{"id":12342,"date":"2026-02-13T21:15:36","date_gmt":"2026-02-13T21:15:36","guid":{"rendered":"https:\/\/howtogeek.blog\/ja\/?p=12342"},"modified":"2026-02-13T21:15:36","modified_gmt":"2026-02-13T21:15:36","slug":"wi-fi%e3%82%922-4ghz%e3%81%8b%e3%82%895ghz%e3%81%ab%e5%88%87%e3%82%8a%e6%9b%bf%e3%81%88%e3%82%8b%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/howtogeek.blog\/ja\/wi-fi%e3%82%922-4ghz%e3%81%8b%e3%82%895ghz%e3%81%ab%e5%88%87%e3%82%8a%e6%9b%bf%e3%81%88%e3%82%8b%e6%96%b9%e6%b3%95\/","title":{"rendered":"Wi-Fi\u30922.4GHz\u304b\u30895GHz\u306b\u5207\u308a\u66ff\u3048\u308b\u65b9\u6cd5"},"content":{"rendered":"<h2>Wi-Fi\u30925GHz\u306b\u6700\u9069\u5316\u3059\u308b\u65b9\u6cd5\u3001\u307e\u305f\u306f5GHz\u304c\u8868\u793a\u3055\u308c\u306a\u3044\u554f\u984c\u3092\u89e3\u6c7a\u3059\u308b\u65b9\u6cd5<\/h2>\n<p> 5GHz Wi-Fi\u306e\u901f\u5ea6\u5411\u4e0a\u306f\u3001\u7279\u306b\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u30d7\u30e9\u30f3\u3067\u30ae\u30ac\u30d3\u30c3\u30c8\u901f\u5ea6\u3092\u8b33\u3063\u3066\u3044\u3066\u30012.4GHz\u5e2f\u306e\u6df7\u96d1\u306b\u3046\u3093\u3056\u308a\u3057\u3066\u3044\u308b\u4eba\u306b\u3068\u3063\u3066\u306f\u3001\u5287\u7684\u306a\u5909\u5316\u3092\u3082\u305f\u3089\u3059\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u3057\u304b\u3057\u3001\u6b63\u76f4\u306b\u8a00\u3046\u3068\u30015GHz\u3078\u306e\u5207\u308a\u66ff\u3048\u306f\u5fc5\u305a\u3057\u3082\u30b9\u30a4\u30c3\u30c1\u3092\u5165\u308c\u308b\u307b\u3069\u7c21\u5358\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u30eb\u30fc\u30bf\u30fc\u304c5GHz\u5e2f\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u308b\u306b\u3082\u304b\u304b\u308f\u3089\u305a\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u304c\u8868\u793a\u3055\u308c\u306a\u304b\u3063\u305f\u308a\u3001\u30c7\u30d0\u30a4\u30b9\u304c\u63a5\u7d9a\u3092\u62d2\u5426\u3057\u305f\u308a\u3059\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u3042\u306a\u305f\u3082\u7d4c\u9a13\u3057\u305f\u3053\u3068\u304c\u3042\u308b\u3067\u3057\u3087\u3046\u3002\u901a\u5e38\u3001\u4e92\u63db\u6027\u306e\u554f\u984c\u3001\u8a2d\u5b9a\u3001\u305d\u3057\u3066\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u306e\u624b\u9593\u304c\u8907\u96d1\u306b\u7d61\u307f\u5408\u3063\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u30ac\u30a4\u30c9\u306f\u3001\u3053\u3046\u3057\u305f\u7591\u554f\u3092\u89e3\u6d88\u3057\u3001\u5feb\u9069\u3067\u9ad8\u901f\u306a5GHz\u63a5\u7d9a\u3092\u3059\u3050\u306b\u4f7f\u3044\u59cb\u3081\u308b\u306e\u306b\u5f79\u7acb\u3064\u306f\u305a\u3067\u3059\u3002\u307e\u305a\u3001\u30c7\u30d0\u30a4\u30b9\u3068\u30eb\u30fc\u30bf\u30fc\u304c5GHz\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002\u78ba\u8a8d\u3067\u304d\u306a\u3051\u308c\u3070