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  • bitdays.co.kr/2021/09/09/%ea%b3%b5%ea%b3%b5-%ec%95%88%ec%a0%84-lte-5g-%ec%8b%9c%ec%9e%a5-2021-2026-%ec%84%a0%eb%8f%84-%ea%b5%ad%ea%b0%80-%eb%8d%b0%ec%9d%b4%ed%84%b0%ea%b0%80%ec%9e%88%eb%8a%94-%ec%82%b0%ec%97%85/ (port 80)