A matsayin muhimmin sashi na kimiyya da fasaha na zamani, ana amfani da firikwensin. Daga sarrafa kansa na masana'antu zuwa gidaje masu wayo, daga kiwon lafiya zuwa kariyar muhalli, na'urori masu auna firikwensin suna taka muhimmiyar rawa. Suna iya ganewa da auna nau'ikan nau'ikan jiki daban-daban, kamar zafin jiki, matsa lamba, ƙarfin haske, sauti, da sauransu, kuma suna canza wannan bayanin zuwa siginar lantarki waɗanda za'a iya sarrafa su da watsawa. Wannan ƙarfin jujjuyawar yana sa na'urori masu auna firikwensin gada tsakanin duniyar zahiri da dijital, tana ba da shigar da mahimman bayanai don tsarin da na'urori iri-iri masu hankali. Tare da ci gaba da ci gaban fasaha, daidaito, kwanciyar hankali da amincin na'urori masu auna sigina kuma suna inganta, suna ba da damar yin amfani da yanayin aikace-aikacen da yawa.