{"id":17598,"date":"2025-10-16T03:15:14","date_gmt":"2025-10-16T10:15:14","guid":{"rendered":"https:\/\/www.lansitec.com\/?p=17598"},"modified":"2025-11-03T23:56:29","modified_gmt":"2025-11-04T07:56:29","slug":"tx-power-optimization-for-iot-tracking-improve-range-battery-life-compliance","status":"publish","type":"post","link":"https:\/\/www.lansitec.com\/ja\/blogs\/iot\u30c8\u30e9\u30c3\u30ad\u30f3\u30b0\u306e\u305f\u3081\u306e\u9001\u4fe1\u96fb\u529b\u6700\u9069\u5316\u306b\u3088\u308a\u3001\/","title":{"rendered":"IoT\u30c8\u30e9\u30c3\u30ad\u30f3\u30b0\u306e\u305f\u3081\u306e\u9001\u4fe1\u96fb\u529b\u6700\u9069\u5316\uff1a\u7bc4\u56f2\u3001\u30d0\u30c3\u30c6\u30ea\u30fc\u5bff\u547d\u3001\u30b3\u30f3\u30d7\u30e9\u30a4\u30a2\u30f3\u30b9\u3092\u5411\u4e0a"},"content":{"rendered":"<p>\u9001\u4fe1\u96fb\u529b\u306e\u8a2d\u5b9a\u306f\u4e00\u898b\u7c21\u5358\u305d\u3046\u306b\u898b\u3048\u307e\u3059\u3002\u9001\u4fe1\u7bc4\u56f2\u3092\u5e83\u3052\u305f\u3044\u5834\u5408\u306f\u4e0a\u3052\u3001\u30d0\u30c3\u30c6\u30ea\u30fc\u3092\u7bc0\u7d04\u3057\u305f\u3044\u5834\u5408\u306f\u4e0b\u3052\u307e\u3059\u3002\u3057\u304b\u3057\u3001\u30c8\u30e9\u30c3\u30ad\u30f3\u30b0\u306b\u304a\u3044\u3066\u306f\u3001\u3053\u306e\u8a2d\u5b9a\u306f\u30b3\u30b9\u30c8\u3001\u30b3\u30f3\u30d7\u30e9\u30a4\u30a2\u30f3\u30b9\u3001\u305d\u3057\u3066\u7a3c\u50cd\u6642\u9593\u306b\u5f71\u97ff\u3092\u53ca\u307c\u3057\u307e\u3059\u3002\u30f4\u30a1\u30eb\u30ca\u8fd1\u90ca\u30671\u9031\u9593\u306e\u96e8\u304c\u964d\u3063\u3066\u3082\u3001\u5c11\u3057\u3060\u3051\u9001\u4fe1\u96fb\u529b\u3092\u4e0a\u3052\u308b\u3060\u3051\u3067\u30bf\u30b0\u3092\u30aa\u30f3\u30e9\u30a4\u30f3\u72b6\u614b\u306b\u7dad\u6301\u3067\u304d\u305f\u4f8b\u304c\u3042\u308a\u307e\u3059\u3002\u4e00\u65b9\u3001\u9001\u4fe1\u96fb\u529b\u3092\u9ad8\u304f\u8a2d\u5b9a\u3057\u3066\u3082\u30d0\u30c3\u30c6\u30ea\u30fc\u3092\u6d88\u8017\u3059\u308b\u3060\u3051\u3067\u3001\u30e1\u30ea\u30c3\u30c8\u304c\u306a\u3044\u3068\u3044\u3046\u4f8b\u3082\u898b\u3066\u304d\u307e\u3057\u305f\u3002\u9001\u4fe1\u96fb\u529b\u3092\u52b9\u679c\u7684\u306b\u4f7f\u3046\u65b9\u6cd5\u3092\u3054\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u9001\u4fe1\u96fb\u529b\u3068\u306f\u5b9f\u969b\u4f55\u306a\u306e\u304b<\/h2>\n\n\n\n<p>\u9001\u4fe1\u96fb\u529b\u3068\u306f\u3001\u30c7\u30d0\u30a4\u30b9\u304c\u30a2\u30f3\u30c6\u30ca\u306b\u9001\u4fe1\u3059\u308b\u4fe1\u53f7\u5f37\u5ea6\u306e\u3053\u3068\u3067\u3059\u3002dBm\u3067\u6e2c\u5b9a\u3055\u308c\u307e\u3059\u3002\u3053\u308c\u306f\u5bfe\u6570\u30b9\u30b1\u30fc\u30eb\u306b\u304a\u3051\u308b\u30df\u30ea\u30ef\u30c3\u30c8\u306e\u7565\u79f0\u3067\u3059\u30020dBm\u306f1mW\u300110dBm\u306f10mW\u300120dBm\u306f100mW\u3067\u3059\u3002\u3053\u306e\u90e8\u5206\u306f\u7c21\u5358\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u3057\u304b\u3057\u3001\u5b9f\u969b\u306b\u5916\u90e8\u306b\u767a\u4fe1\u3055\u308c\u308b\u306e\u306f\u9001\u4fe1\u96fb\u529b\u3060\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u7121\u7dda\u6a5f\u306e\u51fa\u529b\u304b\u3089\u30b1\u30fc\u30d6\u30