phone use poses safety, privacy, or distraction risks. The sign adheres to standard ISO warning signage conventions for visual clarity and compliance.

Used in hospitals, exam rooms, theaters, libraries, laboratories, and secure facilities where mobile phone signals or usage must be restricted. Matches user intent for finding clear, printable signage for policy enforcement or regulatory compliance.