D2U1P3L1E1X8E1R1S1
19 points
DUPLEXERS is validvalid
DUPLEXER, an electronic switching device [n]
DUPLEXER, a system allowing use of the same aerial for transmission and response [n]
DUPLEXER, an electronic switching device [n]
DUPLEXER, a system allowing use of the same aerial for transmission and response [n]