| X-ray of a cell phone showing the speakers at the top, and the dense circuitry required to send and receive radio signals. Microphone is at the bottom. Classic flip phone. | |
| Licence : | Droits gérés |
| Crédit: | Science Photo Library / Kinsman, Ted |
| Taille de l’image : | 2806 px × 8542 px |
| Model Release : | Non requis |
| Property Release : | Non requis |
| Restrictions : | - |