{"id":435,"date":"2025-05-09T14:42:10","date_gmt":"2025-05-09T06:42:10","guid":{"rendered":"https:\/\/www.bihec.com\/2j-antennas\/?p=435"},"modified":"2025-05-09T14:42:10","modified_gmt":"2025-05-09T06:42:10","slug":"2jantennas-2j3490m-%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%e9%9e%ad%e7%8a%b6%e5%a4%a9%e7%ba%bf-%e6%8e%a5%e5%9c%b0%e5%b9%b3%e9%9d%a2%e7%9b%b8%e5%85%b3","status":"publish","type":"post","link":"https:\/\/www.bihec.com\/2j-antennas\/2jantennas-2j3490m-%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%e9%9e%ad%e7%8a%b6%e5%a4%a9%e7%ba%bf-%e6%8e%a5%e5%9c%b0%e5%b9%b3%e9%9d%a2%e7%9b%b8%e5%85%b3\/","title":{"rendered":"2JAntennas 2J3490M \u5929\u7ebf \u53ef\u5b9a\u5236\u78c1\u6027\u5b89\u88c5\u97ad\u72b6\u5929\u7ebf \u63a5\u5730\u5e73\u9762\u76f8\u5173\u5929\u7ebf LTE450\u5929\u7ebf \u9ad8\u589e\u76ca\u5929\u7ebf \u5c0f\u578b\u5929\u7ebf"},"content":{"rendered":"<p><strong>\u8bbe\u8ba1\u65f6\u5c1a\u3001\u9ad8\u589e\u76ca\u548c\u53ef\u5b9a\u5236\u7684 LTE 450 \u89e3\u51b3\u65b9\u6848<\/strong><\/p>\n<p><a href=\"https:\/\/www.bihec.com\/2j-antennas\/tag\/2j-antennas\/\" title=\"View all posts in 2J Antennas\" target=\"_blank\">2J Antennas<\/a> \u901a\u8fc7\u63d0\u4f9b\u65b0\u7684\u63a5\u5730\u5e73\u9762\u4f9d\u8d56\u78c1\u6027 <a href=\"https:\/\/www.bihec.com\/2j-antennas\/tag\/2j3490m\/\" title=\"View all posts in 2J3490M\" target=\"_blank\">2J3490M<\/a> \u5c06 LTE 450 \u6280\u672f\u5f15\u5165\u6211\u4eec\u7684\u97ad\u72b6<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>\u7cfb\u5217\u3002\u8fd9\u6b3e 3.0 dBi <a href=\"https:\/\/www.bihec.com\/2j-antennas\/tag\/%e9%ab%98%e5%a2%9e%e7%9b%8a%e5%a4%a9%e7%ba%bf\/\" title=\"View all posts in \u9ad8\u589e\u76ca\u5929\u7ebf\" target=\"_blank\">\u9ad8\u589e\u76ca\u5929\u7ebf<\/a>\u4e13\u4e3a\u5728 410-496 MHz \u9891\u6bb5\u5185\u5de5\u4f5c\u800c\u8bbe\u8ba1\uff0c\u975e\u5e38\u9002\u5408\u9700\u8981\u7edd\u5bf9\u53ef\u9760\u6027\u7684\u5e94\u7528\u3002\u901a\u8fc7\u5229\u7528 LTE 450\uff0c\u5b83\u53ef\u4ee5\u6709\u6548\u5730\u5c06\u6570\u636e\u6d41\u91cf\u4ece\u516c\u5171\u7f51\u7edc\u91cd\u5b9a\u5411\u51fa\u53bb\uff0c\u4ece\u800c\u51cf\u5c11\u62e5\u585e\u5e76\u786e\u4fdd\u6027\u80fd\u4e00\u81f4\u3002\u5176\u4f4e\u8c03\u8bbe\u8ba1\u53ef\u4ee5\u8f7b\u677e\u5b89\u88c5\u5728\u8bb8\u591a\u73af\u5883\u4e2d\uff0c\u4f7f\u5176\u6210\u4e3a IoT\u3001M2M \u548c\u8fdc\u7a0b\u76d1\u63a7\u7b49\u884c\u4e1a\u5e94\u7528\u7684\u7edd\u4f73\u9009\u62e9\u3002<\/p>\n<p>2J3490M \u662f\u4e00\u79cd\u4f4e\u6210\u672c\u89e3\u51b3\u65b9\u6848\uff0c\u901a\u8fc7\u7b80\u5355\u7684\u78c1\u6027\u5b89\u88c5\u5373\u53ef\u8f7b\u677e\u5b89\u88c5\uff0c\u4f7f\u8fd9\u6b3e\u5929\u7ebf\u6210\u4e3a\u5546\u4e1a\u3001\u5de5\u4e1a\u548c\u6d88\u8d39\u884c\u4e1a\u7684\u7406\u60f3\u9009\u62e9\u3002<\/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>2J3490M \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 ~3.0 \u7684\u6700\u5927\u5cf0\u503c\u589e\u76ca\u548c ~61.8% \u7684\u51fa\u8272\u6700\u5927\u6548\u7387\u3002<\/p>\n<p><strong>\u5b89\u88c5 \/ \u73af\u5883<\/strong><\/p>\n<p>\u5916\u5f62\u5c0f\u5de7\u7684 2J3490M \u5c3a\u5bf8\u4ec5\u4e3a \u00d8 31 \u00d7 164 mm\uff0c\u91c7\u7528 ABS\/TPE \u548c Zamak \u6750\u6599\uff0c\u53ef\u5b89\u88c5\u5728\u4efb\u4f55\u78c1\u6027\u8868\u9762\u4e0a\u30022J3490M \u914d\u5907\u4e86\u4e00\u4e2a\u5f3a\u5927\u7684\u78c1\u6027\u652f\u67b6\uff0c\u5176\u5f3a\u5ea6\u8db3\u4ee5\u6ee1\u8db3\u957f\u671f\u5e94\u7528\u9700\u6c42\uff0c\u800c\u4e14\u8fd8\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\u30022J3490M \u5177\u6709\u6807\u51c6 SMA \u516c\u5934<a href=\"https:\/\/www.bihec.com\/2j-antennas\/tag\/%e8%bf%9e%e6%8e%a5%e5%99%a8\/\" title=\"View all posts in \u8fde\u63a5\u5668\" target=\"_blank\">\u8fde\u63a5\u5668<\/a>\u548c 300 cm \u957f\u7684 LL100 \u7535\u7f06\u30022J Antennas \u8fd8\u63d0\u4f9b\u5e7f\u6cdb\u7684\u66ff\u4ee3\u8fde\u63a5\u5668\u548c\u7535\u7f06\uff0c\u4ee5\u6ee1\u8db3\u5ba2\u6237\u6700\u72ec\u7279\u7684\u8bbe\u8ba1\u8981\u6c42\u3002<\/p>\n<p>\u73af\u5883\u7684\u5065\u5eb7\u5bf9 2J Antennas \u5f88\u91cd\u8981;\u56e0\u6b64\uff0c\u6211\u4eec\u6240\u6709\u7684\u4ea7\u54c1\u90fd\u662f\u5728\u5236\u9020\u65f6\u4e0d\u542b\u6709\u5bb3\u7269\u8d28\u7684\uff0c\u8fd9\u4f7f\u6211\u4eec\u5b8c\u5168\u7b26\u5408 REACH \u548c RoHS \u6807\u51c6\u3002<\/p>\n<p id=\"xaRqObS\"><img decoding=\"async\" loading=\"lazy\" class=\"alignnone  wp-image-436 \" src=\"https:\/\/www.bihec.com\/2j-antennas\/wp-content\/uploads\/sites\/2110\/2025\/05\/img_681da21f9f227.png\" alt=\"\" width=\"212\" height=\"183\" \/><\/p>\n<br><div class=\"tagcloud\"><a href=\"https:\/\/www.bihec.com\/2j-antennas\/tag\/2j3490m\/\" class=\"tag-cloud-link tag-link-0 tag-link-position-1\" style=\"font-size: 8pt;\" aria-label=\"2J3490M (1\u4e2a\u9879\u76ee)\">2J3490M<\/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 (75\u4e2a\u9879\u76ee)\">2JAntennas<\/a>\n<a