{"id":438,"date":"2025-05-09T15:14:36","date_gmt":"2025-05-09T07:14:36","guid":{"rendered":"https:\/\/www.bihec.com\/2j-antennas\/?p=438"},"modified":"2025-05-09T15:14:36","modified_gmt":"2025-05-09T07:14:36","slug":"2jantennas-2j7790m-%e5%a4%a9%e7%ba%bf-%e5%8f%af%e5%ae%9a%e5%88%b6%e7%a3%81%e6%80%a7%e5%ae%89%e8%a3%85%e5%a4%a9%e7%ba%bf-%e6%8e%a5%e5%9c%b0%e5%b9%b3%e9%9d%a2%e7%9b%b8%e5%85%b3%e5%a4%a9%e7%ba%bf-lte450","status":"publish","type":"post","link":"https:\/\/www.bihec.com\/2j-antennas\/2jantennas-2j7790m-%e5%a4%a9%e7%ba%bf-%e5%8f%af%e5%ae%9a%e5%88%b6%e7%a3%81%e6%80%a7%e5%ae%89%e8%a3%85%e5%a4%a9%e7%ba%bf-%e6%8e%a5%e5%9c%b0%e5%b9%b3%e9%9d%a2%e7%9b%b8%e5%85%b3%e5%a4%a9%e7%ba%bf-lte450\/","title":{"rendered":"2JAntennas 2J7790M \u5929\u7ebf \u53ef\u5b9a\u5236\u78c1\u6027\u5b89\u88c5\u5929\u7ebf \u63a5\u5730\u5e73\u9762\u76f8\u5173\u5929\u7ebf LTE450\u5929\u7ebf \u91cd\u578b\u5929\u7ebf ASA\u6599\u5929\u7ebf \u9632\u6c34\u5929\u7ebf \u4f4e\u9891\u5929\u7ebf \u5706\u67f1\u5f62\u5916\u58f3\u5929\u7ebf"},"content":{"rendered":"<p><strong>\u7528\u4e8e\u53ef\u9760\u901a\u4fe1\u7684 #1 \u91cd\u578b<a href=\"https:\/\/www.bihec.com\/2j-antennas\/tag\/%e4%bd%8e%e9%a2%91%e5%a4%a9%e7%ba%bf\/\" title=\"View all posts in \u4f4e\u9891\u5929\u7ebf\" target=\"_blank\">\u4f4e\u9891\u5929\u7ebf<\/a><\/strong><\/p>\n<p>\u91cd\u578b<a href=\"https:\/\/www.bihec.com\/2j-antennas\/tag\/%e6%8e%a5%e5%9c%b0%e5%b9%b3%e9%9d%a2%e7%9b%b8%e5%85%b3%e5%a4%a9%e7%ba%bf\/\" title=\"View all posts in \u63a5\u5730\u5e73\u9762\u76f8\u5173\u5929\u7ebf\" target=\"_blank\">\u63a5\u5730\u5e73\u9762\u76f8\u5173\u5929\u7ebf<\/a> <a href=\"https:\/\/www.bihec.com\/2j-antennas\/tag\/2j7790m\/\" title=\"View all posts in 2J7790M\" target=\"_blank\">2J7790M<\/a> \u91c7\u7528 LTE 450 \u6280\u672f\uff08410-496 MHz \u9891\u6bb5\uff09\u5de5\u4f5c\u3002\u5b83\u7684\u4f4e\u9891 \uff08450 MHz\uff09 \u63d0\u4f9b\u6bd4\u9ad8\u9891\u66f4\u5e7f\u7684\u533a\u57df\u8986\u76d6\u3001\u5f3a\u5927\u7684\u4fe1\u53f7\u7a7f\u900f\u529b\u3001\u9ad8\u901f\u8fde\u63a5\u548c\u53ef\u9760\u7684\u5b89\u5168\u6027\u3002\u4e0e\u5728 900\u30011800\u30012100 \u6216 2600 MHz \u7b49\u8f83\u9ad8\u9891\u7387\u4e0b\u8fd0\u884c\u7684\u5178\u578b\u516c\u5171\u7f51\u7edc\u4e0d\u540c\uff0cLTE 450\uff08\u901a\u5e38\u79f0\u4e3a\u9891\u6bb5 31\uff09\u9700\u8981\u4e00\u4e2a\u4e13\u7528\u6a21\u5757\u3002\u8fd9\u7acb\u5373\u4f7f LTE 450 \u5728\u51cf\u5c11\u4fe1\u53f7\u62e5\u585e\u65b9\u9762\u5177\u6709\u4f18\u52bf\uff0c\u4ece\u800c\u5b9e\u73b0\u5353\u8d8a\u7684\u7f51\u7edc\u6027\u80fd\u3002<\/p>\n<p>\u6709\u5173<a href=\"https:\/\/www.bihec.com\/2j-antennas\/tag\/%e5%a4%a9%e7%ba%bf\/\" title=\"View all posts