A modem for use in a laptop or other computer with a PC Card (PCMCIA) slot. Modem PC Cards come in landline and wireless varieties, the latter enabling you to connect to a specific cellular or ...

An internal modem card is a device that is plugged in to an ISA or PCI slot on a computer and is used to transmit data from one computer to another across a telephone line. A modem card converts ...

On a card, it can be an "air card," "data ... While a cellular modem plugs directly into the computer, smartphones and stand-alone broadband routers convert cellular signals into a Wi-Fi hotspot ...