Большой англо-русский и русско-английский словарь
either-way communication, half-duplex communication, two-way alternate communication
Англо-русский словарь технических терминов
two-way alternate communications, half-duplex communications, half-duplex communication, two-way alternate communication
Русско-английский политехнический словарь
two-way alternate communications, half-duplex communications, half-duplex communication, two-way alternate communication
Dictionnaire technique russo-italien
collegamento semiduplex