in \u5929\u7ebf\" target=\"_blank\">\u5929\u7ebf<\/a>\u7684\u8be6\u7ec6\u89c4\u683c\uff0c\u8bf7\u53c2\u9605\u6211\u4eec\u7684\u7efc\u5408\u6570\u636e\u8868\u3002<\/p>\n<p>\u8fd9\u6b3e\u5929\u7ebf\u662f\u6ee1\u8db3\u5feb\u901f\u589e\u957f\u7684\u53ef\u9760\u901a\u4fe1\u9700\u6c42\u7684\u5b8c\u7f8e\u89e3\u51b3\u65b9\u6848\u3002\u5404\u884c\u5404\u4e1a\u90fd\u53ef\u4ee5\u5229\u7528\u5176\u4f17\u591a\u529f\u80fd\uff0c\u5305\u62ec\uff1a<\/p>\n<p><strong>\u5efa\u8bae\u7684\u5e94\u7528\u5305\u62ec\uff1a<\/strong><\/p>\n<ul>\n<li>\u7269\u8054\u7f51 \uff08IoT\uff09 \u7279\u522b\u662f\uff0cLTE 450 \u652f\u6301\u4e13\u7528\u4e8e IoT \u8fde\u63a5\u7684 CAT-M \u548c\u7a84\u5e26 IoT \uff08NB-IoT\uff09 \u6280\u672f\u3002<\/li>\n<li>\u673a\u5668\u5bf9\u673a\u5668 \uff08M2M\uff09 \u5e94\u7528<\/li>\n<li>\u7269\u6d41\u548c\u8fd0\u8f93<\/li>\n<li>\u5de5\u4e1a\u7269\u8054\u7f51\u548c\u76d1\u63a7<\/li>\n<li>\u667a\u80fd\u519c\u4e1a<\/li>\n<li>\u5b89\u5168\u548c\u76d1\u63a7<\/li>\n<li>\u5173\u952e\u4efb\u52a1\u901a\u4fe1<\/li>\n<li>\u8fd0\u8f93<\/li>\n<\/ul>\n<p>2J7790M \u91c7\u7528\u5168\u5411\u8bbe\u8ba1\uff0c\u5728 360 \u5ea6\u8f90\u5c04\u6a21\u5f0f\u4e2d\u63d0\u4f9b\u4fe1\u53f7\u6027\u80fd\u548c\u8d28\u91cf\uff0c\u540c\u65f6\u4fdd\u6301 ~2.8 dBi \u7684\u6700\u5927\u5cf0\u503c\u589e\u76ca\u3002<\/p>\n<p><strong>\u5b89\u88c5 \/ \u73af\u5883<\/strong><\/p>\n<p>\u8fd9\u6b3e\u5706\u67f1\u5f62\u5916\u58f3 \uff08\u00d8 54 x 68.2 mm\uff09 \u91c7\u7528\u4f18\u8d28 ASA \u6750\u6599\u5236\u6210\uff0c\u7b26\u5408 <a href=\"https:\/\/www.bihec.com\/2j-antennas\/tag\/ip67\/\" title=\"View all posts in IP67\" target=\"_blank\">IP67<\/a>\/IP69 \u548c IK09 \u6807\u51c6\uff0c\u4f7f\u8fd9\u6b3e\u5929\u7ebf\u5b8c\u5168\u9632\u6c34\uff0c\u8010\u9ad8\u6e29\u3001\u9632\u5c18\u548c\u6297\u51b2\u51fb\u3002\u5929\u7ebf\u5e95\u5ea7\u91c7\u7528 Zamak \u5236\u9020\uff0c\u8fd9\u79cd\u6750\u6599\u4ee5\u51fa\u8272\u7684\u963b\u5c3c\u80fd\u529b\u548c\u632f\u52a8\u8870\u51cf\u800c\u95fb\u540d\u3002<\/p>\n<p>2J7790M \u914d\u6709\u5f3a\u5927\u7684\u78c1\u6027\u652f\u67b6\uff0c\u5176\u5f3a\u5ea6\u8db3\u4ee5\u6ee1\u8db3\u957f\u671f\u5e94\u7528\u9700\u6c42\uff0c\u540c\u65f6\u4e5f\u63d0\u4f9b\u4e86\u5728\u4efb\u4f55\u91d1\u5c5e\u8868\u9762\u4e0a\u9891\u7e41\u91cd\u65b0\u5b9a\u4f4d\u7684\u4fbf\u5229\u6027\u3002\u9274\u4e8e LTE 450 \u9891\u8c31\u5728\u504f\u8fdc\u5730\u533a\u516c\u8ba4\u7684\u6548\u7387\uff0c\u4ee5\u53ca\u5373\u4f7f\u7a7f\u8fc7\u5899\u58c1\u548c\u5730\u4e0b\u4e5f\u80fd\u4fdd\u6301\u5f3a\u4fe1\u53f7\u7684\u80fd\u529b\uff0c\u5b83\u6210\u4e3a\u901a\u5e38\u5b89\u88c5\u5728\u5730\u9762\u4ee5\u4e0b\u5730\u4e0b\u5ba4\u4f4d\u7f6e\u7684\u8bbe\u5907\u7684\u9996\u9009\u3002<\/p>\n<p>\u8be5\u7535\u7f06\u914d\u6709\u6807\u51c6 