Cellular Networks
Cellular networks are wireless communication systems that use a network of cell sites (base stations) to provide mobile voice, data, and messaging services over a wide geographic area. They operate on licensed radio frequency bands and enable connectivity for devices like smartphones, IoT sensors, and vehicles through technologies such as 2G, 3G, 4G LTE, and 5G. These networks are essential for mobile telecommunications, supporting billions of users globally with features like roaming, handover between cells, and quality-of-service management.
Developers should learn about cellular networks when building applications that rely on mobile connectivity, such as location-based services, real-time communication apps, or IoT solutions requiring remote data transmission. Understanding cellular technologies (e.g., 5G for low latency) helps optimize network performance, handle connectivity issues, and ensure compatibility across different devices and regions. It's also crucial for roles in telecom, mobile development, or embedded systems where network protocols and infrastructure impact system design.