eb\u640d\u5931\u3092\u5dee\u3057\u5f15\u304d\u3001\u30a2\u30f3\u30c6\u30ca\u5229\u5f97\u3092\u52a0\u3048\u305f\u3082\u306e\u3067\u3059\u3002\u30a8\u30f3\u30b8\u30cb\u30a2\u306f\u3053\u308c\u3092\u7dcfEIRP\u307e\u305f\u306fERP\u3068\u547c\u3073\u307e\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>EIRP<\/strong> \u7406\u60f3\u7684\u306a\u7b49\u65b9\u6027\u30a2\u30f3\u30c6\u30ca\u3068\u6bd4\u8f03\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li><strong>ERP<\/strong> \u534a\u6ce2\u9577\u30c0\u30a4\u30dd\u30fc\u30eb\u3068\u6bd4\u8f03\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u3053\u308c\u30892\u3064\u306e\u5024\u306f2.15 dB\u306e\u5dee\u304c\u3042\u308a\u307e\u3059\u3002\u3057\u305f\u304c\u3063\u3066\u3001ERP\u3068\u8868\u8a18\u3055\u308c\u305f\u9650\u5ea6\u5024\u3067EIRP\u3092\u77e5\u308a\u305f\u3044\u5834\u5408\u306f\u30012.15 dB\u3092\u52a0\u7b97\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u8ffd\u8de1\u306b\u304a\u3044\u3066\u9001\u4fe1\u96fb\u529b\u304c\u91cd\u8981\u306a\u7406\u7531<\/h2>\n\n\n\n<p>\u30c8\u30e9\u30c3\u30ad\u30f3\u30b0\u3067\u306f\u3001\u30ab\u30d0\u30ec\u30c3\u30b8\u3068\u30d0\u30c3\u30c6\u30ea\u30fc\u5bff\u547d\u306e\u30d0\u30e9\u30f3\u30b9\u3092\u5e38\u306b\u53d6\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u9001\u4fe1\u51fa\u529b\u3092\u4e0a\u3052\u308b\u3068\u30ea\u30f3\u30af\u30de\u30fc\u30b8\u30f3\u304c\u5e83\u304c\u308a\u3001\u591a\u304f\u306e\u5834\u5408\u30c7\u30fc\u30bf\u30ec\u30fc\u30c8\u3082\u5411\u4e0a\u3059\u308b\u305f\u3081\u3001\u30a8\u30a2\u30bf\u30a4\u30e0\u3068\u30ea\u30c8\u30e9\u30a4\u56de\u6570\u3092\u524a\u6e1b\u3067\u304d\u307e\u3059\u3002\u9001\u4fe1\u51fa\u529b\u3092\u4e0b\u3052\u308b\u3068\u30d0\u30c3\u30c6\u30ea\u30fc\u3092\u7bc0\u7d04\u3067\u304d\u307e\u3059\u3002\u91cd\u8981\u306a\u306e\u306f\u3001\u5e73\u5747\u7684\u306a\u5834\u6240\u3067\u306f\u306a\u304f\u3001\u6700\u3082\u56f0\u96e3\u306a\u5834\u6240\u306b\u9069\u3057\u305f\u9001\u4fe1\u51fa\u529b\u3092\u8a2d\u5b9a\u3059\u308b\u3053\u3068\u3067\u3059\u3002\u914d\u7f6e\u3068\u30a2\u30f3\u30c6\u30ca\u304c\u307b\u3068\u3093\u3069\u306e\u4f5c\u696d\u3092\u62c5\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>TX \u30d1\u30ef\u30fc\u306f\u3001\u73fe\u5834\u3067\u91cd\u8981\u306a 4 \u3064\u306e\u70b9\u3092\u5909\u66f4\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p><strong>1. \u30ea\u30f3\u30af\u30de\u30fc\u30b8\u30f3<\/strong> \u30eb\u30fc\u30c8\u3084\u7267\u8349\u5730\u306e\u6700\u60aa\u306e\u5834\u6240\u3067 <br><strong>2. \u901a\u8a71\u6642\u9593\u306e\u4f7f\u7528<\/strong> \u3088\u308a\u9ad8\u3044\u7406\u7531\u306f\u3001\u3088\u308a\u9ad8\u3044\u96fb\u529b\u306b\u3088\u308a\u4f4e\u3044\u62e1\u6563\u4fc2\u6570\u3092\u3088\u308a\u983b\u7e41\u306b\u4fdd\u6301\u3067\u304d\u308b\u305f\u3081\u3067\u3059\u3002<br><strong>3. \u30d0\u30c3\u30c6\u30ea\u30fc\u5bff\u547d<\/strong> PA \u96fb\u6d41\u306f TX \u30ec\u30d9\u30eb\u306b\u5fdc\u3058\u3066\u5897\u52a0\u3059\u308b\u305f\u3081\u3002<br><strong>4. \u898f\u5236\u4e0a\u306e\u9732\u51fa<\/strong> \u5c0f\u3055\u306a\u30a2\u30f3\u30c6\u30ca\u306e\u4ea4\u63db\u306b\u3088\u308a\u3001\u8aa4\u3063\u3066 