{"id":16027,"date":"2025-08-04T12:23:00","date_gmt":"2025-08-04T19:23:00","guid":{"rendered":"https:\/\/www.lansitec.com\/?p=16027"},"modified":"2025-09-23T06:15:55","modified_gmt":"2025-09-23T13:15:55","slug":"bluetooth-low-energy-ble-a-complete-guide","status":"publish","type":"post","link":"https:\/\/www.lansitec.com\/ko\/blogs\/\ube14\ub8e8\ud22c\uc2a4-\uc800\uc5d0\ub108\uc9c0-ble-\uc644\uc804-\uac00\uc774\ub4dc\/","title":{"rendered":"Bluetooth Low Energy(BLE): \uc644\uc804 \uac00\uc774\ub4dc"},"content":{"rendered":"

BLE\ub294 Bluetooth Low Energy \uae30\uc220\uc774\ub77c\uace0\ub3c4 \ud558\uba70, 2006\ub144 \ub178\ud0a4\uc544\uc758 Wibree \uae30\uc220<\/a>. \uc774 \uae30\uc220\uc740 \ube14\ub8e8\ud22c\uc2a4 \uae30\uc220\uacfc \uc720\uc0ac\ud558\uc9c0\ub9cc \ube14\ub8e8\ud22c\uc2a4 \uae30\uc220\uc5d0 \ube44\ud574 \ubc30\ud130\ub9ac \uc18c\ubaa8\ub7c9\uc774 \ud6e8\uc52c \uc801\uc2b5\ub2c8\ub2e4. \uc774 \uae30\uc220\uc740 \ub098\uc911\uc5d0 \ube14\ub8e8\ud22c\uc2a4\uc5d0 \ud1b5\ud569\ub418\uc5b4 \ube14\ub8e8\ud22c\uc2a4 \uae30\ub2a5\uc758 \uc77c\ubd80\uac00 \ub418\uc5c8\uc2b5\ub2c8\ub2e4. \ube14\ub8e8\ud22c\uc2a4 4.0<\/a> 2010\ub144 SIG(\ud2b9\ubcc4\uc774\ud574\uadf8\ub8f9)\uc5d0\uc11c \ubc1c\ud45c\ud55c \uae30\uc220 \uc0ac\uc591.<\/p>\n\n\n\n

BLE \ud504\ub85c\ud1a0\ucf5c \uc2a4\ud0dd\uc740 \uc544\ub798 \uadf8\ub9bc\uacfc \uac19\uc2b5\ub2c8\ub2e4. BLE\ub294 \uae30\uc874 Bluetooth\uc640\ub294 \ub2e4\ub978 \ud504\ub85c\ud1a0\ucf5c \uc9d1\ud569\uc774\uba70, \ud574\ub2f9 \uc7a5\uce58\ub294 \ud558\uc704 \ud638\ud658\uc131\uc744 \uad6c\ud604\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n

\ub530\ub77c\uc11c Bluetooth Low Energy(BLE)\ub294 \uc138 \uac00\uc9c0 \uc7a5\uce58 \uc720\ud615\uc744 \uc9c0\uc6d0\ud569\ub2c8\ub2e4.<\/h2>\n\n\n\n

