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Carrier
Carriers are companies that provide the use of a wireless network. They are also called service providers or operators. They own a network that includes a base station (towers) and a networking system to link those together. This service allows the user to use their network to communicate with other devices, and the bill for it. Some service providers charge per time, while others charge per the data transferred. You are familiar with the plan. It is known as “data plans”.
Check the meaning of technical terms related to Mobile Phones: