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RF Duplexer
He momo motuhake te pūrua rua e whakamahia ana i roto i ngā pūnaha whakawhitiwhiti ahokore hei wehewehe i ngā tohu e tukuna ana me ngā tohu e whiwhihia ana i roto i te rohe auau. Ko te pūrua rua he takirua o ngā rua e whai kawenga ana mō te whakawhitiwhiti kōrero i te taha kotahi.
Ko te kaupapa mahi o te pūrua rua e ahu mai ana i te whiriwhiri auau, e whakamahi ana i tētahi rua haruru motuhake hei tuku tohu i roto i te awhe auau. Ina koa, ina tukuna he tohu ki roto i tētahi pūrua rua, ka tukuna ki tētahi rua haruru motuhake, ka whakanuia, ka tukuna i te auau haruru o taua rua. I taua wā anō, ka noho tonu te tohu i whiwhi ki tētahi atu rua haruru, ā, e kore e tukuna, e pokanoa rānei.