href=\"https:\/\/www.bihec.com\/2j-antennas\/tag\/lte450%e5%a4%a9%e7%ba%bf\/\" class=\"tag-cloud-link tag-link-2 tag-link-position-3\" style=\"font-size: 12.873417721519pt;\" aria-label=\"LTE450\u5929\u7ebf (6\u4e2a\u9879\u76ee)\">LTE450\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%e9%9e%ad%e7%8a%b6%e5%a4%a9%e7%ba%bf\/\" class=\"tag-cloud-link tag-link-3 tag-link-position-4\" style=\"font-size: 8pt;\" aria-label=\"\u53ef\u5b9a\u5236\u78c1\u6027\u5b89\u88c5\u97ad\u72b6\u5929\u7ebf (1\u4e2a\u9879\u76ee)\">\u53ef\u5b9a\u5236\u78c1\u6027\u5b89\u88c5\u97ad\u72b6\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-4 tag-link-position-5\" style=\"font-size: 18.810126582278pt;\" aria-label=\"\u5929\u7ebf (32\u4e2a\u9879\u76ee)\">\u5929\u7ebf<\/a>\n<a href=\"https:\/\/www.bihec.com\/2j-antennas\/tag\/%e5%b0%8f%e5%9e%8b%e5%a4%a9%e7%ba%bf\/\" class=\"tag-cloud-link tag-link-5 tag-link-position-6\" style=\"font-size: 11.544303797468pt;\" aria-label=\"\u5c0f\u578b\u5929\u7ebf (4\u4e2a\u9879\u76ee)\">\u5c0f\u578b\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-6 tag-link-position-7\" style=\"font-size: 14.556962025316pt;\" aria-label=\"\u63a5\u5730\u5e73\u9762\u76f8\u5173\u5929\u7ebf (10\u4e2a\u9879\u76ee)\">\u63a5\u5730\u5e73\u9762\u76f8\u5173\u5929\u7ebf<\/a>\n<a href=\"https:\/\/www.bihec.com\/2j-antennas\/tag\/%e9%ab%98%e5%a2%9e%e7%9b%8a%e5%a4%a9%e7%ba%bf\/\" class=\"tag-cloud-link tag-link-7 tag-link-position-8\" style=\"font-size: 11.544303797468pt;\" aria-label=\"\u9ad8\u589e\u76ca\u5929\u7ebf (4\u4e2a\u9879\u76ee)\">\u9ad8\u589e\u76ca\u5929\u7ebf<\/a><\/div>","protected":false},"excerpt":{"rendered":"<p>\u8bbe\u8ba1\u65f6\u5c1a\u3001\u9ad8\u589e\u76ca\u548c\u53ef\u5b9a\u5236\u7684 LTE 450 \u89e3\u51b3\u65b9\u6848 2J Antennas \u901a\u8fc7\u63d0\u4f9b\u65b0\u7684\u63a5\u5730\u5e73\u9762\u4f9d\u8d56\u78c1\u6027 2J3490M \u5c06 LTE 450 \u6280\u672f\u5f15\u5165\u6211\u4eec\u7684\u97ad\u72b6\u5929\u7ebf\u7cfb\u5217\u3002\u8fd9\u6b3e 3 <\/p>\n","protected":false},"author":39,"featured_media":436,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_vp_format_video_url":"","_vp_image_focal_point":[]},"categories":[4],"tags":[193,16,58,194,75,38,88,114],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v17.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>2JAntennas 2J3490M \u5929\u7ebf \u53ef\u5b9a\u5236\u78c1\u6027\u5b89\u88c5\u97ad\u72b6\u5929\u7ebf \u63a5\u5730\u5e73\u9762\u76f8\u5173\u5929\u7ebf 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