EIRP \u304c\u4e0a\u9650\u3092\u8d85\u3048\u3066\u3057\u307e\u3046\u5834\u5408\u3002<\/p>\n\n\n\n<p>\u30b3\u30f3\u30d7\u30e9\u30a4\u30a2\u30f3\u30b9\u306e\u89b3\u70b9\u304b\u3089\u3001\u307b\u3068\u3093\u3069\u306e <a href=\"https:\/\/www.lansitec.com\/ja\/\u30ed\u30e9\u30ef\u30f3\/\">\u30ed\u30e9\u30ef\u30f3<\/a> \u5404\u5730\u57df\u3067\u306f\u3001\u30c7\u30d0\u30a4\u30b9\u3092MaxEIRP\u3067\u7ba1\u7406\u3057\u3066\u3044\u307e\u3059\u3002\u7c21\u5358\u306b\u8a00\u3048\u3070\u3001\u30a2\u30f3\u30c6\u30ca\u3068\u30b1\u30fc\u30d6\u30eb\u3092\u901a\u3063\u305f\u5f8c\u306e\u653e\u5c04\u96fb\u529b\u306f\u3001\u5730\u57df\u306e\u4e0a\u9650\u3092\u8d85\u3048\u3066\u306f\u306a\u308a\u307e\u305b\u3093\u3002LoRa Alliance\u306e\u5730\u57df\u30d1\u30e9\u30e1\u30fc\u30bf\u306f\u3053\u306e\u6982\u5ff5\u3092\u5b9a\u7fa9\u3057\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u304c\u4f7f\u7528\u3067\u304d\u308b\u30c7\u30d5\u30a9\u30eb\u30c8\u5024\u3082\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002\u591a\u304f\u306e\u5730\u57df\u3067\u306f\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u304c\u4e0a\u66f8\u304d\u3057\u306a\u3044\u9650\u308a\u3001MaxEIRP\u306f\u30c7\u30d5\u30a9\u30eb\u30c8\u306716dBm\u306b\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u307e\u3059\u3002.<\/p>\n\n\n\n<p>EU\u306e863\uff5e870MHz\u5e2f\u3067\u306f\u3001ETSI EN 300 220\u306b\u898f\u5247\u304c\u8a18\u8f09\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u30b5\u30d6\u30d0\u30f3\u30c9\u306b\u306f\u300c25mW ERP\u300d\u3068\u8a18\u8f09\u3055\u308c\u308b\u3053\u3068\u304c\u591a\u304f\u3001\u3053\u308c\u306f\u7d0416.15dBm\u306eEIRP\u306b\u76f8\u5f53\u3057\u307e\u3059\u3002\u540c\u3058\u8868\u306b\u306f\u3001\u4f7f\u7528\u53ef\u80fd\u306a\u30c7\u30fc\u30bf\u30ec\u30fc\u30c8\u3068\u30ec\u30dd\u30fc\u30c8\u5468\u671f\u3092\u898f\u5b9a\u3059\u308b\u30c7\u30e5\u30fc\u30c6\u30a3\u30b5\u30a4\u30af\u30eb\uff08LBT\uff09\u898f\u5247\u3082\u8a18\u8f09\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u7c73\u56fd\u306e902\uff5e928MHz\u5e2f\u3067\u306f\u3001\u30b3\u30df\u30e5\u30cb\u30c6\u30a3\u30ac\u30a4\u30c0\u30f3\u30b9\u3067\u306f\u901a\u5e38\u3001\u5b9f\u7528\u7684\u306aEIRP\u4e0a\u9650\u3068\u6ede\u7559\u6642\u9593\u5236\u9650\u304c\u793a\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u30c7\u30e5\u30fc\u30c6\u30a3\u30b5\u30a4\u30af\u30eb\u306e\u4e0a\u9650\u306f\u793a\u3055\u308c\u3066\u3044\u307e\u305b\u3093\u304c\u3001\u30c1\u30e3\u30cd\u30eb\u3042\u305f\u308a\u306e\u6700\u5927\u30aa\u30f3\u30a8\u30a2\u6642\u9593\u306f\u5b9a\u3081\u3089\u308c\u3066\u304a\u308a\u3001\u3053\u308c\u306f\u30da\u30a4\u30ed\u30fc\u30c9\u30b5\u30a4\u30ba\u3068\u62e1\u6563\u4fc2\u6570\u306e\u8ffd\u8de1\u306b\u91cd\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u73fe\u5834\u3067\u4f7f\u30461\u3064\u306e\u65b9\u7a0b\u5f0f<\/h2>\n\n\n\n<p><strong>EIRP = TX \u96fb\u529b \u2212 \u30b1\u30fc\u30d6\u30eb\u640d\u5931 + \u30a2\u30f3\u30c6\u30ca\u5229\u5f97<\/strong><br>\u3059\u3079\u3066\u306e\u756a\u53f7\u304c\u540c\u3058\u5358\u4f4d\u306b\u306a\u3063\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u305d\u308c\u3060\u3051\u3067\u3059\u3002<\/p>\n\n\n\n<p><strong>\u30b7\u30f3\u30d7\u30eb\u3067\u73fe\u5b9f\u7684\u306a\u4f8b:<\/strong><br>\u8a2d\u5b9a\u3059\u308b <a href=\"https:\/\/www.lansitec.com\/ja\/\u30ed\u30e9\u30ef\u30f3\/\">\u30ed\u30e9\u30ef\u30f3<\/a> \u592a\u967d <a href=\"https:\/\/www.lansitec.com\/ja\/blogs\/bluetooth\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u3068\u306f\u4f55\u304b\u3001\u305d\u306e\u4ed5\u7d44\u307f\u306f\uff1f\/\">Bluetooth\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4<\/a> \u3067 <strong>20dBm<\/strong> TX\u3002\u30d4\u30b0\u30c6\u30fc\u30eb\u640d\u5931\u306f <strong>0.5 dB\u3001<\/strong> \u30a2\u30f3\u30c6\u30ca\u5229\u5f97\u306f <strong>2 dBi<\/strong>.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>EIRP = 20 \u2212 0.5 + 2 = <strong>21.5dBm<\/strong>.<\/li>\n\n\n\n<li>\u3053\u306e\u8a2d\u5b9a\u306fUS915\u3067\u306f\u9069\u5207\u306a\u6ede\u7559\u6642\u9593\u3067\u6a5f\u80fd\u3057\u307e\u3059\u304c\u3001EIRP\u306b\u5909\u63db\u3059\u308b\u3068\u3001\u4e00\u822c\u7684\u306aEU\u306eERP\u4e0a\u9650\u306b\u5bfe\u3057\u3066\u306f\u9ad8\u3059\u304e\u307e\u3059\u3002EU\u3067\u306f\u3001\u30c7\u30d0\u30a4\u30b9\u306e\u9001\u4fe1\u96fb\u529b\u3092\u7d04 <strong>15dBm<\/strong> \u6bb4\u308a\u5012\u3059 <strong>16.5 dBm EIRP<\/strong> \u305d\u306e\u30a2\u30f3\u30c6\u30ca\u3068\u30b1\u30fc\u30d6\u30eb\u3067\u3001ADR\u3068\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u518d\u5ea6\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n<\/ul>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u6280\u8853\u8005\u306b\u4f1d\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u57fa\u672c\u7528\u8a9e<\/h2>\n\n\n\n<figure class=\"wp-block-table is-style-stripes\"><table class=\"has-fixed-layout\"><tbody><tr><td>\u5b66\u671f<\/td><td>\u8aac\u660e<\/td><\/tr><tr><td>\u9001\u4fe1\u96fb\u529b<\/td><td>\u7121\u7dda\u30dd\u30fc\u30c8\u306e\u4f1d\u5c0e\u51fa\u529b\u3002\u3053\u308c\u306f\u30d5\u30a1\u30fc\u30e0\u30a6\u30a7\u30a2\u307e\u305f\u306f\u8a2d\u5b9a\u30c4\u30fc\u30eb\u3067\u8a2d\u5b9a\u3059\u308b\u3082\u306e\u3067\u3042\u308a\u3001\u7a7a\u6c17\u4e2d\u3067\u89b3\u6e2c\u3055\u308c\u308b\u3082\u306e\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/td><\/tr><tr><td>\u30a2\u30f3\u30c6\u30ca\u5229\u5f97<\/td><td>\u30a2\u30f3\u30c6\u30ca\u304c\u30a8\u30cd\u30eb\u30ae\u30fc\u3092\u7279\u5b9a\u306e\u65b9\u5411\u306b\u3069\u308c\u3060\u3051\u96c6\u4e2d\u3055\u305b\u3066\u3044\u308b\u304b\u3002EIRP\u306e\u5834\u5408\u306fdBi\u3001ERP\u306e\u5834\u5408\u306fdBd\u3067\u8868\u793a\u3055\u308c\u307e\u3059\u30022dBi\u306e\u30b9\u30bf\u30d6\u306f\u3001\u30b3\u30f3\u30d1\u30af\u30c8\u30a2\u30f3\u30c6\u30ca\u3067\u306f\u4e00\u822c\u7684\u3067\u3059\u3002 <a href=\"https:\/\/www.lansitec.com\/ja\/\u30c8\u30e9\u30c3\u30ab\u30fc\/\">\u30c8\u30e9\u30c3\u30ab\u30fc<\/a>.