\u3001\u3053\u306e\u3059\u3079\u3066\u306e\u52aa\u529b\u306f\u7121\u99c4\u306b\u306a\u3063\u3066\u3057\u307e\u3044\u307e\u3059\u3002\u6b21\u306b\u3001\u8a2d\u5b9a\u3092\u5fae\u8abf\u6574\u3059\u308b\u5834\u6240\u3001\u30c7\u30d0\u30a4\u30b9\u30925GHz\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u512a\u5148\u3055\u305b\u308b\u65b9\u6cd5\u3001\u305d\u3057\u3066\u4f55\u3082\u8868\u793a\u3055\u308c\u306a\u3044\u5834\u5408\u306e\u5bfe\u51e6\u6cd5\u3092\u7406\u89e3\u3057\u307e\u3057\u3087\u3046\u3002\u6717\u5831\u3067\u3059\u3002\u5c11\u3057\u8f9b\u200b\u200b\u62b1\u3059\u308c\u3070\u3001\u304a\u305d\u3089\u304f\u4ee5\u524d\u306e2.4GHz\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u304c\u9045\u304f\u611f\u3058\u3066\u3044\u305f\u901f\u5ea6\u3092\u306f\u308b\u304b\u306b\u4e0a\u56de\u308b\u901f\u5ea6\u304c\u5f97\u3089\u308c\u308b\u3067\u3057\u3087\u3046\u3002\u3042\u308b\u3044\u306f\u5c11\u306a\u304f\u3068\u3082\u3001\u3082\u3046\u3046\u307e\u304f\u6f14\u594f\u3067\u304d\u3066\u3044\u306a\u3044\u30d0\u30f3\u30c9\u306b\u7e1b\u3089\u308c\u308b\u3053\u3068\u306f\u306a\u304f\u306a\u308b\u3067\u3057\u3087\u3046\u3002 <\/p>\n<h2>Windows\u3068Mac\u3067Wi-Fi\u30922.4GHz\u304b\u30895GHz\u306b\u5207\u308a\u66ff\u3048\u308b\u65b9\u6cd5<\/h2>\n<h3>\u65b9\u6cd51: \u30eb\u30fc\u30bf\u30fc\u304c5GHz\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u308b\u304b\u3069\u3046\u304b\u3092\u78ba\u8a8d\u3057\u3001\u30aa\u30f3\u306b\u3059\u308b<\/h3>\n<p> \u5f53\u305f\u308a\u524d\u306e\u3053\u3068\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u304c\u3001\u30eb\u30fc\u30bf\u30fc\u304c5GHz\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u30d6\u30ed\u30fc\u30c9\u30ad\u30e3\u30b9\u30c8\u3057\u3066\u3044\u306a\u3044\u5834\u5408\u306f\u3001\u4ed6\u306b\u554f\u984c\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u901a\u5e38\u3001\u30eb\u30fc\u30bf\u30fc\u306e\u80cc\u9762\u307e\u305f\u306f\u5e95\u9762\u306b\u30e9\u30d9\u30eb\u3084\u30de\u30cb\u30e5\u30a2\u30eb\u304c\u8a18\u8f09\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u30c7\u30e5\u30a2\u30eb\u30d0\u30f3\u30c9\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u308b\u5834\u5408\u306f\u3001\u300cMyWiFi-2.4\u300d\u3084\u300cMyWiFi-5\u300d\u306e\u3088\u3046\u306b\u3001\u5225\u3005\u306eSSID\uff08\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u540d\uff09\u304c\u8868\u793a\u3055\u308c\u3066\u3044\u308b\u306f\u305a\u3067\u3059\u3002\u305d\u3046\u3067\u306a\u3044\u5834\u5408\u306f\u3001\u30eb\u30fc\u30bf\u30fc\u306e\u30a2\u30c3\u30d7\u30b0\u30ec\u30fc\u30c9\u304c\u552f\u4e00\u306e\u89e3\u6c7a\u7b56\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002\u5bfe\u5fdc\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u305f\u3089\u3001\u30eb\u30fc\u30bf\u30fc\u306e\u7ba1