An electronic unit or device assembly intended to be used to interface one or more noninvasive devices for digital communication of clinical data, typically from a patient data gathering point (e.g., patient monitor/monitoring system) to a computer/network server; it is not intended to store data, display data/images, or control other devices. It may be an ethernet router, network switch, wireless transmitter and/or receiver, or cellular device intended for wired and/or wireless transmission of data. It is not ambulatory and not patient worn.