{"id":42583,"date":"2019-03-07T07:44:23","date_gmt":"2019-03-06T22:44:23","guid":{"rendered":"http:\/\/kako.com\/blog\/?p=42583"},"modified":"2019-03-07T15:10:20","modified_gmt":"2019-03-07T06:10:20","slug":"wifi%e6%a9%9f%e5%99%a8%e3%81%ae%e9%9b%bb%e6%b3%a2%e3%81%ae%e5%bc%b7%e5%ba%a6%e3%81%aerssi%e3%81%ae%e5%80%a4%e3%81%8c%e3%80%81%e5%af%be%e6%95%b0dbm%e3%81%ae%e5%a0%b4%e5%90%88%e3%81%a80%ef%bd%9e100","status":"publish","type":"post","link":"http:\/\/kako.com\/blog\/?p=42583","title":{"rendered":"WiFi\u6a5f\u5668\u306e\u96fb\u6ce2\u306e\u5f37\u5ea6\u306eRSSI\u306e\u5024\u304c\u3001\u5bfe\u6570(dBm)\u306e\u5834\u5408\u30680\uff5e100%\u306e\u5834\u5408\u304c\u3042\u3063\u3066\u7d1b\u3089\u308f\u3057\u3044 (FlashAir\u3067\u3061\u3087\u3063\u3068\u60a9\u3093\u3060)"},"content":{"rendered":"<p>WiFi\u6a5f\u5668\u306e\u96fb\u6ce2\u306e\u5f37\u5ea6\u306eRSSI\u306e\u5024\u304c\u3001\u5bfe\u6570\u306e\u5834\u5408\u30680\uff5e100%\u306e\u5834\u5408\u304c\u3042\u3063\u3066\u7d1b\u3089\u308f\u3057\u3044\u3002<\/p>\n<p>Windows 10\u3067\u3001\u30ce\u30fc\u30c8PC\u306a\u3069\u306eWiFi\u6a5f\u80fd\u3092\u5185\u8535\u3057\u3066\u3044\u308b\u5834\u5408\u3001\u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\u304b\u3089<br \/>\n<strong>netsh wlan show all<\/strong><br \/>\n\u3068\u5165\u529b\u3059\u308b\u3053\u3068\u3067\u3001WiFi\u306e\u72b6\u614b\u3092\u8abf\u3079\u308b\u3053\u3068\u304c\u3067\u304d\u3001\u5468\u56f2\u306b\u3042\u308bWiFi\u306e\u30a2\u30af\u30bb\u30b9\u30dd\u30a4\u30f3\u30c8\u306e\u60c5\u5831\u3082\u5f97\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3002<br \/>\n\u3053\u306e\u5834\u5408\u3001\u305d\u308c\u305e\u308c\u306e\u30a2\u30af\u30bb\u30b9\u30dd\u30a4\u30f3\u30c8\u306e\u96fb\u6ce2\u306e\u5f37\u5ea6\u304c\u30d1\u30fc\u30bb\u30f3\u30c8\u8868\u793a\u3055\u308c\u3066\u3044\u308b\u3002<br \/>\n<a href=\"http:\/\/kako.com\/blog\/wp\/wp-content\/uploads\/2019\/03\/Image1.png\"><img loading=\"lazy\" src=\"http:\/\/kako.com\/blog\/wp\/wp-content\/uploads\/2019\/03\/Image1.png\" alt=\"\" width=\"517\" height=\"375\" class=\"alignnone size-full wp-image-42584\" srcset=\"http:\/\/kako.com\/blog\/wp\/wp-content\/uploads\/2019\/03\/Image1.png 517w, http:\/\/kako.com\/blog\/wp\/wp-content\/uploads\/2019\/03\/Image1-300x218.png 300w\" sizes=\"(max-width: 517px) 100vw, 517px\" \/><\/a><br \/>\n\u3053\u306e\u3088\u3046\u306b\u5468\u56f2\u306eWiFi\u306e\u30a2\u30af\u30bb\u30b9\u30dd\u30a4\u30f3\u30c8\u3092\u60c5\u5831\u3092\u8abf\u3079\u305f\u5834\u5408\u3001\u96fb\u6ce2\u306e\u5f37\u5ea6\u306fRSSI\u3068\u3044\u3046\u5024\u3068\u3057\u3066\u5f97\u3089\u308c\u308b\u3002<\/p>\n<p>RSSI\u3068\u3057\u3066\u8868\u793a\u3055\u308c\u308b\u5024\u3068\u3044\u3046\u306e\u306f\u5b9f\u88c5\u306b\u3088\u3063\u3066\u7570\u306a\u308b\u3089\u3057\u3044\u3002\u57fa\u672c\u7684\u306b\u306f\u6570\u5b57\u304c\u5927\u304d\u3044\u65b9\u304c\u5f37\u3044\u96fb\u6ce2\u306e\u53d7\u4fe1\u5f37\u5ea6\u3092\u8868\u3059\u3088\u3046\u306b\u306a\u3063\u3066\u3044\u308b\u3082\u306e\u3089\u3057\u3044\u3002<br \/>\n\u2192 <a href=\"http:\/\/www.ibsjapan.co.jp\/tech\/details\/metageek-solution\/understanding-rssi.html\">RSSI\u306b\u3064\u3044\u3066 &#8211; IBS Japan<\/a><br \/>\n<!--more--><\/p>\n<p>\u6a5f\u5668\u306b\u3088\u3063\u3066\u96fb\u6ce2\u306e\u53d7\u4fe1\u5f37\u5ea6\u306b\u3001\u5f37\u5ea60%\uff5e100%\u306e\u5024\u3092\u4f7f\u3046\u5834\u5408\u3068\u3001\u96fb\u6ce2\u5f37\u5ea6\u306e\u30ef\u30c3\u30c8\u6570\u304b\u3089dBm\uff08== dBmW\uff09\u3092\u4f7f\u3046\u5834\u5408\u3068\u304c\u3042\u3063\u3066\u7d1b\u3089\u308f\u3057\u3044\u3002Mac OS\u306a\u3069\u3060\u3068RSSI\u306fdBm\u306e\u5024\u304c\u4f7f\u308f\u308c\u3066\u3044\u308b\u3002<br \/>\n\u3061\u306a\u307f\u306bdBm\u306f\u3001\u3053\u306e\u3088\u3046\u306b\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u308b\u3002<br \/>\n\u2192 <a href=\"https:\/\/ja.wikipedia.org\/wiki\/DBm\">dBm &#8211; Wikipedia<\/a><\/p>\n<p>WiFi\u306e\u7121\u7dda\u306e\u96fb\u6ce2\u306e\u53d7\u4fe1\u5f37\u5ea6\u306f\u666e\u901a\u306f-30dBm\uff5e-60dBm\u304f\u3089\u3044\u306e\u6570\u5b57\u306b\u306a\u308b\u3089\u3057\u3044\u3002(\u4e0a\u8a18\u306eWikipedia\u3060\u3068\u7121\u7dda\u306e\u9001\u4fe1\u306e\u96fb\u6ce2\u5f37\u5ea6\u304c\u66f8\u3044\u3066\u3042\u308b\u306e\u304c\u3061\u3087\u3063\u3068\u7d1b\u3089\u308f\u3057\u3044\u3002)<\/p>\n<p>\u6700\u8fd1\u3001<a href=\"http:\/\/kako.com\/blog\/?p=42472\">WiFi\u306e\u30a2\u30af\u30bb\u30b9\u30dd\u30a4\u30f3\u30c8\u306e\u60c5\u5831\u304b\u3089\u4f4d\u7f6e\u60c5\u5831\u3092\u6c42\u3081\u308b\u3068\u3044\u3046\u30bd\u30d5\u30c8<\/a>\u3092\u66f8\u304d\u76f4\u3057\u3057\u3066\u305f\u308a\u3059\u308b\u3002<br \/>\n\u4f4d\u7f6e\u60c5\u5831\u53d6\u5f97\u7528\u306eGoogle Maps Geolocation API\u3060\u3068\u3001RSSI\u306fdBm\u306e\u5024\u3092\u6e21\u3059\u3088\u3046\u306b\u306a\u3063\u3066\u3044\u308b\u3002<br \/>\n\u3057\u304b\u3057\u3001Windows10\u306eWiFi\u306e\u30c7\u30fc\u30bf\u53d6\u5f97\u30b3\u30de\u30f3\u30c9\u306e\u30b7\u30b0\u30ca\u30eb\u5f37\u5ea6(=RSSI?)\u306f100%\u307e\u3067\u306e\u6570\u5b57\u306b\u306a\u3063\u3066\u3044\u308b\u3002<br \/>\n\u3053\u308c\u3092dBm\u306b\u5909\u63db\u3057\u3066API\u3092\u53e9\u304d\u305f\u3044\u306e\u3060\u304c\u3001\u5909\u63db\u65b9\u6cd5\u304c\u5206\u304b\u3089\u306a\u3044\u3002<\/p>\n<p>1%\u30920.01\u3068\u3057\u3066\u300199%\u30920.99\u3068\u3059\u308b0\uff5e1\u307e\u3067\u306e\u5024\u3092\u57fa\u6e96\u306e\u96fb\u529b\u306e1mW\u3068\u5bfe\u6570\u3067\u6bd4\u8f03\u3057\u3066\u6570\u5024\u5316\u3057\u3066\u307f\