무선 시대

<div class="table-wrap"><table data-ke-type="table" data-ke-align="alignLeft" style="width: 95.6673%; height: 244px;" border="1"><tbody><tr style="height: 18px;"><td style="width: 6.80693%; height: 18px; text-align: center;">용도</td><td style="width: 29.8199%; height: 18px; text-align: center;" colspan="3">이동통신</td><td style="width: 39.4879%; height: 18px; text-align: center;" colspan="4">Wi-Fi</td><td style="width: 19.6139%; height: 18px; text-align: center;" colspan="2">방송(지상파)</td></tr><tr style="height: 18px;"><td style="width: 6.80693%; height: 18px; text-align: center;">구분</td><td style="width: 9.39198%; height: 18px; text-align: center;">4G(LTE)</td><td style="width: 9.54368%; height: 18px; text-align: center;">5G</td><td style="width: 10.8842%; height: 18px; text-align: center;">6G</td><td style="width: 9.39906%; height: 18px; text-align: center;">Wi-Fi 4</td><td style="width: 9.54362%; height: 18px; text-align: center;">Wi-Fi 5</td><td style="width: 9.66579%; height: 18px; text-align: center;">Wi-Fi 6/6E</td><td style="width: 10.8794%; height: 18px; text-align: center;">Wi-Fi 7</td><td style="width: 10.1982%; height: 18px; text-align: center;">4K방송</td><td style="width: 9.41574%; height: 18px; text-align: center;">8K방송</td></tr><tr style="height: 18px;"><td style="width: 6.80693%; height: 36px; text-align: center;" rowspan="2">속도</td><td style="width: 9.39198%; height: 18px; text-align: center;">1Gbps</td><td style="width: 9.54368%; height: 18px; text-align: center;">1.33Gbps (20Gbps)</td><td style="width: 10.8842%; height: 18px; text-align: center;">1,77Gbps (~1Tbps)</td><td style="width: 9.39906%; height: 36px; text-align: center;" rowspan="2">~1.2Gbps</td><td style="width: 9.54362%; height: 36px; text-align: center;" rowspan="2">3.5Gbps</td><td style="width: 9.66579%; height: 36px; text-align: center;" rowspan="2">9.6Gbps</td><td style="width: 10.8794%; height: 36px; text-align: center;" rowspan="2">46Gbps</td><td style="width: 10.1982%; height: 36px; text-align: center;" rowspan="2">~35Mbps (국내 지상파 25Mbps)</td><td style="width: 9.41574%; height: 36px; text-align: center;" rowspan="2">100Mbps (국내 8K 로드맵X)</td></tr><tr style="height: 18px;"><td style="width: 29.8199%; height: 18px; text-align: center;" colspan="3">저대역 100MHz폭 기준</td></tr><tr style="height: 18px;"><td style="width: 6.80693%; height: 18px; text-align: center;">거리</td><td style="width: 29.8199%; height: 18px; text-align: center;" colspan="3">100m내외(지형 지물/주변 전자파 노이즈 시→전송속도 현격히 저하)</td><td style="width: 39.4879%; height: 18px; text-align: center;" colspan="4">10m내외(벽면-장애물 있을시 →전송속도 현격히 저하)</td><td style="width: 19.6139%; height: 18px; text-align: center;" colspan="2">~25km(산-건물 →난시청)</td></tr><tr style="height: 36px;"><td style="width: 6.80693%; height: 36px; text-align: center;">출력</td><td style="width: 29.8199%; height: 36px; text-align: center;" colspan="3">200~300㎽(0.0002KW~)</td><td style="width: 39.4879%; height: 36px; text-align: center;" colspan="4">가정용 10㎽(0.00001KW) 지하철 6E 250㎽(0.00025KW)</td><td style="width: 19.6139%; height: 36px; text-align: center;" colspan="2">1KW내외</td></tr><tr style="height: 36px;"><td style="width: 6.80693%; height: 36px; text-align: center;">주파수 대역</td><td style="width: 9.39198%; height: 36px; text-align: center;">800~900/ 1800MHz</td><td style="width: 9.54368%; height: 36px; text-align: center;">3.5GHz 28GHz X</td><td style="width: 10.8842%; height: 36px; text-align: center;">미정</td><td style="width: 9.39906%; height: 36px; text-align: center;">2.4/5GHz</td><td style="width: 9.54362%; height: 36px; text-align: center;">2.4/5GHz</td><td style="width: 9.66579%; height: 36px; text-align: center;">2.4/5/6GHz</td><td style="width: 10.8794%; height: 36px; text-align: center;">1~7.5GHz</td><td style="width: 10.1982%; height: 36px; text-align: center;">700MHz 대역</td><td style="width: 9.41574%; height: 36px; text-align: center;">700MHz 대역</td></tr><tr style="height: 36px;"><td style="width: 6.80693%; height: 36px; text-align: center;">주파수 사용폭</td><td style="width: 9.39198%; height: 36px; text-align: center;">통신사별 100Hz폭</td><td style="width: 9.54368%; height: 36px; text-align: center;">통신사별 100Hz폭</td><td style="width: 10.8842%; height: 36px; text-align: center;">미정</td><td style="width: 39.4879%; height: 36px; text-align: center;" colspan="4">500MHz폭~</td><td style="width: 10.1982%; height: 36px; text-align: center;">1ch당 6MHz폭</td><td style="width: 9.41574%; height: 36px; text-align: center;">1ch당 6MHz폭</td></tr><tr style="height: 10px;"><td style="width: 6.80693%; height: 46px; text-align: center;" rowspan="2">특징</td><td style="width: 9.39198%; height: 46px; text-align: center;" rowspan="2">OFDM 64QAM 4x4 MIMO</td><td style="width: 9.54368%; height: 10px; text-align: center;">OFDM 256QAM 4x4 MIMO</td><td style="width: 10.8842%; height: 10px; text-align: center;">OFDM 1024QAM 8x8 MIMO</td><td style="width: 9.39906%; height: 46px; text-align: center;" rowspan="2">OFDM 64QAM 4x4 MIMO</td><td style="width: 9.54362%; height: 46px; text-align: center;" rowspan="2">OFDM 256QAM 8x8 MIMO</td><td style="width: 9.66579%; height: 46px; text-align: center;" rowspan="2">OFDM 1024QAM 8x8 MIMO</td><td style="width: 10.8794%; height: 46px; text-align: center;" rowspan="2">OFDM 4096QAM 16x16 MIMO</td><td style="width: 10.1982%; height: 46px; text-align: center;" rowspan="2">OFDM 1024QAM SISO (1안테나)</td><td style="width: 9.41574%; height: 46px; text-align: center;" rowspan="2">OFDM 4096QAM 2x2 MIMO</td></tr><tr style="height: 36px;"><td style="width: 9.54368%; height: 36px; text-align: center;">1024QAM 8x8 MIMO</td><td style="width: 10.8842%; height: 36px; text-align: center;">4096QAM 16x16 MIMO</td></tr></tbody></table></div>▶무선 와이파이(Wi-Fi) 규격(버전)<div class="table-wrap"><table data-ke-type="table" data-ke-align="alignLeft" style="width: 53.0732%;" border="1"><tbody><tr><td style="width: 9.15935%; text-align: center;">명칭</td><td style="width: 9.78672%; text-align: center;">IEEE 규격</td><td style="width: 7.65368%; text-align: center;">상용화</td><td style="width: 11.2923%; text-align: center;">속도</td><td style="width: 14.931%; text-align: center;">사용 주파수</td></tr><tr><td style="width: 9.15935%; text-align: center;">Wi-Fi 8</td><td style="width: 9.78672%; text-align: center;">802.11bn</td><td style="width: 7.65368%; text-align: center;">2028</td><td style="width: 11.2923%; text-align: center;">~100Gbps</td><td style="width: 14.931%; text-align: center;">2.4/5/6/mmWav</td></tr><tr><td style="width: 9.15935%; text-align: center;">Wi-Fi 7</td><td style="width: 9.78672%; text-align: center;">802.11be</td><td style="width: 7.65368%; text-align: center;">2024</td><td style="width: 11.2923%; text-align: center;">~46Gbps</td><td style="width: 14.931%; text-align: center;">2.4/5/6</td></tr><tr><td