<\/td><\/tr><tr><td>\u30b1\u30fc\u30d6\u30eb\u3068\u30b3\u30cd\u30af\u30bf\u306e\u640d\u5931<\/td><td>\u7121\u7dda\u6a5f\u3068\u30a2\u30f3\u30c6\u30ca\u306e\u9593\u306b\u652f\u6255\u3046\u5c0f\u3055\u306a\u7a0e\u91d1\u3067\u3059\u3002\u30d4\u30b0\u30c6\u30fc\u30eb\u306f\u77ed\u304f\u3001\u30b3\u30cd\u30af\u30bf\u306f\u6e05\u6f54\u306b\u4fdd\u3061\u307e\u3057\u3087\u3046\u3002\u30a8\u30c3\u30b8\u3067\u306f0.5dB\u3067\u3082\u91cd\u8981\u3067\u3059\u3002<\/td><\/tr><tr><td>EIRP\/ERP<\/td><td>\u5b9f\u969b\u306e\u653e\u5c04\u96fb\u529b\u306e\u57fa\u6e96\u5024\u3067\u3059\u3002EIRP\u3068ERP\u306e\u9593\u306b\u306f2.15dB\u306e\u30aa\u30d5\u30bb\u30c3\u30c8\u304c\u3042\u308b\u3053\u3068\u306b\u7559\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/td><\/tr><tr><td>\u6700\u5927EIRP<\/td><td>\u5730\u57df\u306e\u4e0a\u9650 <a href=\"https:\/\/www.lansitec.com\/ja\/\u30ed\u30e9\u30ef\u30f3\/\">\u30ed\u30e9\u30ef\u30f3<\/a> \u30c7\u30d0\u30a4\u30b9\u306f\u3053\u308c\u3092\u9075\u5b88\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002LoRa Alliance\u306e\u5730\u57df\u5225\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u306b\u306f\u30c7\u30d5\u30a9\u30eb\u30c8\u306e\u30c6\u30fc\u30d6\u30eb\u304c\u5b58\u5728\u3057\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u3088\u3063\u3066\u4e0a\u66f8\u304d\u3055\u308c\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u9001\u4fe1\u51fa\u529b\u304c\u7d50\u679c\u306b\u4e0e\u3048\u308b\u5f71\u97ff<\/h2>\n\n\n\n<p><strong>\u30ab\u30d0\u30ec\u30c3\u30b8\u3068\u4fe1\u983c\u6027<\/strong><br>\u9001\u4fe1\u96fb\u529b\u3092\u5897\u3084\u3059\u3068\u3001\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u3067\u306e\u4fe1\u53f7\u304c\u5897\u5e45\u3055\u308c\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308aSNR\u304c\u5411\u4e0a\u3057\u3001ADR\u306f\u3088\u308a\u9ad8\u3044\u30c7\u30fc\u30bf\u30ec\u30fc\u30c8\u3092\u7dad\u6301\u3067\u304d\u307e\u3059\u3002\u30c7\u30fc\u30bf\u30ec\u30fc\u30c8\u304c\u9ad8\u3044\u307b\u3069\u3001\u30a8\u30a2\u30bf\u30a4\u30e0\u304c\u77ed\u304f\u306a\u308a\u3001\u6df7\u96d1\u3057\u305f\u30b5\u30a4\u30c8\u3067\u306e\u885d\u7a81\u304c\u6e1b\u5c11\u3057\u307e\u3059\u3002\u3057\u304b\u3057\u3001\u4e3b\u306a\u554f\u984c\u304c\u30b7\u30e3\u30c9\u30a6\u30a4\u30f3\u30b0\u3084\u30b5\u30a4\u30c8\u306e\u30ec\u30a4\u30a2\u30a6\u30c8\u3067\u3042\u308b\u5834\u5408\u3001\u9001\u4fe1\u96fb\u529b\u3092\u5897\u3084\u3057\u3066\u3082\u3042\u307e\u308a\u52b9\u679c\u304c\u3042\u308a\u307e\u305b\u3093\u3002\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u30922\u30e1\u30fc\u30c8\u30eb\u9ad8\u304f\u3059\u308b\u3060\u3051\u3067\u3001\u9001\u4fe1\u96fb\u529b\u306e\u8abf\u6574\u3088\u308a\u3082\u52b9\u679c\u304c\u51fa\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p><strong>\u30d0\u30c3\u30c6\u30ea\u30fc\u5bff\u547d<\/strong><br>\u30d1\u30ef\u30fc\u30a2\u30f3\u30d7\u306f\u9001\u4fe1\u30ec\u30d9\u30eb\u304c\u9ad8\u3044\u3068\u304d\u306b\u6700\u3082\u591a\u304f\u306e\u96fb\u6d41\u3092\u6d88\u8cbb\u3057\u307e\u3059\u3002\u30bf\u30b0\u304c\u6570\u5206\u3054\u3068\u306b\u5831\u544a\u3059\u308b\u5834\u5408\u300114dBm\u304b\u308920dBm\u306b\u4e0a\u3052\u308b\u3053\u3068\u3067\u30011\u65e5