| Subject | English | Spanish |
| IT | broadband communication channel | canal de comunicación de banda ancha |
| tech. | channel of communication | vía de comunicación |
| tech. | channel of communication | conducto oficial de enlace |
| social.sc. | channels of communication | vías de comunicación |
| social.sc. | channels of communication | conducto |
| el. | coherent communication channel | canal de comunicación coherente |
| IT | communication channel | canal de transmisión |
| pwr.lines. | communication channel | circuito de telecomunicación |
| commun., IT | communication channel | canal de comunicaciones |
| commun., IT | communication channel | línea de comunicaciones |
| comp., MS | communication channel | canal de comunicación (A medium for transferring information. Depending on its type, a communications channel can carry information (data, sound, and/or video) in either analog or digital form. A communications channel can be a physical link, such as the cable connecting two stations in a network, or it can consist of some electromagnetic transmission on one or more frequencies within a bandwidth in the electromagnetic spectrum, as in radio and television, or in optical, microwave, or voice-grade communication) |
| comp., MS | communications channel | canal de comunicación (A medium for transferring information. Depending on its type, a communications channel can carry information (data, sound, and/or video) in either analog or digital form. A communications channel can be a physical link, such as the cable connecting two stations in a network, or it can consist of some electromagnetic transmission on one or more frequencies within a bandwidth in the electromagnetic spectrum, as in radio and television, or in optical, microwave, or voice-grade communication) |
| nat.sc. | communications channel controller | controlador del canal de comunicaciones |
| IT | covert channel communication | comunicación por canal oculto |
| law, IT | covert communication channel | canal secreto de comunicación |
| el. | data communication channel | canal de comunicación de datos |
| gen. | formal channel for communication and consultation | cauce formal de comunicación y consulta |
| commun., el. | serial four-channel communications controller board | placa SFCC-1 |
| IT | spread-channel communication | comunicación de espectro extendido |
| el. | supplementary communication multiplex channel | canal de comunicación suplementario obtenido por multiplaje |
