{"id":294,"date":"2020-10-09T20:19:10","date_gmt":"2020-10-09T11:19:10","guid":{"rendered":"http:\/\/www.tmele.jp\/en2020\/?post_type=case&#038;p=294"},"modified":"2021-01-08T19:10:53","modified_gmt":"2021-01-08T10:10:53","slug":"etc%e3%83%95%e3%82%a3%e3%83%ab%e3%82%bf%ef%bc%88etc%e3%82%b7%e3%82%b9%e3%83%86%e3%83%a0%ef%bc%89","status":"publish","type":"case","link":"https:\/\/www.tmele.jp\/en2020\/case\/294\/","title":{"rendered":"RF Filter for ETC(Electronic Toll Collection System)"},"content":{"rendered":"<div class=\"inside fields flexs nowrap justify\">\n<div>\n<p>ETC gates have commucation antennas which conduct interactive-radio-communications with devices in cars. Since frequency bands of transmitting &amp; receiving are close each other in ETC systems, high quality filter-duplexer is indispensable. We have already introuced low-loss filters to ETC systems.<\/p>\n<\/p><\/div>\n<figure><img decoding=\"async\" src=\"https:\/\/www.tmele.jp\/en2020\/wp-content\/themes\/tamagawadenshi\/images\/case\/case03_infra02_etc_0.jpg\" alt=\"\"><\/figure>\n<\/div>\n<p><!--h2 class=\"underbar-headcolor\">\u30d6\u30ed\u30c3\u30af\u6982\u8981<\/h2>\n\n\n\n\n<div>\n<img decoding=\"async\" src=\"[sctpl]\/images\/case\/case03_infra02_etc_1.jpg\" width=\"1000\" height=\"auto\" class=\"alignnone size-full wp-image-249\" alt=\"\u30b7\u30b9\u30c6\u30e0\u30d6\u30ed\u30c3\u30af\" \/>\n\n\n<p style=\"text-align:center;\">\u30b7\u30b9\u30c6\u30e0\u30d6\u30ed\u30c3\u30af<\/p>\n\n\n<\/div>\n\n\n\n\n\n<p>&nbsp;<\/p>\n\n\n\n\n<h2 class=\"underbar-headcolor\">\u4e3b\u8981\u6027\u80fd<\/h2>\n\n\n\n\n<ul class=\"square36\">\n\n\n<li>\u5468\u6ce2\u6570\uff1a\u9001\u4fe1\u5468\u6ce2\u65705800\u00b19MHz\u3001\u53d7\u4fe1\u5468\u6ce2\u65705840\u00b19MHz<\/li>\n\n\n\n\n<li>\u633f\u5165\u640d\u5931\uff1a2dB\u4ee5\u4e0b<\/li>\n\n\n\n\n<li>\u9001\u53d7\u9593\u30a2\u30a4\u30bd\u30ec\u30fc\u30b7\u30e7\u30f3\uff1a45dB\u4ee5\u4e0a<\/li>\n\n\n\n\n<li>\u8a31\u5bb9\u96fb\u529b\u3000\uff1a1W max<\/li>\n\n\n<\/ul>\n\n\n\n\n<p>&nbsp;<\/p>\n\n\n\n\n\n<h2 class=\"underbar-headcolor\">\u7279\u5fb4<\/h2>\n\n\n\n\n<p>\u5c0f\u578b\u3067\u4f4e\u640d\u5931\u3001\u512a\u308c\u305f\u6e29\u5ea6\u5b89\u5b9a\u6027\u3092\u5b9f\u73fe\u3057\u3066\u304a\u308a\u307e\u3059\u3002<br \/>\n\u6570\u91cf\u30e9\u30f3\u30af\u306b\u5fdc\u3058\u3066\u5b89\u4fa1\u306b\u5927\u91cf\u751f\u7523\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd\u3067\u3059\u3002<\/p>\n\n\n\n\n<p>&nbsp;<\/p>\n\n\n\n\n\n<div>\n<img decoding=\"async\" src=\"[sctpl]\/images\/case\/case03_infra02_etc_2.jpg\" width=\"1000\" height=\"auto\" class=\"alignnone size-full wp-image-249\" alt=\"ETC\u30d5\u30a3\u30eb\u30bf\u5916\u89b3\" \/>\n\n\n<p>ETC\u30d5\u30a3\u30eb\u30bf\u5916\u89b3<\/p>\n\n\n<\/div-->\n","protected":false},"featured_media":0,"menu_order":12,"template":"","case_tax":[56],"class_list":["post-294","case","type-case","status-publish","hentry"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com -->\n\t<meta name=\"description\" content=\"ETC gates have commucation antennas which conduct interactive-radio-communications with devices in cars. 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We have already introuced low-loss filters to ETC systems.\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/www.tmele.jp\/en2020\/case\/294\/\" \/>\n\t\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 5.0.3\" \/>\n\t\t<meta property=\"og:locale\" content=\"ja_JP\" \/>\n\t\t<meta property=\"og:site_name\" content=\"TAMAGAWA ELECTRONICS CO.,LTD | Tamagawa Electronics Co., Ltd. is a manufacturer specializing in high-frequency radio technology that provides high-frequency circuit element products essential for the manufacture of wireless devices, such as amplifiers, attenuators, filters, switchers, distributors, synthesizers, etc.\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"RF Filter for ETC(Electronic Toll Collection System) | TAMAGAWA ELECTRONICS CO.,LTD\" \/>\n\t\t<meta property=\"og:description\" content=\"ETC gates have commucation antennas which conduct interactive-radio-communications with devices in cars. 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