\ud074\ub798\uc2dd \ube14\ub8e8\ud22c\uc2a4 \uc7a5\uce58<\/h3>\n\n\n\n

\ud074\ub798\uc2dd \ube14\ub8e8\ud22c\uc2a4<\/a> \ube14\ub8e8\ud22c\uc2a4 \uae30\ubcf8 \uc18d\ub3c4\/\ud5a5\uc0c1\ub41c \ub370\uc774\ud130 \uc18d\ub3c4(BR\/EDR) \uc7a5\uce58: \uc77c\ubd80 \uad6c\ud615 \uc7a5\uce58 \ubc0f \uad6c\ud615 \ud734\ub300\ud3f0\uacfc \uac19\uc774 \uae30\uc874 \ube14\ub8e8\ud22c\uc2a4\ub9cc \uc9c0\uc6d0\ud558\ub294 \uc7a5\uce58. \ud074\ub798\uc2dd \ube14\ub8e8\ud22c\uc2a4<\/a> \ub370\uc774\ud130 \uc804\uc1a1\uc5d0\ub294 SPP(Serial Port Profile)\ub97c \uc0ac\uc6a9\ud569\ub2c8\ub2e4. SPP\ub294 RFCOMM \uc124\uc815\uc744 \uc0ac\uc6a9\ud558\uc5ec \ub450 \ud53c\uc5b4 \uc7a5\uce58 \uac04\uc758 \uc9c1\ub82c \ucf00\uc774\ube14 \uc5f0\uacb0\uc744 \uc5d0\ubbac\ub808\uc774\uc158\ud558\ub294 \ub370 \ud544\uc694\ud55c Bluetooth \uc7a5\uce58 \uc694\uad6c \uc0ac\ud56d\uc744 \uc815\uc758\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

Bluetooth Smart \uc9c0\uc6d0 \uc7a5\uce58<\/h3>\n\n\n\n

\uc54c\ub824\uc9c4 \ubc14\uc5d0 \ub530\ub974\uba74 \ube14\ub8e8\ud22c\uc2a4 4.0<\/a> \ub4c0\uc5bc \ubaa8\ub4dc, \ub458 \ub2e4 \uc9c0\uc6d0 \ud074\ub798\uc2dd \ube14\ub8e8\ud22c\uc2a4<\/a> BR\/EDR \ubc0f LE \ubaa8\ub4dc \uc7a5\uce58\ub294 iOS \ubc0f Android \uc2dc\uc2a4\ud15c\uacfc \uac19\uc740 \ucd5c\uc2e0 \ud734\ub300\ud3f0, \ub178\ud2b8\ubd81, \ud0dc\ube14\ub9bf \ucef4\ud4e8\ud130\uc5d0\uc11c \uc9c0\uc6d0\ub429\ub2c8\ub2e4. \ub4c0\uc5bc \ubaa8\ub4dc \ucee8\ud2b8\ub864\ub7ec\ub294 BR\/EDR \ucee8\ud2b8\ub864\ub7ec\uc640 LE \ucee8\ud2b8\ub864\ub7ec\ub97c \ubaa8\ub450 \ud1b5\ud569\ud558\uc5ec \ub450 \uac00\uc9c0 \ube14\ub8e8\ud22c\uc2a4 \ud504\ub85c\ud1a0\ucf5c\uc744 \uc9c0\uc6d0\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

Bluetooth \uc2a4\ub9c8\ud2b8 \uc7a5\uce58<\/h3>\n\n\n\n

BLE \ub2e8\uc77c \ubaa8\ub4dc\ub77c\uace0\ub3c4 \ud569\ub2c8\ub2e4. LE \ucee8\ud2b8\ub864\ub7ec\ub97c \uc0ac\uc6a9\ud558\uba70 LE \ubaa8\ub4dc \uae30\uae30\ub9cc \uc9c0\uc6d0\ud569\ub2c8\ub2e4. \ube44\ucf58 \uae30\uae30\ub294 \uc800\uc804\ub825 \ud504\ub85c\ud1a0\ucf5c(LE \uc800\uc804\ub825 \ud504\ub85c\ud1a0\ucf5c)\ub9cc \uc9c0\uc6d0\ud558\ubbc0\ub85c \ubc84\ud2bc\ud615 \ubc30\ud130\ub9ac\ub85c \uc7a5\uc2dc\uac04 \uc791\ub3d9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n

\ube14\ub8e8\ud22c\uc2a4 \uc800\uc5d0\ub108\uc9c0 \uae30\uc220\uc740 \ub3d9\uc77c\ud55c \uc2a4\ud399\ud2b8\ub7fc \ubc94\uc704(2.400~2.4835GHz ISM \ub300\uc5ed)\uc5d0\uc11c \uc791\ub3d9\ud569\ub2c8\ub2e4. \ud074\ub798\uc2dd \ube14\ub8e8\ud22c\uc2a4<\/a> \uae30\uc220\uc740 \uac19\uc9c0\ub9cc, \ub2e4\ub978 \ucc44\ub110\uc744 \uc0ac\uc6a9\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

