🌐EnglishEnglishBahasa IndonesiaDeutschEspañolFrançaisItalianoNederlandsPolskiPortuguêsSvenskaTiếng ViệtРусскийالعربيةفارسی한국어中文日本語EntityQ625306· pop 31· linked from 451 articlesduplex communicationAlso known as duplexcommunication flowing in both directions simultaneouslyAvailable in 31 languagesEspañolFrançaisDeutsch中文日本語РусскийPortuguêsItalianoالعربيةBahasa IndonesiaBasqueConnectionsUniversal Mobile Telecommunications SystemEntitylist of ITU-T V-series recommendationsEntityCategoriesAmateur radioCommunication circuits