style="width: 9.15935%; text-align: center;">Wi-Fi 6E</td><td style="width: 9.78672%; text-align: center;" rowspan="2">802.11ax</td><td style="width: 7.65368%; text-align: center;">2020</td><td style="width: 11.2923%; text-align: center;" rowspan="2">~10Gbps</td><td style="width: 14.931%; text-align: center;">6</td></tr><tr><td style="width: 9.15935%; text-align: center;">Wi-Fi 6</td><td style="width: 7.65368%; text-align: center;">2019</td><td style="width: 14.931%; text-align: center;">2.4/5</td></tr><tr><td style="width: 9.15935%; text-align: center;">Wi-Fi 5</td><td style="width: 9.78672%; text-align: center;">802.11ac</td><td style="width: 7.65368%; text-align: center;">2014</td><td style="width: 11.2923%; text-align: center;">~7Gbps</td><td style="width: 14.931%; text-align: center;">5</td></tr><tr><td style="width: 9.15935%; text-align: center;">Wi-Fi 4</td><td style="width: 9.78672%; text-align: center;">802.11n</td><td style="width: 7.65368%; text-align: center;">2008</td><td style="width: 11.2923%; text-align: center;">~600Mbps</td><td style="width: 14.931%; text-align: center;">2.4/5</td></tr><tr><td style="width: 9.15935%; text-align: center;">(Wi-Fi 3)</td><td style="width: 9.78672%; text-align: center;">802.11g</td><td style="width: 7.65368%; text-align: center;">2003</td><td style="width: 11.2923%; text-align: center;" rowspan="2">54Mbps</td><td style="width: 14.931%; text-align: center;">2.4</td></tr><tr><td style="width: 9.15935%; text-align: center;">(Wi-Fi 2)</td><td style="width: 9.78672%; text-align: center;">802.11a</td><td style="width: 7.65368%; text-align: center;">1999</td><td style="width: 14.931%; text-align: center;">5</td></tr><tr><td style="width: 9.15935%; text-align: center;">(Wi-Fi 1)</td><td style="width: 9.78672%; text-align: center;">802.11b</td><td style="width: 7.65368%; text-align: center;">1999</td><td style="width: 11.2923%; text-align: center;">~11Mbps</td><td style="width: 14.931%; text-align: center;">2.4</td></tr><tr><td style="width: 9.15935%; text-align: center;">(Wi-Fi 0)</td><td style="width: 9.78672%; text-align: center;">802.11</td><td style="width: 7.65368%; text-align: center;">1997</td><td style="width: 11.2923%; text-align: center;">~2Mbps</td><td style="width: 14.931%; text-align: center;">2.4</td></tr><tr><td style="width: 52.8231%; text-align: justify;" colspan="5">※Wi-Fi 0~3은, IEEE 규격 명을 사용하다가 일반 사용자들의 편의성을 위해 Wi-Fi 4~8 라는명칭을 사용하고 있다.</td></tr></tbody></table></div>▶유선 이더넷(Ethernet/LAN) 규격(버전)<div class="table-wrap"><table data-ke-type="table" data-ke-align="alignLeft" style="width: 40.4165%;" border="1"><tbody><tr><td style="width: 7.66378%; text-align: center;">명칭</td><td style="width: 14.3844%; text-align: center;">규격</td><td style="width: 10.0392%; text-align: center;">속도</td><td style="width: 10.1033%; text-align: center;">대역폭</td></tr><tr><td style="width: 7.66378%; text-align: center;">CAT 8</td><td style="width: 14.3844%; text-align: center;">40GBASE</td><td style="width: 10.0392%; text-align: center;">25Gbps</td><td style="width: 10.1033%; text-align: center;">2GHz</td></tr><tr><td style="width: 7.66378%; text-align: center;">CAT 7a</td><td style="width: 14.3844%; text-align: center;">10GBASE</td><td style="width: 10.0392%; text-align: center;">10Gbps</td><td style="width: 10.1033%; text-align: center;">1GHz</td></tr><tr><td style="width: 7.66378%; text-align: center;">CAT 7</td><td style="width: 14.3844%; text-align: center;">10GBASE</td><td style="width: 10.0392%; text-align: center;">10Gbps</td><td style="width: 10.1033%; text-align: center;">600MHz</td></tr><tr><td style="width: 7.66378%; text-align: center;">CAT 6a</td><td style="width: 14.3844%; text-align: center;">10GBASE</td><td style="width: 10.0392%; text-align: center;">10Gbps</td><td style="width: 10.1033%; text-align: center;">500MHz</td></tr><tr><td style="width: 7.66378%; text-align: center;">CAT 6e</td><td style="width: 14.3844%; text-align: center;">1000BASE-TX</td><td style="width: 10.0392%; text-align: center;">1Gbps</td><td style="width: 10.1033%; text-align: center;">500MHz</td></tr><tr><td style="width: 7.66378%; text-align: center;">CAT 6</td><td style="width: 14.3844%; text-align: center;">1000BASE-TX</td><td style="width: 10.0392%; text-align: center;">1Gbps</td><td style="width: 10.1033%; text-align: center;">250MHz</td></tr><tr><td style="width: 7.66378%; text-align: center;">CAT 5e</td><td style="width: 14.3844%; text-align: center;">100BASE-T</td><td style="width: 10.0392%; text-align: center;">1Gbps</td><td style="width: 10.1033%; text-align: center;">100MHz</td></tr><tr><td style="width: 7.66378%; text-align: center;">CAT 5</td><td style="width: 14.3844%; text-align: center;">100BASE-TX</td><td style="width: 10.0392%; text-align: center;">100Mbps</td><td style="width: 10.1033%; text-align: center;">100MHz</td></tr><tr><td style="width: 7.66378%; text-align: center;">CAT 4</td><td style="width: 14.3844%; text-align: center;">10BASE-T</td><td style="width: 10.0392%; text-align: center;">16Mbps</td><td style="width: 10.1033%; text-align: center;">20MHz</td></tr><tr><td style="width: 7.66378%; text-align: center;">CAT 3</td><td style="width: 14.3844%; text-align: center;">10BASE-T</td><td style="width: 10.0392%; text-align: center;">10Mbps</td><td style="width: 10.1033%; text-align: center;">16MHz</td></tr><tr><td style="width: 7.66378%; text-align: center;">CAT 2</td><td style="width: 14.3844%; text-align: center;">-</td><td style="width: 10.0392%; text-align: center;">4Mbps</td><td style="width: 10.1033%; text-align: center;">4MHz</td></tr><tr><td style="width: 7.66378%; text-align: center;">CAT 1</td><td style="width: 14.3844%; text-align: center;">-</td><td style="width: 10.0392%; text-align: center;">음성만</td><td style="width: 10.1033%; text-align: center;">1MHz</td></tr></tbody></table></div>▶블루투스(Bluetooth) 규격(버전)<div class="table-wrap"><table data-ke-type="table" data-ke-align="alignLeft" style="width: 63.6576%;" border="1"><tbody><tr><td style="width: 33.2496%; text-align: center;" colspan="3">버전-상용화-속도</td><td style="width: 30.2837%; text-align: center;" colspan="3">출력에 따른 전송 거리</td></tr><tr><td style="width: 15.1819%; text-align: center;">버전</td><td style="width: 7.52821%; text-align: center;">상용화</td><td style="width: 10.5395%; text-align: center;">속도</td><td style="width: 9.15934%; text-align: center;">CLASS</td><td style="width: 9.67472%; text-align: center;">최대 출력</td><td style="width: 11.4496%; text-align: center;">송수신 거리</td></tr><tr><td style="width: 15.1819%; text-align: center;">Bluetooth 5.4</td><td style="width: 7.52821%; text-align: center;">2023</td><td style="width: 10.5395%; text-align: center;" rowspan="5">50Mbps</td><td style="width: 9.15934%; text-align: center;">CLASS 1</td><td