3.8K views · 50 reactions | Mobile phones connect to a global network of cell towers using radio signals, allowing them to communicate wirelessly. Each phone uses a SIM card to identify the user on the network. The phone’s internal hardware and software work together to manage calls, texts, and data #MobilePhones #GlobalNetwork #CellTowers #RadioSignals #WirelessCommunication #SIMCard #TechExplained #MobileTech #NetworkConnection #WirelessTech | The MES Times | Facebook

2.7K views · 17 reactions | Thirty-five years ago, the first cellular mobile phone service network became available to the general public. The first step to a world of wireless communication. Let's be honest, would you be able to live without it? | ASML | Facebook