\u3042\u305f\u308a\u5b9f\u8cea\u7684\u306amAh\u3092\u8ffd\u52a0\u3067\u304d\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u3001\u79c1\u306f\u914d\u7f6e\u3068\u30a2\u30f3\u30c6\u30ca\u304b\u3089\u59cb\u3081\u3001\u5fc5\u8981\u306a\u5206\u3060\u3051\u9001\u4fe1\u30ec\u30d9\u30eb\u3092\u4e0a\u3052\u307e\u3059\u3002<\/p>\n\n\n\n<p><strong>\u30b3\u30f3\u30d7\u30e9\u30a4\u30a2\u30f3\u30b9<\/strong><br>EU\u306e\u30b5\u30d6\u30d0\u30f3\u30c9\u3067\u306fERP\u5236\u9650\u304c\u4f7f\u7528\u3055\u308c\u308b\u3053\u3068\u304c\u591a\u3044\u305f\u3081\u3001ERP\u3092EIRP\u306b\u5909\u63db\u3057\u3001\u30c7\u30e5\u30fc\u30c6\u30a3\u30b5\u30a4\u30af\u30eb\u307e\u305f\u306fLBT\u30eb\u30fc\u30eb\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u7c73\u56fd\u3067\u306f\u3001\u6ede\u7559\u6642\u9593\u5236\u9650\u3068EIRP\u4e0a\u9650\u3092\u53b3\u5b88\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u3053\u308c\u306b\u3088\u308a\u76e3\u67fb\u62c5\u5f53\u8005\u306e\u8ca0\u62c5\u3092\u8efd\u6e1b\u3067\u304d\u307e\u3059\u3002\u91cd\u8981\u306a\u306e\u306f\u3001\u5e38\u306bEIRP\u3092\u8a08\u7b97\u3057\u3001\u81ea\u5206\u306e\u5730\u57df\u306eEIRP\u3068\u6bd4\u8f03\u3059\u308b\u3053\u3068\u3067\u3059\u3002 <strong>\u6700\u5927EIRP<\/strong> LoRa Alliance \u30c6\u30fc\u30d6\u30eb\u3067\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u30c8\u30e9\u30c3\u30ad\u30f3\u30b0\u4e2d\u5fc3\u306e\u30ef\u30fc\u30af\u30d5\u30ed\u30fc\u3092\u63a8\u5968\u3057\u307e\u3059<\/h2>\n\n\n\n<p><strong>\u30b9\u30c6\u30c3\u30d7 1: \u6700\u521d\u306b\u914d\u7f6e\u3057\u307e\u3059\u3002 <\/strong>\u9001\u4fe1\u96fb\u529b\u3092\u8abf\u6574\u3059\u308b\u3088\u308a\u3082\u3001\u9ad8\u3055\u3068\u898b\u901a\u3057\u306e\u3088\u3055\u3092\u512a\u5148\u3057\u3066\u304f\u3060\u3055\u3044\u3002<br><strong>\u30b9\u30c6\u30c3\u30d7 2: \u30a8\u30c3\u30b8\u3092\u6e2c\u5b9a\u3057\u307e\u3059\u3002<\/strong> \u30c6\u30b9\u30c8\u30bf\u30b0\u3092\u6301\u3063\u3066\u5468\u56f2\u3092\u6b69\u304d\u3001\u8a18\u9332\u3059\u308b <a href=\"https:\/\/www.lansitec.com\/ja\/blogs\/rssi\u5c4b\u5185\u6e2c\u4f4d\/\">RSSI<\/a> \u305d\u3057\u3066\u3001\u4f5c\u696d\u304c\u884c\u308f\u308c\u308b\u5834\u6240\u306eSNR\u3002.<br><strong>\u30b9\u30c6\u30c3\u30d73: \u4e2d\u7a0b\u5ea6\u304b\u3089\u59cb\u3081\u307e\u3059\u3002<\/strong> TX\u3092\u30c7\u30d0\u30a4\u30b9\u7bc4\u56f2\u306e\u4e2d\u592e\u4ed8\u8fd1\u306b\u8a2d\u5b9a\u3057\u307e\u3059\u3002ADR\u304c\u5b89\u5b9a\u3059\u308b\u307e\u30671\u65e5\u5f85\u3061\u307e\u3059\u3002<br><strong>\u30b9\u30c6\u30c3\u30d7 4: \u63a7\u3048\u3081\u306b\u8abf\u6574\u3057\u307e\u3059\u3002<\/strong> \u30a8\u30c3\u30b8\u304c\u8ca0\u306e SNR \u307e\u305f\u306f\u7e70\u308a\u8fd4\u3057\u306e\u30c0\u30a6\u30f3\u30b7\u30d5\u30c8\u3092\u793a\u3057\u3066\u3044\u308b\u5834\u5408\u306b\u306e\u307f\u3001TX \u3092 2\uff5e3 dB \u30b9\u30c6\u30c3\u30d7\u3067\u5fae\u8abf\u6574\u3057\u307e\u3059\u3002<br><strong>\u30b9\u30c6\u30c3\u30d7 5: \u8a08\u7b97\u3092\u30ed\u30c3\u30af\u3057\u307e\u3059\u3002<\/strong> TX\u3001\u30b1\u30fc\u30d6\u30eb\u640d\u5931\u3001\u30a2\u30f3\u30c6\u30ca\u30b2\u30a4\u30f3\u3001\u304a\u3088\u3073\u7d50\u679c\u3068\u3057\u3066\u5f97\u3089\u308c\u308b