u305f\u304c\u3001\u3053\u308c\u3060\u3068\u5143\u306e\u30d1\u30fc\u30bb\u30f3\u30c8\u306e\u6570\u5b57\u304c1\u6841\u304b2\u6841\u3057\u304b\u5909\u5316\u3057\u306a\u3044\u306e\u3067\u5909\u63db\u5f8c\u306e\u6570\u5b57\u304c1\u3068\u304b2\u3057\u304b\u5909\u5316\u3057\u306a\u304f\u3066\u4f7f\u3044\u7269\u306b\u306a\u3089\u306a\u3044\u3002<\/p>\n<p>\u5909\u63db\u306e\u6570\u5f0f\u306f\u3069\u306e\u3088\u3046\u306b\u3059\u308b\u306e\u304c\u3088\u3044\u306e\u3060\u308d\u3046\u304b?<\/p>\n<p>&#8212;<br \/>\n<a href=\"http:\/\/kako.com\/blog\/?p=42311\">FlashAir\u3092\u4f7f\u3063\u305f\u5834\u5408<\/a>\u3082\u3001\u540c\u3058\u3088\u3046\u306b\u5468\u56f2\u306eWiFi\u306e\u30a2\u30af\u30bb\u30b9\u30dd\u30a4\u30f3\u30c8\u3092\u60c5\u5831\u3092\u8abf\u3079\u305f\u5834\u5408\u306b\u96fb\u6ce2\u5f37\u5ea6\u304cRSSI\u3068\u3044\u3046\u5024\u3068\u3057\u3066\u5f97\u3089\u308c\u308b\u3002<br \/>\n2\u6841\u306e\u6b63\u306e\u6570\u5b57\u304c\u5f97\u3089\u308c\u308b\u306e\u3067\u3001\u6700\u521d\u306f\u3066\u3063\u304d\u308a0%\uff5e100%\u306e\u5f37\u5ea6\u306e\u6570\u5b57\u306a\u306e\u3060\u3068\u52d8\u9055\u3044\u3057\u3066\u3044\u305f\u3002<br \/>\n\u3057\u304b\u3057\u30010\u306b\u8fd1\u3044\u6570\u5b57\u306e\u65b9\u304c\u96fb\u6ce2\u5f37\u5ea6\u304c\u5f37\u3044\u3068\u3044\u3046\u4ed5\u69d8\u306b\u306a\u3063\u3066\u3044\u308b\u3088\u3046\u3060\u3002<br \/>\n\u304a\u305d\u3089\u304fdBm\u306e\u5024\u306e\u7b26\u53f7\u3092\u53cd\u8ee2\u3055\u305b\u305f\u3082\u306e\u304b\u3001\u3042\u308b\u3044\u306f\u305d\u308c\u306b\u8fd1\u3044\u4ed5\u69d8\u306b\u306a\u3063\u3066\u3044\u308b\u3089\u3057\u3044\u3002<br \/>\n\u306a\u306e\u3067FlashAir\u306e\u5834\u5408\u306f\u3001\u5358\u306b\u7b26\u53f7\u3092\u53cd\u8ee2\u3055\u305b\u308b\u6570\u5f0f\u3067dBm\u306b\u3068\u3057\u3066\u4f7f\u3046\u3053\u3068\u304c\u3067\u304d\u308b\u3063\u307d\u3044\u3002<\/p>\n<blockquote class=\"twitter-tweet\">\n<p lang=\"ja\" dir=\"ltr\">FlashAir\u3067\u53d6\u5f97\u3067\u304d\u308b\u96fb\u6ce2\u5f37\u5ea6\u3092\u8abf\u3079\u305f\u8a71<\/p>\n<p>iSDIO\u30ec\u30b8\u30b9\u30bf\u306eSignal Strength\u306f0\u301c100\u3067\u8868\u3055\u308c\u3001\u5927\u304d\u3044\u307b\u3069\u96fb\u6ce2\u304c\u5f37\u3044\u3002(iSDIO\u898f\u683c)<\/p>\n<p>fa.scaninfo()\u3067\u53d6\u5f97\u3067\u304d\u308bRSSI\u5024\u306f\u5c0f\u3055\u3044\u307b\u3069\u96fb\u6ce2\u304c\u5f37\u3044\u3002\u8ddd\u96e2\u6e1b\u8870\u306e\u6319\u52d5\u304b\u3089\u5358\u4f4d\u306fdB\u3002<\/p>\n<p>\u306a\u304a\u3001fa.scaninfo()\u306e\u5f15\u6570\u306f\u3001<br \/>0\u301ccount-1\u3067\u5f37\u3044\u9806\u306b\u4e26\u3093\u3067\u3044\u308b\u3002<\/p>\n<p>&mdash; \u84bc\u3055\u3084 (@La_zlo) <a href=\"https:\/\/twitter.com\/La_zlo\/status\/1101515307741396992?ref_src=twsrc%5Etfw\">March 1, 