This icon is a sim card for a cellphone. It is rectangle with a cutoff edge on the top right hand side. It has square at the bottom with a design of smaller squares.
This SIM Card icon is made in Material Design style
developed by Google. This style is based on extremely simplified shapes, thin two-pixel lines, and is optimized for 24x24 px. Unlike other vector icon packs that have merely hundreds of icons, this icon pack contains 5,500 icons, all in the same style and quality.