Learn in the textbookInternet Connection Services and Telecommunications Carriers
DefinitionAn MVNO (mobile virtual network operator, 仮想移動体通信事業者) is an operator that rents another company's mobile network and sells mobile service under its own brand.
ExplanationAn operator that owns its mobile network is called an MNO, and an MVNO uses that network. Because it keeps investment in base stations and similar equipment down, many MVNOs offer low-priced plans known as budget SIMs (格安 SIM).
AnalogyPicture a travel agency with no vehicles of its own that rents seats on a major bus company's routes and sells tours under its own name.
Memory hookLook at the Virtual in Mobile Virtual Network Operator. The V is your signal that the company does not actually own a network.