SMA-Male \u8fde\u63a5\u5668\u548c 300 \u5398\u7c73\u957f\u7684 LL100\uff08\u4f4e\u635f\u8017\u540c\u8f74\u7535\u7f06\uff09\uff0c\u5177\u6709\u826f\u597d\u7684\u56de\u6ce2\u635f\u8017\u3001\u63d2\u5165\u635f\u8017\u548c\u632f\u5e45\u7a33\u5b9a\u6027\u3002\u6240\u6709\u8fde\u63a5\u5668\u548c\u7535\u7f06\u90fd\u662f\u5b8c\u5168\u53ef\u5b9a\u5236\u7684\u3002<\/p>\n<p>\u6211\u4eec\u6240\u6709\u7684\u4ea7\u54c1\u5747\u4e0d\u542b\u4efb\u4f55\u6709\u5bb3\u7269\u8d28\uff0c\u5e76\u4e14\u5b8c\u5168\u7b26\u5408 REACH \u548c RoHS \u6807\u51c6\u3002<\/p>\n<p id=\"gKzErmM\"><img decoding=\"async\" loading=\"lazy\" class=\"alignnone  wp-image-439 \" src=\"https:\/\/www.bihec.com\/2j-antennas\/wp-content\/uploads\/sites\/2110\/2025\/05\/img_681da8d4e69f2.png\" alt=\"\" width=\"210\" height=\"179\" \/><\/p>\n<br><div class=\"tagcloud\"><a href=\"https:\/\/www.bihec.com\/2j-antennas\/tag\/2j7790m\/\" class=\"tag-cloud-link tag-link-0 tag-link-position-1\" style=\"font-size: 8pt;\" aria-label=\"2J7790M (1\u4e2a\u9879\u76ee)\">2J7790M<\/a>\n<a href=\"https:\/\/www.bihec.com\/2j-antennas\/tag\/2jantennas\/\" class=\"tag-cloud-link tag-link-1 tag-link-position-2\" style=\"font-size: 22pt;\" aria-label=\"2JAntennas (64\u4e2a\u9879\u76ee)\">2JAntennas<\/a>\n<a href=\"https:\/\/www.bihec.com\/2j-antennas\/tag\/asa%e6%96%99%e5%a4%a9%e7%ba%bf\/\" class=\"tag-cloud-link tag-link-2 tag-link-position-3\" style=\"font-size: 8pt;\" aria-label=\"ASA\u6599\u5929\u7ebf (1\u4e2a\u9879\u76ee)\">ASA\u6599\u5929\u7ebf<\/a>\n<a href=\"https:\/\/www.bihec.com\/2j-antennas\/tag\/lte450%e5%a4%a9%e7%ba%bf\/\" class=\"tag-cloud-link tag-link-3 tag-link-position-4\" style=\"font-size: 13.099337748344pt;\" aria-label=\"LTE450\u5929\u7ebf (6\u4e2a\u9879\u76ee)\">LTE450\u5929\u7ebf<\/a>\n<a href=\"https:\/\/www.bihec.com\/2j-antennas\/tag\/%e4%bd%8e%e9%a2%91%e5%a4%a9%e7%ba%bf\/\" class=\"tag-cloud-link tag-link-4 tag-link-position-5\" style=\"font-size: 10.781456953642pt;\" aria-label=\"\u4f4e\u9891\u5929\u7ebf (3\u4e2a\u9879\u76ee)\">\u4f4e\u9891\u5929\u7ebf<\/a>\n<a href=\"https:\/\/www.bihec.com\/2j-antennas\/tag\/%e5%8f%af%e5%ae%9a%e5%88%b6%e7%a3%81%e6%80%a7%e5%ae%89%e8%a3%85%e5%a4%a9%e7%ba%bf\/\" class=\"tag-cloud-link tag-link-5 tag-link-position-6\" style=\"font-size: 8pt;\" aria-label=\"\u53ef\u5b9a\u5236\u78c1\u6027\u5b89\u88c5\u5929\u7ebf (1\u4e2a\u9879\u76ee)\">\u53ef\u5b9a\u5236\u78c1\u6027\u5b89\u88c5\u5929\u7ebf<\/a>\n<a href=\"https:\/\/www.bihec.com\/2j-antennas\/tag\/%e5%9c%86%e6%9f%b1%e5%bd%a2%e5%a4%96%e5%a3%b3%e5%a4%a9%e7%ba%bf\/\" class=\"tag-cloud-link tag-link-6 tag-link-position-7\" style=\"font-size: 