pertaining to the simultaneous operation of two radio transmitters or to the simultaneous reception and transmission of radio signals over a single antenna through the use of two frequencies.
The diplex filter allows the placement of duplex signals onto a cable by the use of frequency division multiplexing.
diplex in Science
diplex
(dī'plěks') Capable of simultaneous transmission or reception of two electronic or radio signals through a single channel or component, as the simultaneous transmission of two radio signals through a single antenna.
diplex in Technology
communications (From telegraphy) Two simultaneous transmissions in one direction. Compare: duplex. (2000-03-30)