It's a TV four small box's on one big square. Each box is a channel feed allowing you to watch all these simultaneously.
This icon is a part of a collection of Layout flat icons produced by Icons8. Icons follow the guidelines of iOS, Windows, and Android and are designed by a single designer, guaranteeing the consistent quality.
Idea of Layout Icon by Hervé
We've received the idea on August 31, 2012 and created the icons on February 2, 2013
A widescreen TV with HD logo, a widescreen tv with SD logo, a widescreen TV with channel mosaic for a GPL program. No problems about the link ;-)