EIRP \u3092\u30b5\u30a4\u30c8\u30b7\u30fc\u30c8\u306b\u8a18\u9332\u3057\u307e\u3059\u3002<br><strong>\u30b9\u30c6\u30c3\u30d76\uff1aBLE\u3068 <a href=\"https:\/\/www.lansitec.com\/ja\/\u30ed\u30e9\u30ef\u30f3\/\">\u30ed\u30e9\u30ef\u30f3<\/a>. <\/strong>\u306e\u305f\u3081\u306b <a href=\"https:\/\/www.lansitec.com\/ja\/\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\/\">\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4<\/a> \u4e21\u65b9\u3067\u3001\u30bf\u30b0\u30d4\u30c3\u30af\u30a2\u30c3\u30d7\u7528\u306eBLE TX\u3092\u8a2d\u5b9a\u3057\u3001 <a href=\"https:\/\/www.lansitec.com\/ja\/\u30ed\u30e9\u30ef\u30f3\/\">\u30ed\u30e9\u30ef\u30f3<\/a> \u30d0\u30c3\u30af\u30db\u30fc\u30eb\u7528\u306eTX\u3002\u305d\u308c\u305e\u308c\u6307\u5b9a\u901a\u308a\u306b\u8abf\u6574\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u6700\u5f8c\u306b<\/h2>\n\n\n\n<p>\u9001\u4fe1\u51fa\u529b\u306f\u5358\u306a\u308b\u30c4\u30fc\u30eb\u306e\u4e00\u3064\u306b\u904e\u304e\u307e\u305b\u3093\u3002\u30a2\u30f3\u30c6\u30ca\u306e\u9069\u5207\u306a\u914d\u7f6e\u3068\u5b89\u5b9a\u3057\u305f\u30ea\u30f3\u30af\u30d0\u30b8\u30a7\u30c3\u30c8\u304c\u3001\u6700\u3082\u5927\u304d\u306a\u9055\u3044\u3092\u751f\u307f\u51fa\u3057\u307e\u3059\u3002<br>\u5730\u57df\u306e\u5236\u9650\u3068\u6bd4\u8f03\u3059\u308b\u524d\u306b\u3001\u5fc5\u305a\u30ab\u30bf\u30ed\u30b0\u306e\u9001\u4fe1\u96fb\u529b\u5024\u3092EIRP\u306b\u5909\u63db\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u898f\u5247\u306bERP\u304c\u8a18\u8f09\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u306f\u30012.15dB\u3092\u52a0\u7b97\u3057\u3066EIRP\u3092\u7b97\u51fa\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<p>Lansitec\u306f\u5341\u5206\u306a\u30d8\u30c3\u30c9\u30eb\u30fc\u30e0\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002LoRa\u30c7\u30d0\u30a4\u30b9\u306f\u9ad8\u51fa\u529b\u30aa\u30d7\u30b7\u30e7\u30f3\u3067\u7d040\uff5e22dBm\u3092\u30ab\u30d0\u30fc\u3057\u3001BLE\u306f-20\uff5e+4dBm\u306e\u7bc4\u56f2\u3092\u30ab\u30d0\u30fc\u3057\u307e\u3059\u3002\u8cc7\u7523\u306e\u8996\u8a8d\u6027\u3092\u7dad\u6301\u3057\u3001\u30d0\u30c3\u30c6\u30ea\u30fc\u3092\u9577\u6301\u3061\u3055\u305b\u308b\u306e\u306b\u5341\u5206\u306a\u7bc4\u56f2\u3067\u4f7f\u7528\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/p>","protected":false},"excerpt":{"rendered":"<p>\u9001\u4fe1\u51fa\u529b\u306e\u8a2d\u5b9a\u306f\u4e00\u898b\u7c21\u5358\u305d\u3046\u306b\u898b\u3048\u307e\u3059\u3002\u9001\u4fe1\u7bc4\u56f2\u3092\u5e83\u3052\u305f\u3044\u5834\u5408\u306f\u4e0a\u3052\u3001\u30d0\u30c3\u30c6\u30ea\u30fc\u3092\u7bc0\u7d04\u3057\u305f\u3044\u5834\u5408\u306f\u4e0b\u3052\u308b\u3060\u3051\u3067\u3059\u3002\u3057\u304b\u3057\u3001\u30c8\u30e9\u30c3\u30ad\u30f3\u30b0\u306b\u304a\u3044\u3066\u306f\u3001\u3053\u306e\u8a2d\u5b9a\u306f\u30b3\u30b9\u30c8\u3001\u30b3\u30f3\u30d7\u30e9\u30a4\u30a2\u30f3\u30b9\u3001\u305d\u3057\u3066\u7a3c\u50cd\u6642\u9593\u306b\u5f71\u97ff\u3057\u307e\u3059\