\ub300\uc2e0\uc5d0 \ud074\ub798\uc2dd \ube14\ub8e8\ud22c\uc2a4<\/a> \ube14\ub8e8\ud22c\uc2a4 \uc800\uc5d0\ub108\uc9c0(Bluetooth Low Energy)\ub294 79\uac1c\uc758 1MHz \ucc44\ub110\uacfc 40\uac1c\uc758 2MHz \ucc44\ub110\uc744 \uc0ac\uc6a9\ud569\ub2c8\ub2e4. \ube44\ud2b8 \uc804\uc1a1\ub960\uc740 1 \ub610\ub294 2Mbit\/s\uc785\ub2c8\ub2e4. \uad11\uace0 \ubc0f \uc218\uc2e0 \ucc44\ub110\uc740 37, 38, 39\ubc88\uc785\ub2c8\ub2e4. <\/p>\n\n\n\n

Bluetooth BR\/EDR \ub300 Bluetooth LE<\/h3>\n\n\n\n
\ud2b9\uc9d5<\/strong><\/th>\ube14\ub8e8\ud22c\uc2a4 BR\/EDR<\/strong><\/th>\ube14\ub8e8\ud22c\uc2a4 LE<\/strong><\/th><\/tr><\/thead>
\uc8fc\ud30c\uc218 \ub300\uc5ed<\/strong><\/td>ISM 2.4000GHz ~ 2.4835GHz<\/td>ISM 2.4000GHz ~ 2.4835GHz<\/td><\/tr>
\ucc44\ub110<\/strong><\/td>79\uac1c \ucc44\ub110<\/td>40\uac1c \ucc44\ub110(\ub370\uc774\ud130 37\uac1c + \uad11\uace0 3\uac1c)<\/td><\/tr>
\ucc44\ub110 \ub300\uc5ed\ud3ed<\/strong><\/td>1MHz<\/td>2MHz<\/td><\/tr>
\ud655\uc0b0 \uc2a4\ud399\ud2b8\ub7fc<\/strong><\/td>1600\ud649\/\ucd08 \uc8fc\ud30c\uc218 \ud638\ud551 \ud655\uc0b0 \uc2a4\ud399\ud2b8\ub7fc(FHSS)<\/td>FHSS<\/td><\/tr>
\ubcc0\uc870 \ubc29\uc2dd<\/strong><\/td>GFSK, DQPSK, DPSK<\/td>GFSK<\/td><\/tr>
\uc804\ub825 \uc0ac\uc6a9\ub7c9<\/strong><\/td>1W<\/td>~0.001W ~ 0.1W (\uac04\uaca9\uc5d0 \ub530\ub77c \ub2e4\ub984)<\/td><\/tr>
\ub370\uc774\ud130 \uc18d\ub3c4<\/strong><\/td>\u2013 BR PHY(GFSK): 1Mb\/s \u2013 EDR PHY(DQPSK): 2Mb\/s \u2013 EDR PHY(DPSK): 3Mb\/s<\/td>\u2013 LE \ucf54\ub529 PHY(S=8): 125Kb\/s \u2013 LE \ucf54\ub529 PHY(S=2): 500Kb\/s \u2013 LE 1M PHY: 1Mb\/s \u2013 LE 2M PHY: 2Mb\/s<\/td><\/tr>
\uc7a5\uce58 \uac80\uc0c9<\/strong><\/td>\ubb38\uc758 \ub610\ub294 \ud398\uc774\uc9d5<\/td>\uad11\uace0<\/td><\/tr>
\uae30\uae30 \uc8fc\uc18c \uac1c\uc778 \uc815\ubcf4 \ubcf4\ud638<\/strong><\/td>\uc5c6\uc74c<\/td>\uac1c\uc778 \uc7a5\uce58 \uc8fc\uc18c \uc9c0\uc815 \uc9c0\uc6d0<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Bluetooth BR\/EDR \ub300 Bluetooth LE \u2013 \uc560\ud50c\ub9ac\ucf00\uc774\uc158 \ube44\uad50<\/h3>\n\n\n\n
