This is the Sieć komórkowa icon for Windows 10. Here we go. Optimized for 32x32 px, these are the simplest icons in the line style. Downloadable formats are PNG and SVG, among others. Icons8 icon pack is unique in providing a huge number of icons designed by the same team of four designers who create the new icons every working day in the same style and with the same quality. Same cool as the Bat Face, huh.
This icon is for cellular network service. In the center, it has a straight vertical line with a small circle on the top of it, indicating an antenna. There's one small, unclosed circle around the top of it, then a larger circle around that one.