style="width: 9.67472%; text-align: center;">100mW</td><td style="width: 11.4496%; text-align: center;">100m</td></tr><tr><td style="width: 15.1819%; text-align: center;">Bluetooth 5.3</td><td style="width: 7.52821%; text-align: center;">2021</td><td style="width: 9.15934%; text-align: center;">CLASS 2</td><td style="width: 9.67472%; text-align: center;">2.5mW</td><td style="width: 11.4496%; text-align: center;">10m</td></tr><tr><td style="width: 15.1819%; text-align: center;">Bluetooth 5.2</td><td style="width: 7.52821%; text-align: center;">2020</td><td style="width: 9.15934%; text-align: center;">CLASS 3</td><td style="width: 9.67472%; text-align: center;">1.0mW</td><td style="width: 11.4496%; text-align: center;">1m</td></tr><tr><td style="width: 15.1819%; text-align: center;">Bluetooth 5.1</td><td style="width: 7.52821%; text-align: center;">2019</td><td style="width: 9.15934%; text-align: center;">CLASS 4</td><td style="width: 9.67472%; text-align: center;">0.5mW</td><td style="width: 11.4496%; text-align: center;">50cm</td></tr><tr><td style="width: 15.1819%; text-align: center;">Bluetooth 5</td><td style="width: 7.52821%; text-align: center;">2016</td><td style="width: 9.15934%; text-align: center;">-</td><td style="width: 9.67472%; text-align: center;">-</td><td style="width: 11.4496%; text-align: center;">-</td></tr><tr><td style="width: 15.1819%; text-align: center;">Bluetooth 4.2</td><td style="width: 7.52821%; text-align: center;">2014</td><td style="width: 10.5395%; text-align: center;" rowspan="2">25Mbps</td><td style="width: 9.15934%; text-align: center;" rowspan="9">-</td><td style="width: 9.67472%; text-align: center;" rowspan="9">-</td><td style="width: 11.4496%; text-align: center;" rowspan="9">-</td></tr><tr><td style="width: 15.1819%; text-align: center;">Bluetooth 4.1</td><td style="width: 7.52821%; text-align: center;">2013</td></tr><tr><td style="width: 15.1819%; text-align: center;">Bluetooth 4</td><td style="width: 7.52821%; text-align: center;">2010</td><td style="width: 10.5395%; text-align: center;">24Mbps</td></tr><tr><td style="width: 15.1819%; text-align: center;">Bluetooth 3+HS</td><td style="width: 7.52821%; text-align: center;">2009</td><td style="width: 10.5395%; text-align: center;">24Mbps</td></tr><tr><td style="width: 15.1819%; text-align: center;">Bluetooth 2.1</td><td style="width: 7.52821%; text-align: center;">2007</td><td style="width: 10.5395%; text-align: center;" rowspan="2">2.1Mbps</td></tr><tr><td style="width: 15.1819%; text-align: center;">Bluetooth 2</td><td style="width: 7.52821%; text-align: center;">2004</td></tr><tr><td style="width: 15.1819%; text-align: center;">Bluetooth 1.2</td><td style="width: 7.52821%; text-align: center;">2003</td><td style="width: 10.5395%; text-align: center;">1Mbps</td></tr><tr><td style="width: 15.1819%; text-align: center;">Bluetooth 1.1</td><td style="width: 7.52821%; text-align: center;">2001</td><td style="width: 10.5395%; text-align: center;">732.2Kbps</td></tr><tr><td style="width: 15.1819%; text-align: center;">Bluetooth 1.0B Bluetooth 1.0</td><td style="width: 7.52821%; text-align: center;">1999</td><td style="width: 10.5395%; text-align: center;">732.2Kbps</td></tr><tr><td style="width: 63.5333%; text-align: justify;" colspan="6">※블루투스는, 전송량이 많지 않은 휴대용 음향 기기나 각종 리모콘 등에 주로 사용이 되어, 최근엔 저 전력 블루투스가 많이 사용이 되고 있다.</td></tr></tbody></table></div>