| Subject | English | Czech |
| comp., MS | cable modem | kabelový modem (A device that enables a broadband connection to the Internet by using cable television infrastructure. Access speeds vary greatly, with a maximum throughput of 10 megabits per second (Mbps)) |
| comp., MS | fax modem | faxmodem (A modem that sends (and possibly receives) data encoded in a fax format (typically CCITT fax format), which a fax machine or another modem decodes and converts to an image) |
| comp., MS | internal modem | interní modem (A modem constructed on an expansion card to be installed in one of the expansion slots inside a computer) |
| comp., MS | modem compression | komprese modemem (A technique used to reduce the number of characters transmitted without losing data content. The transmitting modem compresses the data and the receiving computer or modem decompresses the data back to its original state) |
| comp., MS | modem server | modemový server (A server that manages a group of modems. When someone on a network dials out from a computer, or dials in to a computer from another location, the server provides the next available modem to make the connection) |
| comp., MS | null modem | nulový modem (Special cabling that eliminates the modem's need for asynchronous communications between two computers over short distances. A null modem cable emulates modem communication) |