The two major components in a small computer network are a modem and wireless router. The modem is wired to the Internet via the cable company's coaxial cable, the telephone company's DSL phone ...

See PCI and PCI Express. Cellular wireless adapters, also called "cellular modems," "air cards," "broadband adapters" or "broadband cards," deliver the same 3G, 4G and 5G wireless service that ...