\u7406\u30da\u30fc\u30b8\u306b\u30a2\u30af\u30bb\u30b9\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u901a\u5e38\u306f\u3001\u30d6\u30e9\u30a6\u30b6\u306b\u300c<strong>192.168.0.1<\/strong>\u300d\u307e\u305f\u306f\u300c<strong>192.168.1.1<\/strong>\u300d\u3068\u5165\u529b\u3057\u3001\u8a8d\u8a3c\u60c5\u5831\uff08\u5909\u66f4\u3057\u3066\u3044\u306a\u3044\u9650\u308a\u3001\u30c7\u30d5\u30a9\u30eb\u30c8\u306fadmin\/admin\u307e\u305f\u306fadmin\/password\u3067\u3059\uff09\u3067\u30ed\u30b0\u30a4\u30f3\u3057\u307e\u3059\u3002\u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\u304b\u3089IP\u30a2\u30c9\u30ec\u30b9\u3092\u78ba\u8a8d\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002Windows\u3067\u306f\u3001\u300c` <kbd>Windows + R<\/kbd>`\u300d\u3067<strong>\u30d5\u30a1\u30a4\u30eb\u540d\u3092\u6307\u5b9a\u3057\u3066\u5b9f\u884c<\/strong>\u30c0\u30a4\u30a2\u30ed\u30b0\u3092\u958b\u304d\u3001\u300c&#8220; \u300d\u3068\u5165\u529b\u3057<code>cmd<\/code>\u3066\u300c` <code>ipconfig \/all<\/code>`\u300d\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002<strong>\u30c7\u30d5\u30a9\u30eb\u30c8\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4<\/strong>\u30d5\u30a3\u30fc\u30eb\u30c9\u304c\u30eb\u30fc\u30bf\u30fc\u306eIP\u30a2\u30c9\u30ec\u30b9\u3067\u3059\u3002 &#8211; Mac \u3067\u306f\u3001<strong>Wi-Fi<\/strong> \u30a2\u30a4\u30b3\u30f3\u3092\u30af\u30ea\u30c3\u30af\u3057\u3001<strong>Option\/Alt<\/strong> \u30ad\u30fc\u3092\u62bc\u3057\u306a\u304c\u3089 <strong>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u74b0\u5883\u8a2d\u5b9a\u3092\u958b\u304f<\/strong> \u3092\u9078\u629e\u3057\u307e\u3059\u3002\u30eb\u30fc\u30bf\u30fc\u306e\u30a2\u30c9\u30ec\u30b9\u306f <strong>\u30eb\u30fc\u30bf\u30fc\u30a2\u30c9\u30ec\u30b9<\/strong> \u306e\u4e0b\u306b\u8868\u793a\u3055\u308c\u307e\u3059\u3002\u30eb\u30fc\u30bf\u30fc\u306e\u8a2d\u5b9a\u306b\u5165\u3063\u305f\u3089\u3001<strong>\u30ef\u30a4\u30e4\u30ec\u30b9<\/strong>\u3001<strong>\u30ef\u30a4\u30e4\u30ec\u30b9\u8a2d\u5b9a<\/strong>\u3001<strong>\u30ef\u30a4\u30e4\u30ec\u30b9\u306e\u8a73\u7d30<\/strong> \u306a\u3069\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u306b\u79fb\u52d5\u3057\u307e\u3059\u3002\u30d0\u30f3\u30c9\u3092\u5207\u308a\u66ff\u3048\u305f\u308a\u30015GHz \u30d0\u30f3\u30c9\u3092\u7279\u306b\u6709\u52b9\u306b\u3057\u305f\u308a\u3059\u308b\u305f\u3081\u306e\u30c8\u30b0\u30eb\u307e\u305f\u306f\u30c9\u30ed\u30c3\u30d7\u30c0\u30a6\u30f3\u3092\u63a2\u3057\u307e\u3059\u3002\u300c5GHz \u3092\u6709\u52b9\u306b\u3059\u308b\u300d\u307e\u305f\u306f\u300cSSID \u3092\u5206\u96e2\u300d\u3068\u547c\u3070\u308c\u308b\u5834\u5408\u3082\u3042\u308a\u307e\u3059\u3002\u305d\u308c\u3092\u30aa\u30f3\u306b\u3057\u3066\u30015GHz \u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u9078\u629e\u3057\u3001<strong>\u9069\u7528<\/strong> \u3092\u62bc\u3057\u307e\u3059\u3002\u3053\u308c\u3067\u5b8c\u4e86\u3067\u3059\u3002\u30eb\u30fc\u30bf\u30fc\u306f 2.4 \u3068\u306f\u5225\u306b 5GHz \u4fe1\u53f7\u306e\u30d6\u30ed\u30fc\u30c9\u30ad\u30e3\u30b9\u30c8\u3092\u958b\u59cb\u3057\u307e\u3059\u3002\u3053\u308c\u3067\u3001\u30c7\u30d0\u30a4\u30b9\u306b\u65b0\u3057\u3044\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u304c\u30ea\u30b9\u30c8\u3055\u308c\u308b\u306f\u305a\u3067\u3059\u3002\u901a\u5e38\u3069\u304a\u308a\u30d1\u30b9\u30ef\u30fc\u30c9\u3092\u4f7f\u7528\u3057\u3066\u63a5\u7d9a\u3057\u307e\u3059\u3002\u901f\u5ea6\u304c\u901f\u304f\u306a\u308a\u3001\u6df7\u96d1\u304c\u5c11\u306a\u304f\u306a\u308b\u3053\u3068\u304c\u671f\u5f85\u3067\u304d\u307e\u3059\u304c\u3001\u7bc4\u56f2\u304c 2.4 \u307b\u3069\u826f\u597d\u3067\u306a\u304f\u3066\u3082\u9a5a\u304b\u306a\u3044\u3067\u304f\u3060\u3055\u3044\u3002\u307e\u305f\u3001\u30eb\u30fc\u30bf\u30fc\u304c\u30d0\u30f3\u30c9\u3092 1 \u3064\u306e SSID \u306b\u7d50\u5408\u3057\u3066\u3044\u308b\u5834\u5408\u306f\u3001\u30c7\u30d0\u30a4\u30b9\u304c\u81ea\u52d5\u7684\u306b\u5207\u308a\u66ff\u308f\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u5834\u5408\u306b\u3088\u3063\u3066\u306f\u3001\u30c7\u30d0\u30a4\u30b9\u3092\u512a\u5148\u30d0\u30f3\u30c9\u306b\u5f37\u5236\u7684\u306b\u9069\u7528\u3059\u308b\u306e\u306f\u96e3\u3057\u3044\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002 <\/p>\n<h3>\u65b9\u6cd52: \u30c7\u30d0\u30a4\u30b9\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u8a2d\u5b9a\u30925GHz\u512a\u5148\u306b\u5207\u308a\u66ff\u3048\u308b<\/h3>\n<p> \u3053\u308c\u306f\u3001\u30c7\u30d0\u30a4\u30b9\u304c\u300c\u81ea\u52d5\u300d\u306b\u306a\u3063\u3066\u3044\u308b\u306b\u3082\u304b\u304b\u308f\u3089\u305a\u3001\u9811\u56fa\u306b 2.4 \u306e\u307e\u307e\u306b\u306a\u3063\u3066\u3044\u308b\u305f\u3081\u306b\u3001\u307b\u3068\u3093\u3069\u306e\u4eba\u304c\u884c\u304d\u8a70\u307e\u308b\u3068\u3053\u308d\u3067\u3059\u3002\u3053\u308c\u3092\u4fee\u6b63\u3057\u307e\u3057\u3087\u3046\u3002 <strong>Windows \u306e\u5834\u5408:<\/strong> &#8211; ` <strong>Win + R<\/strong> ` \u3092\u62bc\u3057\u3066 ` <code>devmgmt.msc<\/code>` \u3068\u5165\u529b\u3057\u3001Enter \u30ad\u30fc\u3092\u62bc\u3057\u307e\u3059\u3002 &#8211; <strong>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af \u30a2\u30c0\u30d7\u30bf\u30fc<\/strong> \u3092\u5c55\u958b\u3057\u307e\u3059\u3002 &#8211; Wi-Fi \u30a2\u30c0\u30d7\u30bf\u30fc\u3092\u898b\u3064\u3051\u3066\u53f3\u30af\u30ea\u30c3\u30af\u3057\u3001<strong>\u30d7\u30ed\u30d1\u30c6\u30a3<\/strong> \u306b\u79fb\u52d5\u3057\u307e\u3059\u3002 &#8211; <strong>\u8a73\u7d30<\/strong> \u30bf\u30d6\u306b\u5207\u308a\u66ff\u3048\u307e\u3059\u3002 &#8211; <strong>\u512a\u5148\u3059\u308b\u5e2f\u57df<\/strong> (\u307e\u305f\u306f\u540c\u69d8\u306e\u9805\u76ee) \u3092\u898b\u3064\u3051\u3066\u9078\u629e\u3057\u307e\u3059\u3002<strong>220<\/strong> \u307e\u305f\u306f <strong>VHT 2.4G<\/strong> \u304c\u8868\u793a\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u306f\u3001\u305d\u308c\u304c 2.4GHz \u8a2d\u5b9a\u3067\u3059\u3002\u3053\u308c\u3092 <strong>5GHz \u3092\u512a\u5148<\/strong> \u306a\u3069\u306b\u5909\u66f4\u3057\u307e\u3059\u3002 &#8211; <strong>802.11ac<\/strong> \u3084 <strong>ax<\/strong> \u30b5\u30dd\u30fc\u30c8\u306a\u3069\u306e\u30aa\u30d7\u30b7\u30e7\u30f3\u304c\u3042\u308b\u5834\u5408\u306f\u3001\u305d\u308c\u3089\u304c\u6709\u52b9\u306b\u306a\u3063\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b\u3053\u3068\u3082\u91cd\u8981\u3067\u3059\u3002 <strong>Mac \u306e\u5834\u5408:<\/strong> &#8211; <strong>\u30b7\u30b9\u30c6\u30e0\u74b0\u5883\u8a2d\u5b9a &gt; \u30cd\u30c3\u30c8\u30ef\u30fc\u30af<\/strong> \u306b\u79fb\u52d5\u3057\u307e\u3059\u3002 &#8211; <strong>\u8a73\u7d30<\/strong> \u3092\u30af\u30ea\u30c3\u30af\u3057\u307e\u3059\u3002 &#8211; 5GHz\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u300c\u512a\u5148\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u300d\u30ea\u30b9\u30c8\u306e\u4e00\u756a\u4e0a\u306b\u30c9\u30e9\u30c3\u30b0\u3057\u307e\u3059\u3002Mac\u304c5GHz\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u308b\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u96a3\u306b5GHz\u5e2f\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u304c\u3042\u308c\u3070\u3001\u63a5\u7d9a\u901f\u5ea6\u304c\u901f\u304f\u306a\u3063\u305f\u308a\u3001\u63a5\u7d9a\u304c\u9577\u304f\u306a\u3063\u305f\u308a\u3057\u307e\u3059\u3002*\u6ce8:* Mac\u3067\u306f\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30ea\u30b9\u30c8\u304c\u9375\u3068\u306a\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002\u63a5\u7d9a\u3092\u7dad\u6301\u3057\u305f\u3044\u5834\u5408\u306f\u30015GHz\u5e2f\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u512a\u5148\u3057\u30012.4GHz\u5e2f\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306f\u7121\u8996\u3057\u3066\u304f\u3060\u3055\u3044\u3002 <\/p>\n<h3>\u65b9\u6cd53: \u30c7\u30d0\u30a4\u30b9\u304c5GHz\u3092\u4f7f\u7528\u3067\u304d\u308b\u304b\u3069\u3046\u304b\u3092\u78ba\u8a8d\u3059\u308b<\/h3>\n<p> \u3059\u3079\u3066\u306e\u30ce\u30fc\u30c8\u30d1\u30bd\u30b3\u30f3\u3084\u30b9\u30de\u30fc\u30c8\u30d5\u30a9\u30f3\u304c\u540c\u3058\u3088\u3046\u306b\u4f5c\u3089\u308c\u3066\u3044\u308b\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3057\u306a\u3044\u3068\u4e92\u63db\u6027\u304c\u306a\u3044\u5834\u5408\u3082\u3042\u308a\u307e\u3059\u3002<strong>Windows\u306e\u5834\u5408:<\/strong> \u30b3\u30de\u30f3\u30c9\u30d7\u30ed\u30f3\u30d7\u30c8\uff08` <code>Win + R<\/code>`\u3001\u6b21\u306b` <code>cmd<\/code>`\uff09\u3092\u958b\u304d\u3001\u4ee5\u4e0b\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002 <\/p>\n<pre><code>netsh wlan show drivers<\/code><\/pre>\n<p> <strong>\u30b5\u30dd\u30fc\u30c8\u3055\u308c\u3066\u3044\u308b\u7121\u7dda\u306e\u7a2e\u985e<\/strong> \u306e\u884c\u307e\u3067\u30b9\u30af\u30ed\u30fc\u30eb\u3057\u307e\u3059\u3002` <strong>802.11a<\/strong> `\u3001` <strong>ax<\/strong> `\u3001` <strong>ac<\/strong> ` \u306a\u3069\u304c\u8868\u793a\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u3001\u30c7\u30d0\u30a4\u30b9\u306f\u304a\u305d\u3089\u304f 5GHz \u3092\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002802.11g\/b\/n \u306e\u307f\u304c\u8868\u793a\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u306f\u30012.4GHz \u306e\u307f\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u307e\u3059\u3002<strong>Mac \u306e\u5834\u5408:<\/strong> <strong>Apple \u30a2\u30a4\u30b3\u30f3 &gt; \u3053\u306e Mac \u306b\u3064\u3044\u3066 &gt; \u30b7\u30b9\u30c6\u30e0\u30ec\u30dd\u30fc\u30c8&#8230;<\/strong> \u306e\u9806\u306b\u30af\u30ea\u30c3\u30af\u3057\u3001<strong>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af &gt; Wi-Fi<\/strong> \u3092\u958b\u304d\u307e\u3059\u3002<strong>\u30b5\u30dd\u30fc\u30c8\u3055\u308c\u3066\u3044\u308b PHY \u30e2\u30fc\u30c9<\/strong> \u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002- <strong>802.11b\/g\/n<\/strong> \u306f\u30012.4GHz \u306e\u307f\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u610f\u5473\u3057\u307e\u3059\u3002- <strong>802.11a\/b\/g\/n<\/strong> \u307e\u305f\u306f <strong>ax<\/strong> \u306e\u5834\u5408\u30015GHz \u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u307e\u3059\u3002\u30c7\u30d0\u30a4\u30b9\u304c 5GHz \u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u308b\u306b\u3082\u304b\u304b\u308f\u3089\u305a\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u304c\u8868\u793a\u3055\u308c\u306a\u3044\u5834\u5408\u306f\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af \u30c9\u30e9\u30a4\u30d0\u30fc (Windows) \u307e\u305f\u306f macOS \u3092\u66f4\u65b0\u3059\u308b\u3068\u554f\u984c\u304c\u89e3\u6c7a\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u30c7\u30d0\u30a4\u30b9\u306e\u88fd\u9020\u5143\u304b\u3089\u30c9\u30e9\u30a4\u30d0\u30fc\u306e\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3092\u63a2\u3059\u304b\u3001Windows Update \u3092\u5b9f\u884c\u3057\u3066\u304f\u3060\u3055\u3044\u3002 &#8212; \u305d\u3046\u3067\u3059\u306d\u3001\u30c7\u30d0\u30a4\u30b9\u304c 5GHz \u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u308b\u306e\u306b\u8868\u793a\u3055\u308c\u306a\u3044\u5834\u5408\u306f\u3001\u30c9\u30e9\u30a4\u30d0\u30fc\u306b\u554f\u984c\u304c\u3042\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u3082\u3057\u304f\u306f\u3001\u30eb\u30fc\u30bf\u30fc\u304c\u305d\u306e\u5e2f\u57df\u3092\u9069\u5207\u306b\u30d6\u30ed\u30fc\u30c9\u30ad\u30e3\u30b9\u30c8\u3057\u3066\u3044\u306a\u3044\u3060\u3051\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002\u30d5\u30a1\u30fc\u30e0\u30a6\u30a7\u30a2\u3092\u7c21\u5358\u306b\u66f4\u65b0\u3059\u308b\u3060\u3051\u3067\u591a\u304f\u306e\u554f\u984c\u304c\u89e3\u6c7a\u3059\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u307e\u305f\u306f\u3001\u3044\u3056\u3068\u3044\u3046\u3068\u304d\u306b\u306f\u3001\u30eb\u30fc\u30bf\u30fc\u3092\u30ea\u30bb\u30c3\u30c8\u3059\u308b (\u5c0f\u3055\u306a\u30ea\u30bb\u30c3\u30c8\u30dc\u30bf\u30f3\u3092\u7d04 10 \u79d2\u9593\u62bc\u3057\u7d9a\u3051\u308b) \u3068\u3059\u3079\u3066\u304c\u30c7\u30d5\u30a9\u30eb\u30c8\u306b\u30ea\u30bb\u30c3\u30c8\u3055\u308c\u3001\u5e2f\u57df\u304c\u518d\u3073\u8868\u793a\u3055\u308c\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u305d\u308c\u3067\u3082\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u304c\u8868\u793a\u3055\u308c\u306a\u3044\u5834\u5408\u306f\u3001\u4e92\u63db\u6027\u306e\u554f\u984c\u304b\u3001\u30c7\u30d0\u30a4\u30b9\u304c\u53e4\u3044\u3060\u3051\u304b\u3069\u3046\u304b\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u7406\u7531\u306f\u308f\u304b\u308a\u307e\u305b\u3093\u304c\u3001\u30c9\u30e9\u30a4\u30d0\u30fc\u3092\u66f4\u65b0\u3057\u305f\u308a\u3001\u65b0\u3057\u3044 Wi-Fi \u30ab\u30fc\u30c9\u3092\u5165\u624b\u3057\u305f\u308a\u3059\u308b\u3068\u6539\u5584\u3059\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002\u305d\u3057\u3066\u3082\u3061\u308d\u3093\u3001\u4e00\u90e8\u306e\u30eb\u30fc\u30bf\u30fc\u306b\u306f\u3001\u904e\u71b1\u3057\u305f\u308a\u3001\u5e2f\u57df\u3092\u9069\u5207\u306b\u5207\u308a\u66ff\u3048\u3089\u308c\u306a\u3044\u306a\u3069\u306e\u7656\u304c\u3042\u308a\u307e\u3059\u3002\u30d5\u30a1\u30fc\u30e0\u30a6\u30a7\u30a2\u3092\u66f4\u65b0\u3057\u305f\u308a\u3001\u30ea\u30bb\u30c3\u30c8\u3057\u305f\u308a\u3001\u30eb\u30fc\u30bf\u30fc\u306e\u30de\u30cb\u30e5\u30a2\u30eb\u3092\u53c2\u7167\u3057\u305f\u308a\u3059\u308b\u3068 (\u8a2d\u5b9a\u304c\u5947\u5999\u306a\u30e1\u30cb\u30e5\u30fc\u306e\u4e0b\u306b\u96a0\u308c\u3066\u3044\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059)\u3001\u5f79\u7acb\u3064\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002 <\/p>\n<p>\u5168\u4f53\u7684\u306b\u91cd\u8981\u306a\u306e\u306f\u3001\u5bfe\u5fdc\u72b6\u6cc1\u3092\u78ba\u8a8d\u3057\u3001\u30eb\u30fc\u30bf\u30fc\u3067\u30d0\u30f3\u30c9\u3092\u30aa\u30f3\u306b\u3057\u3001\u30c7\u30d0\u30a4\u30b9\u30925GHz\u512a\u5148\u306b\u8a2d\u5b9a\u3057\u3001\u30c9\u30e9\u30a4\u30d0\u30fc\u304c\u6700\u65b0\u3067\u3042\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3059\u308b\u3053\u3068\u3067\u3059\u3002\u3053\u308c\u3067\u5927\u62b5\u306f\u554f\u984c\u304c\u89e3\u6c7a\u3057\u307e\u3059\u3002<\/p>\n<h2>\u307e\u3068\u3081<\/h2>\n<ul>\n<li>\u30eb\u30fc\u30bf\u30fc\u304c 5GHz \u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u308b\u304b\u3069\u3046\u304b\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002\u30e2\u30c7\u30eb\u3092 Google \u3067\u691c\u7d22\u3059\u308b\u304b\u3001\u30de\u30cb\u30e5\u30a2\u30eb\u3092\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n<li>\u30eb\u30fc\u30bf\u30fc\u306e\u7ba1\u7406\u30da\u30fc\u30b8\uff08\u901a\u5e38\u306f\u30ef\u30a4\u30e4\u30ec\u30b9\u8a2d\u5b9a\uff09\u3067 5GHz \u3092\u30aa\u30f3\u306b\u3057\u307e\u3059\u3002<\/li>\n<li>\u30c7\u30d0\u30a4\u30b9\u304c 5GHz \u3092\u512a\u5148\u3059\u308b\u304b\u30015GHz \u306e\u307f\u306b\u63a5\u7d9a\u3059\u308b\u3088\u3046\u306b\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n<li>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u304c\u8868\u793a\u3055\u308c\u306a\u3044\u5834\u5408\u306f\u3001\u30c9\u30e9\u30a4\u30d0\u30fc\u307e\u305f\u306f macOS \u3092\u66f4\u65b0\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n<li>\u305d\u308c\u3067\u3082\u554f\u984c\u304c\u89e3\u6c7a\u3057\u306a\u3044\u5834\u5408\u306f\u3001\u30eb\u30fc\u30bf\u30fc\u3092\u30ea\u30bb\u30c3\u30c8\u3057\u3066\u518d\u8a66\u884c\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n<\/ul>\n<h2>\u307e\u3068\u3081<\/h2>\n<p> \u30c7\u30d0\u30a4\u30b9\u30925GHz\u5e2f\u306b\u63a5\u7d9a\u3059\u308b\u306e\u306f\u3001\u7279\u306b\u53e4\u3044\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u3084\u30eb\u30fc\u30bf\u30fc\u306e\u4e0d\u5177\u5408\u306a\u3069\u3001\u6642\u306b\u969c\u5bb3\u7269\u30b3\u30fc\u30b9\u306e\u3088\u3046\u306b\u611f\u3058\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u3057\u304b\u3057\u3001\u4e00\u5ea6\u5168\u3066\u304c\u6574\u3063\u3066\u3057\u307e\u3048\u3070\u3001\u3042\u306e\u9a5a\u7570\u7684\u306a\u901f\u5ea6\u306f\u624b\u306e\u5c4a\u304f\u3068\u3053\u308d\u306b\u3042\u308a\u307e\u3059\u3002\u5c11\u3057\u306e\u5fcd\u8010\u3068\u8a2d\u5b9a\u3092\u3044\u3058\u308b\u3060\u3051\u3067\u5927\u200b\u200b\u4e08\u592b\u3067\u3059\u3002\u3053\u306e\u60c5\u5831\u304c\u3001\u8ab0\u304b\u306e\u5e0c\u671b\u3059\u308b\u3055\u3089\u306a\u308b\u9ad8\u901f\u5316\u306b\u5f79\u7acb\u3064\u3053\u3068\u3092\u9858\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Wi-Fi\u30925GHz\u306b\u6700\u9069\u5316\u3059\u308b\u65b9\u6cd5\u3001\u307e\u305f\u306f5GHz\u304c\u8868\u793a\u3055\u308c\u306a\u3044\u554f\u984c\u3092\u89e3\u6c7a\u3059\u308b\u65b9\u6cd5 5GHz 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