8pt;\" aria-label=\"\u5706\u67f1\u5f62\u5916\u58f3\u5929\u7ebf (1\u4e2a\u9879\u76ee)\">\u5706\u67f1\u5f62\u5916\u58f3\u5929\u7ebf<\/a>\n<a href=\"https:\/\/www.bihec.com\/2j-antennas\/tag\/%e5%a4%a9%e7%ba%bf\/\" class=\"tag-cloud-link tag-link-7 tag-link-position-8\" style=\"font-size: 19.033112582781pt;\" aria-label=\"\u5929\u7ebf (30\u4e2a\u9879\u76ee)\">\u5929\u7ebf<\/a>\n<a href=\"https:\/\/www.bihec.com\/2j-antennas\/tag\/%e6%8e%a5%e5%9c%b0%e5%b9%b3%e9%9d%a2%e7%9b%b8%e5%85%b3%e5%a4%a9%e7%ba%bf\/\" class=\"tag-cloud-link tag-link-8 tag-link-position-9\" style=\"font-size: 14.490066225166pt;\" aria-label=\"\u63a5\u5730\u5e73\u9762\u76f8\u5173\u5929\u7ebf (9\u4e2a\u9879\u76ee)\">\u63a5\u5730\u5e73\u9762\u76f8\u5173\u5929\u7ebf<\/a>\n<a href=\"https:\/\/www.bihec.com\/2j-antennas\/tag\/%e9%87%8d%e5%9e%8b%e5%a4%a9%e7%ba%bf\/\" class=\"tag-cloud-link tag-link-9 tag-link-position-10\" style=\"font-size: 13.099337748344pt;\" aria-label=\"\u91cd\u578b\u5929\u7ebf (6\u4e2a\u9879\u76ee)\">\u91cd\u578b\u5929\u7ebf<\/a>\n<a href=\"https:\/\/www.bihec.com\/2j-antennas\/tag\/%e9%98%b2%e6%b0%b4%e5%a4%a9%e7%ba%bf\/\" class=\"tag-cloud-link tag-link-10 tag-link-position-11\" style=\"font-size: 15.23178807947pt;\" aria-label=\"\u9632\u6c34\u5929\u7ebf (11\u4e2a\u9879\u76ee)\">\u9632\u6c34\u5929\u7ebf<\/a><\/div>","protected":false},"excerpt":{"rendered":"<p>\u7528\u4e8e\u53ef\u9760\u901a\u4fe1\u7684 #1 \u91cd\u578b\u4f4e\u9891\u5929\u7ebf \u91cd\u578b\u63a5\u5730\u5e73\u9762\u76f8\u5173\u5929\u7ebf 2J7790M \u91c7\u7528 LTE 450 \u6280\u672f\uff08410-496 MHz \u9891\u6bb5\uff09\u5de5\u4f5c\u3002\u5b83\u7684\u4f4e\u9891 \uff08450 MHz\uff09 \u63d0\u4f9b\u6bd4\u9ad8\u9891\u66f4 <\/p>\n","protected":false},"author":39,"featured_media":439,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_vp_format_video_url":"","_vp_image_focal_point":[]},"categories":[4],"tags":[195,16,197,58,87,196,198,75,88,66,24],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v17.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>2JAntennas 2J7790M \u5929\u7ebf \u53ef\u5b9a\u5236\u78c1\u6027\u5b89\u88c5\u5929\u7ebf \u63a5\u5730\u5e73\u9762\u76f8\u5173\u5929\u7ebf LTE450\u5929\u7ebf \u91cd\u578b\u5929\u7ebf ASA\u6599\u5929\u7ebf \u9632\u6c34\u5929\u7ebf \u4f4e\u9891\u5929\u7ebf \u5706\u67f1\u5f62\u5916\u58f3\u5929\u7ebf<\/title>\n<meta name=\"description\" content=\"2JAntennas 2J7790M \u5929\u7ebf \u53ef\u5b9a\u5236\u78c1\u6027\u5b89\u88c5\u5929\u7ebf \u63a5\u5730\u5e73\u9762\u76f8\u5173\u5929\u7ebf LTE450\u5929\u7ebf \u91cd\u578b\u5929\u7ebf ASA\u6599\u5929\u7ebf \u9632\u6c34\u5929\u7ebf 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