\uc801\uc6a9 \ubd84\uc57c<\/strong><\/th>\ube14\ub8e8\ud22c\uc2a4 BR\/EDR<\/strong><\/th>\ube14\ub8e8\ud22c\uc2a4 LE<\/strong><\/th><\/tr><\/thead>
\ub124\ud2b8\uc6cc\ud06c \ud1a0\ud3f4\ub85c\uc9c0<\/strong><\/td>\ud53c\uc5b4 \ud22c \ud53c\uc5b4<\/td>\ud53c\uc5b4 \ud22c \ud53c\uc5b4, \ube0c\ub85c\ub4dc\uce90\uc2a4\ud2b8, \uba54\uc2dc<\/td><\/tr>
\uc624\ub514\uc624 \uc560\ud50c\ub9ac\ucf00\uc774\uc158<\/strong> (\ud5e4\ub4dc\uc14b, \uc2dc\uacc4, \uc2a4\ud53c\ucee4)<\/td>\uc9c0\uc6d0\ub428<\/td>\uc9c0\uc6d0\ub428<\/td><\/tr>
\uc704\uce58 \ubc0f \ubc29\ud5a5 \ucc3e\uae30<\/strong>1. \uc790\uc0b0 \ubc0f \uc0ac\ub78c \ucd94\uc801 2. \uc2e4\ub0b4 \ub0b4\ube44\uac8c\uc774\uc158 3. \ube44\ucf58 \uae30\ubc18 \uc11c\ube44\uc2a4<\/td>\uc9c0\uc6d0\ub418\uc9c0 \uc54a\uc74c<\/td>\uc9c0\uc6d0\ub428<\/td><\/tr>
\ub370\uc774\ud130 \uc804\uc1a1 \uc560\ud50c\ub9ac\ucf00\uc774\uc158<\/strong>\u2022 \ub514\uc2a4\ud50c\ub808\uc774 \uc7a5\uce58: E-ink\u2022 \uc758\ub8cc\/\uac74\uac15: \uc2ec\ubc15\uc218 \ubaa8\ub2c8\ud130\u2022 \uc2a4\ud3ec\uce20\/\ud53c\ud2b8\ub2c8\uc2a4: \uac78\uc74c \uc218 \uce21\uc815\uae30, \uc2dc\uacc4<\/td>\uc9c0\uc6d0\ub418\uc9c0 \uc54a\uc74c<\/td>\uc9c0\uc6d0\ub428<\/td><\/tr>
\uc7a5\uce58 \ub124\ud2b8\uc6cc\ud06c \uc560\ud50c\ub9ac\ucf00\uc774\uc158<\/strong>\u2022 \uc13c\uc11c<\/a>: \uc628\ub3c4, \uc555\ub825, \uc561\uccb4 \ub808\ubca8\u2022 \ubaa8\ub2c8\ud130\ub9c1 \uc2dc\uc2a4\ud15c: \ud0c0\uc774\uc5b4 \uc555\ub825\u2022 \uc6d0\uaca9 \uc81c\uc5b4 \uc7a5\uce58<\/td>\uc9c0\uc6d0\ub418\uc9c0 \uc54a\uc74c<\/td>\uc9c0\uc6d0\ub428<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\ucc38\uace0 1. \ucc44\ub110 37, 38, 39\ub294 1\ucc28 \uad11\uace0 \ucc44\ub110\uc774\ub77c\uace0 \ud569\ub2c8\ub2e4. \ub098\uba38\uc9c0 37\uac1c \ucc44\ub110\uc740 2\ucc28 \uad11\uace0\uc640 \uc5f0\uacb0\uc774 \uad6c\ucd95\ub41c \ud6c4\uc758 \ub370\uc774\ud130 \uc804\uc1a1\uc744 \uc704\ud55c \uac83\uc785\ub2c8\ub2e4.<\/em><\/p>\n\n\n\n

\"\uc8fc\ud30c\uc218<\/figure>\n\n\n\n

\ubc31\uc11c \uc0b4\ud3b4\ubcf4\uae30: Bluetooth \uae30\uc220 \ubc0f \uc77c\ubc18 \uc6a9\uc5b4 \uc18c\uac1c<\/a>.<\/p>\n\n\n

