| Subject | English | Italian |
| IT | modulator-demodulator | modulatore-demodulatore |
| commun., IT | modulator/demodulator | modulatore/demodulatore |
| IT | modulator-demodulator | modem |
| IT | MOdulator-DEModulator | modem |
| comp., MS | modulator/demodulator | modulatore/demodulatore (A communications device that converts between digital data from a computer or terminal and analog audio signals that can pass through a standard telephone line) |
| commun. | modulators/demodulator Modem units for data transmission | unità di modulazione/demodulazione per la trasmissione dei dati |