SimtoLink: Gateways carry Modbus devices over cellular
A cellular base station is core infrastructure of a mobile communications system. It transmits, receives, amplifies, and forwards radio signals, and it is an important bridge between mobile terminals and the core network. The level of base-station technology directly determines coverage quality, capacity, and service capability. In the IoT era, a base station must serve traditional voice and data and also support connections from large numbers of IoT devices.
A modern cellular base station is a highly integrated, complex system. It includes radio units, baseband processing units, antenna systems, transmission equipment, power systems, monitoring systems, and other subsystems. Each subsystem uses advanced digital signal processing, software-defined radio, and intelligent management, delivering efficient, highly reliable wireless service. With commercial 5G deployment, base-station technology is moving toward higher bands, wider bandwidth, and lower latency.
As the nerve endings of a mobile network, base stations have evolved from large to small, from centralized to distributed, and from dedicated hardware to general platforms. Early base-station equipment was bulky, power-hungry, and expensive, and it needed a dedicated room and supporting facilities. With technical progress, modern base stations are smaller, more efficient, and more intelligent, and deployment is more flexible. Especially with 5G, a base station is no longer only a communications device. It has become an intelligent network node that combines communications, computing, and storage.
Source: https://www.simtolink.com/support/communication/cellular-base-station.html