BTF Idanwo Lab Redio igbohunsafẹfẹ (RF) ifihan
Apejuwe kukuru
Nigbati igbohunsafẹfẹ itanna ba wa ni isalẹ ju 100kHz, igbi itanna yoo gba nipasẹ dada ati pe ko le ṣe gbigbe gbigbe to munadoko, ṣugbọn nigbati igbohunsafẹfẹ itanna ba ga ju 100kHz, igbi itanna le tan kaakiri ninu afẹfẹ ki o tan imọlẹ nipasẹ ionosphere ni eti ita ti oju-aye, ti o n ṣe agbara gbigbe ijinna pipẹ, a pe ni igbi itanna elekitiriki ti o ga julọ pẹlu agbara gbigbe ijinna pipẹ agbara igbohunsafẹfẹ redio, abbreviation English: RF
Ifihan to Bluetooth Technology
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