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_SLIDE_2_ ÀüÆÄ (radiowave) _SLIDE_3_ Radiowave Frequency : 3kHz~3tHz Wavelength : 1mm ~ 100km (ITU) _SLIDE_4_ EHF(Extremely High Frequency) : ÀͽºÆ®¸²ÇÏ°Ô ³ôÀº ÁÖÆļö SHF(Super High Frequency) : ½´ÆÛÇÏ°Ô ³ôÀº ÁÖÆļö UHF(Ultra High Frequency) : ¿ïÆ®¶ó ÇÏ°Ô ³ôÀº ÁÖÆļö VHF(Very High Frequency) : V¤Ä¸® ³ôÀº ÁÖÆļö HF(High Frequency) : ³ôÀº ÁÖÆļö MF(Mideum Frequency) : Áß°£ ÁÖÆļö LF(Low Frequency) : ³·Àº ÁÖÆļö VLF(Very Lo... |
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