2019<\/a><\/p><\/blockquote>\n<p> <script async src=\"https:\/\/platform.twitter.com\/widgets.js\" charset=\"utf-8\"><\/script> <\/p>\n<p>&#8212;<br \/>\n\u7d50\u5c40\u3001FlashAir\u306e\u5834\u5408\u306b\u306f\u7b26\u53f7\u53cd\u8ee2\u306e\u8a08\u7b97\u5024\u3092Google Geolocation API\u306b\u6e21\u3057\u305f\u3002<br \/>\nWindows\u306e\u5834\u5408\u306b\u306f\u3001\u30d1\u30fc\u30bb\u30f3\u30c8\u5024\u3092dBm\u306b\u5909\u63db\u3059\u308b\u306e\u3092\u3042\u304d\u3089\u3081\u3066\u3001-55dBm\u306e\u56fa\u5b9a\u5024\u3092\u6c7a\u3081\u6253\u3061\u3067Geolocation API\u306b\u6e21\u3057\u305f\u3002<br \/>\n\u7d50\u679c\u3068\u3057\u3066\u5f97\u3089\u308c\u308b\u7cbe\u5ea6\u306f\u3001<br \/>\n(1)\u3061\u3083\u3093\u3068dBm\u306e\u5024\u3092\u6e21\u3059<br \/>\n(2)\u6c7a\u3081\u6253\u3061\u3067-55dBm\u3068\u3044\u3046\u5024\u3092\u6e21\u3059<br \/>\n(3)SignalStrength\u306e\u6307\u5b9a\u3092\u7701\u7565\u3057\u3066\u6e21\u3059<br \/>\n\u3068\u3044\u3046\u9806\u306b(1)\u306e\u65b9\u304c\u7cbe\u5ea6\u304c\u826f\u304b\u3063\u305f\u3002\u305f\u3060\u3057\u3001(1)\u3068(2)\u306e\u5dee\u306f\u3042\u307e\u308a\u5927\u304d\u304f\u306a\u3044\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>WiFi\u6a5f\u5668\u306e\u96fb\u6ce2\u306e\u5f37\u5ea6\u306eRSSI\u306e\u5024\u304c\u3001\u5bfe\u6570\u306e\u5834\u5408\u30680\uff5e100%\u306e\u5834\u5408\u304c\u3042\u3063\u3066\u7d1b\u3089\u308f\u3057\u3044\u3002 Windows 10\u3067\u3001\u30ce\u30fc\u30c8PC\u306a\u3069\u306eWiFi\u6a5f\u80fd\u3092\u5185\u8535\u3057\u3066\u3044\u308b\u5834\u5408\u3001\u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\u304b\u3089 netsh wlan show a [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[13,14],"tags":[],"_links":{"self":[{"href":"http:\/\/kako.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/42583"}],"collection":[{"href":"http:\/\/kako.com\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/kako.com\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/kako.com\/blog\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"http:\/\/kako.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=42583"}],"version-history":[{"count":4,"href":"http:\/\/kako.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/42583\/revisions"}],"predecessor-version":[{"id":42588,"href":"http:\/\/kako.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/42583\/revisions\/42588"}],"wp:attachment":[{"href":"http:\/\/kako.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=42583"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/kako.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=42583"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/kako.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=42583"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}