{"id":1795,"date":"2022-06-28T11:20:59","date_gmt":"2022-06-28T03:20:59","guid":{"rendered":"http:\/\/www.decitone.com\/blog\/?p=1795"},"modified":"2022-06-28T11:22:04","modified_gmt":"2022-06-28T03:22:04","slug":"dmrd%e7%9a%84%e4%b8%89%e4%b8%aa%e5%b1%82%e7%ba%a7","status":"publish","type":"post","link":"https:\/\/www.decitone.com\/blog\/archives\/1795","title":{"rendered":"DMRD\u7684\u4e09\u4e2a\u5c42\u7ea7"},"content":{"rendered":"<p>\u6570\u5b57\u79fb\u52a8\u65e0\u7ebf\u7535 (DMR) \u5177\u6709\u4e09\u4e2a\u5b9a\u4e49\u7684\u5c42\uff0c\u5141\u8bb8\u5236\u9020\u5546\u4e3a\u4e0d\u540c\u7c7b\u578b\u7684\u5ba2\u6237\u521b\u5efa\u8bbe\u5907\u3002\u4e00\u4e9b\u5ba2\u6237\u53ef\u80fd\u53ea\u9700\u8981\u4e00\u4e2a\u7b80\u5355\u7684\u7cfb\u7edf\uff0c\u5176\u4e2d\u6bcf\u4e2a\u65e0\u7ebf\u7535\u90fd\u4e0e\u5176\u4ed6\u65e0\u7ebf\u7535\u5bf9\u8bdd\uff0c\u800c\u7d27\u6025\u670d\u52a1\u53ef\u80fd\u9700\u8981\u5177\u6709\u52a0\u5bc6\u548c\u8fdc\u7a0b\u7f16\u7a0b\u7684\u5168\u56fd\u6027\u7f51\u7edc\u3002<\/p>\n<h2 class=\"questions\">DMR I<\/h2>\n<p>DMR Tier I \u662f\u7531\u6b27\u6d32\u7535\u4fe1\u6807\u51c6\u534f\u4f1a (ETSI) \u5206\u914d\u7684\u4e00\u7cfb\u5217 DMR \u9891\u7387\uff0c\u53ef\u5728\u6b27\u76df\u514d\u8bb8\u53ef\u4f7f\u7528\u3002<\/p>\n<p>DMR Tier I \u5b9a\u4e49\u4e86 446 MHz \u548c 446.2 MHz \u4e4b\u95f4\u7684 16 \u4e2a DMR \u4f7f\u7528\u9891\u9053\uff0c\u5141\u8bb8\u4efb\u4f55\u4eba\u8d2d\u4e70\u4e0e Tier I \u517c\u5bb9\u7684\u65e0\u7ebf\u7535\u8bbe\u5907\u5e76\u7acb\u5373\u4f7f\u7528\u3002Tier I \u8fd8\u5b9a\u4e49\u4e86\u6bcf\u4e2a\u65e0\u7ebf\u7535\u53d1\u5c04\u7684\u6700\u5927\u529f\u7387\u5c0f\u4e8e 500 mW\uff1b\u76f8\u6bd4\u4e4b\u4e0b\uff0c\u6469\u6258\u7f57\u62c9\u89e3\u51b3\u65b9\u6848\u6700\u6d41\u884c\u7684\u6536\u97f3\u673a\u7684\u6700\u5927\u529f\u7387\u4e3a 5 W\uff08\u9ad8\u51fa 10 \u500d\uff09\u3002<\/p>\n<p>\u672a\u5206\u914d 16 \u4e2a DMR Tier I \u9891\u7387\uff0c\u56e0\u6b64\u4f7f\u7528\u8fd9\u4e9b\u9891\u7387\u7684\u8bbe\u5907\u53ef\u80fd\u4f1a\u53d7\u5230\u8be5\u5730\u533a\u5176\u4ed6\u7528\u6237\u7684\u5e72\u6270\u3002\u8fd9\u79cd\u5e72\u6270\u53ef\u80fd\u4f1a\u5bfc\u81f4\u60a8\u5728\u5173\u952e\u4e1a\u52a1\u60c5\u51b5\u4e0b\u51fa\u73b0\u901a\u4fe1\u95ee\u9898\uff0c\u8fd9\u5c31\u662f\u4e3a\u4ec0\u4e48\u60a8\u5728\u8d2d\u4e70 DMR Tier I \u8bbe\u5907\u4e4b\u524d\u5e94\u6ce8\u610f\u98ce\u9669\u7684\u539f\u56e0\u3002<\/p>\n<h2 class=\"questions\">DMR II<\/h2>\n<p>DMR Tier II \u662f\u53ef\u4ee5\u5728 DMR \u9891\u7387\u8303\u56f4\u5185\u7684\u4efb\u4f55\u4f4d\u7f6e\u8fd0\u884c\u7684\u65e0\u7ebf\u7535\u8bbe\u5907\uff0c\u4f46\u901a\u5e38\u5728 VHF \u7684 136 &#8211; 174 MHz \u9891\u6bb5\u548c UHF \u7684 403 &#8211; 527 MHz \u9891\u6bb5\u5185\u8fd0\u884c\u3002DMR Tier II \u8bbe\u5907\u5fc5\u987b\u4ece\u60a8\u6240\u5728\u56fd\u5bb6\/\u5730\u533a\u7684\u9891\u7387\u8bb8\u53ef\u673a\u6784\u83b7\u5f97\u8bb8\u53ef\uff0c\u8fd9\u5c06\u907f\u514d DMR Tier I \u8bbe\u5907\u53d1\u751f\u7684\u5e72\u6270\u548c\u4f4e\u529f\u7387\u95ee\u9898\u3002<\/p>\n<p>DMR Tier II \u8bbe\u5907\u53ef\u4ee5\u5229\u7528\u4e2d\u7ee7\u7ad9\u6765\u6269\u5927\u7cfb\u7edf\u7684\u8986\u76d6\u8303\u56f4\uff0c\u8ba9\u60a8\u80fd\u591f\u5efa\u7acb\u65e0\u7ebf\u7535\u57fa\u7840\u8bbe\u65bd\u4ee5\u6ee1\u8db3\u60a8\u7684\u5730\u7406\u9700\u6c42\u3002<\/p>\n<h2 class=\"questions\">DMR Tier III<\/h2>\n<p>DMR Tier III \u65e0\u7ebf\u7535\u8bbe\u5907\u5728\u4e0e Tier II \u8bbe\u5907\u76f8\u540c\u7684\u9891\u7387\u8303\u56f4\u5185\u5de5\u4f5c\uff0c\u4f46\u589e\u52a0\u4e86\u8bb8\u591a\u529f\u80fd\uff0c\u4e3a\u7cfb\u7edf\u63d0\u4f9b\u66f4\u591a\u529f\u80fd\uff0c\u4ee5\u66f4\u597d\u5730\u9002\u5e94\u60a8\u7684\u60c5\u51b5\u3002Tier III \u8bbe\u5907\u5728\u201c\u96c6\u7fa4\u6a21\u5f0f\u201d\u4e0b\u8fd0\u884c\uff0c\u8fd9\u610f\u5473\u7740\u65e0\u7ebf\u7535\u4f1a\u81ea\u52a8\u5206\u914d\u5230\u9891\u7387\u800c\u4e0d\u662f\u56fa\u5b9a\u9891\u7387\u3002<\/p>\n<p>\u96c6\u7fa4\u5141\u8bb8\u60a8\u5728\u4fdd\u6301\u76f8\u540c\u547c\u53eb\u6570\u91cf\u7684\u540c\u65f6\u8bb8\u53ef\u66f4\u5c11\u7684\u9891\u7387\uff0c\u4ece\u800c\u964d\u4f4e\u8bb8\u53ef\u6210\u672c\u3002\u9891\u7387\u7684\u81ea\u52a8\u5206\u914d\u6d88\u9664\u4e86\u4e24\u7ec4\u5c1d\u8bd5\u4f7f\u7528\u540c\u4e00\u4fe1\u9053\u8fdb\u884c\u901a\u4fe1\u5e76\u76f8\u4e92\u5e72\u6270\u7684\u53ef\u80fd\u6027\uff0c\u8fd9\u5728\u5927\u578b\u7cfb\u7edf\u4e2d\u5c24\u5176\u91cd\u8981\u3002<\/p>\n<p>DMR Tier III \u589e\u52a0\u4e86\u6570\u636e\u670d\u52a1\uff0c\u6388\u4e88\u65e0\u7ebf\u7535 SMS \u529f\u80fd\u3001\u57fa\u4e8e\u4f4d\u7f6e\u7684 (GPS) \u670d\u52a1\u3001\u9065\u6d4b\u6570\u636e\u548c\u65e0\u7ebf\u7f16\u7a0b\uff0c\u4ee5\u53ca\u65e0\u7ebf\u7535\u8fdc\u7a0b\u63a7\u5236\uff0c\u4f8b\u5982\u505c\u6b62\u65e0\u7ebf\u7535\u4f20\u8f93\u7684\u80fd\u529b\u4e0d\u5c0f\u5fc3\u79bb\u5f00\u4e86\u3002<\/p>\n<p>\u6587\u7ae0\u7ffb\u8bd1\u81ea<a href=\"https:\/\/www.motorolasolutions.com\/en_xu\/solutions\/what-is-dmr-tiers.html\" data-uet=\"{&quot;link-type&quot;: &quot;link&quot;, &quot;link-label&quot;: &quot;About Motorola Solutions&quot;, &quot;cname&quot;: &quot;motorola global footer menu&quot;, &quot;page-area&quot;: &quot;3&quot;}\">\u6469\u6258\u7f57\u62c9\u89e3\u51b3\u65b9\u6848<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6570\u5b57\u79fb\u52a8\u65e0\u7ebf\u7535 (DMR) \u5177\u6709\u4e09\u4e2a\u5b9a\u4e49\u7684\u5c42\uff0c\u5141\u8bb8\u5236\u9020\u5546\u4e3a\u4e0d\u540c\u7c7b\u578b\u7684\u5ba2\u6237\u521b\u5efa\u8bbe\u5907\u3002\u4e00\u4e9b\u5ba2\u6237\u53ef\u80fd\u53ea\u9700\u8981<\/p>\n","protected":false},"author":1,"featured_media":1796,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[1],"tags":[],"_links":{"self":[{"href":"https:\/\/www.decitone.com\/blog\/wp-json\/wp\/v2\/posts\/1795"}],"collection":[{"href":"https:\/\/www.decitone.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.decitone.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.decitone.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.decitone.com\/blog\/wp-json\/wp\/v2\/comments?post=1795"}],"version-history":[{"count":4,"href":"https:\/\/www.decitone.com\/blog\/wp-json\/wp\/v2\/posts\/1795\/revisions"}],"predecessor-version":[{"id":1800,"href":"https:\/\/www.decitone.com\/blog\/wp-json\/wp\/v2\/posts\/1795\/revisions\/1800"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.decitone.com\/blog\/wp-json\/wp\/v2\/media\/1796"}],"wp:attachment":[{"href":"https:\/\/www.decitone.com\/blog\/wp-json\/wp\/v2\/media?parent=1795"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.decitone.com\/blog\/wp-json\/wp\/v2\/categories?post=1795"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.decitone.com\/blog\/wp-json\/wp\/v2\/tags?post=1795"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}