<\/a>
\"\"<\/div><\/div>
\ube14\ub8e8\ud22c\uc2a4 \uac70\ub9ac, BLE \ube0c\ub9ac\uc9c0 - iBeacon\uc774\ub780 \ubb34\uc5c7\uc778\uac00, \ube44\ucf58\uc758 \ubc94\uc704 - Lansitec<\/div>
\uc758 \ud798\uc744 \ubc1c\uacac\ud558\uc138\uc694 \ube44\ucf58 \uae30\uc220<\/a> \ub2e4\uc591\ud55c Bluetooth \ube0c\ub9ac\uc9c0 \uc81c\ud488\uad70\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4. \uc720\uc775\ud55c \ubc31\uc11c\uc5d0\uc11c Bluetooth vs. BLE, iBeacon \ub4f1\uc5d0 \ub300\ud574 \uc790\uc138\ud788 \uc54c\uc544\ubcf4\uc138\uc694.<\/div><\/div><\/div>","protected":false},"excerpt":{"rendered":"

BLE(Bluetooth Low Energy) \uae30\uc220\uc740 2006\ub144 \ub178\ud0a4\uc544\uc758 Wibree \uae30\uc220\uc5d0\uc11c \uc2dc\uc791\ub418\uc5c8\uc2b5\ub2c8\ub2e4. \uc774 \uae30\uc220\uc740 \ube14\ub8e8\ud22c\uc2a4 \uae30\uc220\uacfc \uc720\uc0ac\ud558\uc9c0\ub9cc \ube14\ub8e8\ud22c\uc2a4 \uae30\uc220\uc5d0 \ube44\ud574 \ubc30\ud130\ub9ac \uc18c\ubaa8\ub7c9\uc774 \ud6e8\uc52c \uc801\uc2b5\ub2c8\ub2e4. \uc774\ud6c4 BLE \uae30\uc220\uc740 \ube14\ub8e8\ud22c\uc2a4\uc5d0 \ud1b5\ud569\ub418\uc5b4 SIG\uc5d0\uc11c \ubc1c\ud45c\ud55c \ube14\ub8e8\ud22c\uc2a4 4.0 \uae30\uc220 \uc0ac\uc591\uc758 \uc77c\ubd80\uac00 \ub418\uc5c8\uc2b5\ub2c8\ub2e4. \ub354 \ubcf4\uae30 \u00bbBluetooth Low Energy(BLE): \uc644\uc804 \uac00\uc774\ub4dc<\/span><\/a><\/p>","protected":false},"author":1,"featured_media":16127,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"neve_meta_sidebar":"","neve_meta_container":"","neve_meta_enable_content_width":"","neve_meta_content_width":0,"neve_meta_title_alignment":"","neve_meta_author_avatar":"","neve_post_elements_order":"","neve_meta_disable_header":"","neve_meta_disable_footer":"","neve_meta_disable_title":"","footnotes":""},"categories":[268],"tags":[33,34,87],"class_list":["post-16027","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-iot-faqs","tag-bluetooth-iot-technology","tag-bluetooth-technology","tag-whitepaper-bluetooth-technology"],"_links":{"self":[{"href":"https:\/\/www.lansitec.com\/ko\/wp-json\/wp\/v2\/posts\/16027","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.lansitec.com\/ko\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.lansitec.com\/ko\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.lansitec.com\/ko\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.lansitec.com\/ko\/wp-json\/wp\/v2\/comments?post=16027"}],"version-history":[{"count":0,"href":"https:\/\/www.lansitec.com\/ko\/wp-json\/wp\/v2\/posts\/16027\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.lansitec.com\/ko\/wp-json\/wp\/v2\/media\/16127"}],"wp:attachment":[{"href":"https:\/\/www.lansitec.com\/ko\/wp-json\/wp\/v2\/media?parent=16027"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lansitec.com\/ko\/wp-json\/wp\/v2\/categories?post=16027"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lansitec.com\/ko\/wp-json\/wp\/v2\/tags?post=16027"}],"curies":[{"name":"\uc6cc\ub4dc\ud504\ub808\uc2a4","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}