u3002\u79c1\u306f\u30f4\u30a1\u30eb\u30ca\u8fd1\u90ca\u30671\u9031\u9593\u96e8\u304c\u964d\u3063\u305f\u969b\u3001\u5c11\u3057\u3060\u3051\u9001\u4fe1\u51fa\u529b\u3092\u4e0a\u3052\u305f\u3060\u3051\u3067\u30bf\u30b0\u304c\u30aa\u30f3\u30e9\u30a4\u30f3\u72b6\u614b\u3092\u7dad\u6301\u3067\u304d\u305f\u306e\u3092\u76ee\u306b\u3057\u307e\u3057\u305f\u3002\u4e00\u65b9\u3001\u9ad8\u3044\u8a2d\u5b9a\u3067\u30d0\u30c3\u30c6\u30ea\u30fc\u3092\u6d88\u8017\u3059\u308b\u3060\u3051\u3067\u4f55\u306e\u30e1\u30ea\u30c3\u30c8\u3082\u306a\u3044\u3068\u3044\u3046\u30b1\u30fc\u30b9\u3082\u7d4c\u9a13\u3057\u307e\u3057\u305f\u3002\u9001\u4fe1\u51fa\u529b\u3092\u52b9\u679c\u7684\u306b\u8a2d\u5b9a\u3059\u308b\u65b9\u6cd5\u3092\u3054\u7d39\u4ecb\u3057\u307e\u3059\u3002\u9001\u4fe1\u51fa\u529b\u3068\u306f\uff1f\u9001\u4fe1\u51fa\u529b\u3068\u306f\u3001\u30c7\u30d0\u30a4\u30b9\u304c\u30a2\u30f3\u30c6\u30ca\u306b\u9001\u4fe1\u3059\u308b\u4fe1\u53f7\u5f37\u5ea6\u306e\u3053\u3068\u3067\u3059\u3002dBm\u3067\u6e2c\u5b9a\u3055\u308c\u307e\u3059\u3002\u3053\u308c\u306f\u5bfe\u6570\u30b9\u30b1\u30fc\u30eb\u306b\u304a\u3051\u308b\u30df\u30ea\u30ef\u30c3\u30c8\u306e\u7565\u79f0\u3067\u3059\u30020dBm\u306f1mW\u300110dBm\u306f10mW\u300120dBm\u306f100mW\u3067\u3059\u3002\u3064\u307e\u308a\u2026&nbsp;<a href=\"https:\/\/www.lansitec.com\/ja\/blogs\/iot\u30c8\u30e9\u30c3\u30ad\u30f3\u30b0\u306e\u305f\u3081\u306e\u9001\u4fe1\u96fb\u529b\u6700\u9069\u5316\u306b\u3088\u308a\u3001\/\" rel=\"bookmark\">\u7d9a\u304d\u3092\u8aad\u3080 \u00bb<span class=\"screen-reader-text\">IoT\u30c8\u30e9\u30c3\u30ad\u30f3\u30b0\u306e\u305f\u3081\u306e\u9001\u4fe1\u96fb\u529b\u6700\u9069\u5316\uff1a\u7bc4\u56f2\u3001\u30d0\u30c3\u30c6\u30ea\u30fc\u5bff\u547d\u3001\u30b3\u30f3\u30d7\u30e9\u30a4\u30a2\u30f3\u30b9\u3092\u5411\u4e0a<\/span><\/a><\/p>","protected":false},"author":1,"featured_media":17600,"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":[19],"tags":[29,15,59],"class_list":["post-17598","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news","tag-iot-technology","tag-lorawan","tag-tracking-solution"],"_links":{"self":[{"href":"https:\/\/www.lansitec.com\/ja\/wp-json\/wp\/v2\/posts\/17598","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.lansitec.com\/ja\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.lansitec.com\/ja\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.lansitec.com\/ja\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.lansitec.com\/ja\/wp-json\/wp\/v2\/comments?post=17598"}],"version-history":[{"count":0,"href":"https:\/\/www.lansitec.com\/ja\/wp-json\/wp\/v2\/posts\/17598\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.lansitec.com\/ja\/wp-json\/wp\/v2\/media\/17600"}],"wp:attachment":[{"href":"https:\/\/www.lansitec.com\/ja\/wp-json\/wp\/v2\/media?parent=17598"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lansitec.com\/ja\/wp-json\/wp\/v2\/categories?post=17598"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lansitec.com\/ja\/wp-json\/wp\/v2\/tags?post=17598"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}