No Mobile Phone Sign - Prohibition Symbol for Silent Zones #2010281 (License: Personal Use)

The image displays a regulatory sign with a bold red circle and diagonal slash overlaid on a black silhouette of a mobile phone emitting signal waves. The high-contrast design ensures immediate recognition, adhering to international safety signage conventions. It is commonly used in environments requiring silence or where electronic interference must be avoided.

Used in hospitals, libraries, theaters, exam halls, and aircraft cabins to enforce quiet or prevent electromagnetic interference; matches user intent for finding signage templates, safety compliance resources, or public policy visuals.