Wi-Fi Signal Icon - Free Vector Graphic for Web & App Design #3141 (License: Personal Use)

This vector-style icon features a solid blue upward-pointing triangle base with three concentric curved arcs above, symbolizing radio waves emitted by a wireless router or device. The stark contrast against the black background ensures visibility and scalability across UI elements, from mobile apps to dashboard widgets.

Commonly used in tech websites, app interfaces, network settings menus, and instructional content about internet connectivity; matches user intent for visual cues related to wireless access, signal strength, or network status.