The cell signal, the wifi, the Bluetooth, the GPS – each of these are different sources of EMF radiation emitted by your phone when it’s on.ĮMF is invisible, which is part of why it’s so easy to ignore. In fact, your cell phone isn’t just a source of EMF radiation– it’s actually several sources of radiation. Cell Phones Emit Harmful RadiationĬell phones, like all wireless technology, are able to communicate by sending and receiving a form of radiation called EMF, or electromagnetic radiation. Featured Infographic: Click to download full size image.