{"id":359,"date":"2025-05-07T16:20:28","date_gmt":"2025-05-07T08:20:28","guid":{"rendered":"https:\/\/www.bihec.com\/2j-antennas\/?p=359"},"modified":"2025-05-07T16:20:28","modified_gmt":"2025-05-07T08:20:28","slug":"2jantennas-2j7402b-2-4-%e5%a4%a9%e7%ba%bf-%e8%9e%ba%e4%b8%9d%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-%e4%bd%8e%e5%89%96%e9%9d%a2","status":"publish","type":"post","link":"https:\/\/www.bihec.com\/2j-antennas\/2jantennas-2j7402b-2-4-%e5%a4%a9%e7%ba%bf-%e8%9e%ba%e4%b8%9d%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-%e4%bd%8e%e5%89%96%e9%9d%a2\/","title":{"rendered":"2JAntennas 2J7402B-2.4 \u5929\u7ebf \u87ba\u4e1d\u5b89\u88c5\u5929\u7ebf \u63a5\u5730\u5e73\u9762\u76f8\u5173\u5929\u7ebf \u4f4e\u5256\u9762\u5929\u7ebf \u53ef\u5b9a\u5236\u9632\u6c34\u5929\u7ebf \u9ad8\u6548\u7387\u5929\u7ebf \u9ad8\u589e\u76ca\u5929\u7ebf"},"content":{"rendered":"<p><strong>\u6700\u53ef\u9760\u7684<a href=\"https:\/\/www.bihec.com\/2j-antennas\/tag\/%e4%bd%8e%e5%89%96%e9%9d%a2%e5%a4%a9%e7%ba%bf\/\" title=\"View all posts in \u4f4e\u5256\u9762\u5929\u7ebf\" target=\"_blank\">\u4f4e\u5256\u9762\u5929\u7ebf<\/a>\uff0c\u5177\u6709\u51fa\u8272\u7684\u589e\u76ca\uff0c\u9002\u7528\u4e8e\u5177\u6709\u6311\u6218\u6027\u7684\u73af\u5883<\/strong><\/p>\n<p><a href=\"https:\/\/www.bihec.com\/2j-antennas\/tag\/2j7402b-2-4\/\" title=\"View all posts in 2J7402B-2.4\" target=\"_blank\">2J7402B-2.4<\/a> \u662f\u4e00\u6b3e\u9ad8\u6548\u7387\u3001\u9ad8\u589e\u76ca\u7684<a href=\"https:\/\/www.bihec.com\/2j-antennas\/tag\/%e5%8f%af%e5%ae%9a%e5%88%b6%e9%98%b2%e6%b0%b4%e5%a4%a9%e7%ba%bf\/\" title=\"View all posts in \u53ef\u5b9a\u5236\u9632\u6c34\u5929\u7ebf\" target=\"_blank\">\u53ef\u5b9a\u5236\u9632\u6c34\u5929\u7ebf<\/a>\uff0c\u975e\u5e38\u9002\u5408\u5168\u7403\u8f66\u8f86\u548c\u6237\u5916\u8d44\u4ea7\u7684\u5916\u90e8\u4f7f\u7528\u3002\u8fd9\u6b3e<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>\u662f 2.4 GHz WiFi\u3001\u84dd\u7259\u3001ZigBee \u6216 ISM \u5e94\u7528\u7684\u7406\u60f3\u89e3\u51b3\u65b9\u6848\u30022.4 GHz \u9891\u6bb5\u4f7f\u7528\u66f4\u957f\u7684\u6ce2\uff0c\u8fd9\u4f7f\u5f97\u5b83\u66f4\u9002\u5408\u66f4\u957f\u7684\u8ddd\u79bb\u6216\u7a7f\u8fc7\u5899\u58c1\u548c\u5176\u4ed6\u56fa\u4f53\u7269\u4f53\u7684\u4f20\u8f93\u3002\u8fd9\u6b3e\u5929\u7ebf\u5177\u6709\u4f4e\u56de\u6ce2\u635f\u8017\u548c\u4f4e\u9a7b\u6ce2\u6bd4\uff0c\u5373\u4f7f\u5728\u6076\u52a3\u7684\u5de5\u4e1a\u73af\u5883\u4e2d\u4e5f\u80fd\u63d0\u4f9b\u53ef\u9760\u7684\u4fe1\u53f7\u4f20\u8f93\u30022J7402B-2.4 \u5728\u540c\u7c7b\u5929\u7ebf\u4e2d\u63d0\u4f9b\u4e86 3.8dBi \u7684\u51fa\u8272 WiFi \u5cf0\u503c\u589e\u76ca\u3002\u8fd9\u6b3e\u5929\u7ebf\u7b26\u5408 2.4 GHz\u3001WiFi\u3001ZigBee\u3001ISM\u3001Sigfox\u3001RFID\u3001LPWA \u548c LoRa \u6807\u51c6\uff0c\u53ef\u4e3a\u5728 2410-2490 MHz \u9891\u7387\u8303\u56f4\u5185\u8fd0\u884c\u7684\u79fb\u52a8\u8bbe\u5907\u63d0\u4f9b\u5353\u8d8a\u7684\u4fe1\u53f7\u8d28\u91cf\u3002<\/p>\n<p>\u8be5\u5929\u7ebf\u662f\u7ebf\u6027\u6781\u5316\u7684\uff0c\u5728\u6574\u4e2a\u9891\u6bb5\u5185\u5177\u6709\u5168\u5411\u8f90\u5c04\u65b9\u5411\u56fe\uff0c\u53ef\u786e\u4fdd\u6301\u7eed\u7684\u63a5\u6536\u548c\u4f20\u8f93\u3002\u51ed\u501f\u8fd9\u4e9b\u529f\u80fd\uff0c\u5929\u7ebf\u53ef\u4ee5\u6291\u5236\u591a\u5f84\u8870\u843d\u548c\u5e72\u6270\uff0c\u8fd9\u4f7f\u5176\u6210\u4e3a\u79fb\u52a8\u7269\u4f53\u7684\u7406\u60f3\u9009\u62e9\uff0c\u56e0\u4e3a\u4fe1\u53f7\u5728\u4efb\u4f55\u65b9\u5411\u4e0a\u90fd\u4e0d\u4f1a\u5931\u771f\uff0c\u4ece\u800c\u63d0\u4f9b\u66f4\u597d\u7684\u4fe1\u53f7\u5f3a\u5ea6\u3002\u00a0\u8be5\u5929\u7ebf\u7684\u6548\u7387\u4e3a 56.5%\u3002<\/p>\n<p><strong>\u5efa\u8bae\u7684\u5e94\u7528\u5305\u62ec<\/strong>\uff1a<\/p>\n<ul>\n<li>\u6c7d\u8f66<\/li>\n<li>\u667a\u80fd\u5bb6\u5c45\u5e94\u7528<\/li>\n<li>\u8fdc\u7a0b\u76d1\u63a7<\/li>\n<li>IoT \u8bbe\u5907<\/li>\n<li>\u5546\u4e1a\u548c\u4f4f\u5b85\u81ea\u52a8\u5316<\/li>\n<li>\u624b\u6301\u8bbe\u5907<\/li>\n<li>\u79fb\u52a8\u548c\u8ba1\u7b97\u8bbe\u5907<\/li>\n<\/ul>\n<p><strong>\u5b89\u88c5 \/ \u73af\u5883<\/strong><\/p>\n<p>2J7402B-2.4\u00a0\u5929\u7ebf\u7684\u5c3a\u5bf8\u4e3a \u00d8 60 \u00d7 15.3 mm\uff0c\u914d\u6709\u9632\u65cb\u8f6c\u87ba\u4e1d\u5b89\u88c5\u9009\u9879\uff0c\u5e76\u4e14\u53d6\u51b3\u4e8e\u63a5\u5730\u5e73\u9762\u3002\u00a0\u8fd9\u6b3e\u4f4e\u5256\u9762\u5929\u7ebf\u91c7\u7528\u9ad8\u7ea7 ASA \u7d2b\u5916\u7ebf\u7a33\u5b9a <a href=\"https:\/\/www.bihec.com\/2j-antennas\/tag\/ip67\/\" title=\"View all posts in IP67\" target=\"_blank\">IP67<\/a> \u548c <a href=\"https:\/\/www.bihec.com\/2j-antennas\/tag\/ip69k\/\" title=\"View all posts in IP69K\" target=\"_blank\">IP69K<\/a> \u7ea7\u5916\u58f3\u5236\u9020\uff0c\u8be5\u5916\u58f3\u662f\u9632\u8150\u8680\u6750\u6599\uff0c\u53ef\u62b5\u6297\u7269\u7406\u51b2\u51fb\u548c\u6545\u610f\u7834\u574f\uff0c\u4f7f\u5176\u5728 -40C \u81f3 +85C \u7684\u6e29\u5ea6\u8303\u56f4\u5185\u975e\u5e38\u8010\u7528\uff0c\u975e\u5e38\u9002\u5408\u6237\u5916\u5e94\u7528\u3002\u8be5\u5929\u7ebf\u914d\u6709\u6807\u51c6 SMA \u516c\u5934\u8fde\u63a5\u5668\u3002\u5b83\u53ef\u4ee5\u901a\u8fc7\u81ea\u5b9a\u4e49\u8fde\u63a5\u5668\u7c7b\u578b\u3001\u7535\u7f06\u957f\u5ea6\u548c\u7535\u7f06\u7c7b\u578b\u8fdb\u884c\u5b8c\u5168\u5b9a\u5236\u30022J7402B \u4e0d\u542b\u4efb\u4f55\u6709\u5bb3\u7269\u8d28\uff0c\u7b26\u5408 REACH \u548c RoHS \u6807\u51c6\u3002<\/p>\n<p id=\"jDZemUR\"><img decoding=\"async\" loading=\"lazy\" class=\"alignnone  wp-image-360 \" src=\"https:\/\/www.bihec.com\/2j-antennas\/wp-content\/uploads\/sites\/2110\/2025\/05\/img_681b14aebd06c.png\" alt=\"\" width=\"176\" height=\"150\" \/><\/p>\n<br><div class=\"tagcloud\"><a href=\"https:\/\/www.bihec.com\/2j-antennas\/tag\/2j7402b-2-4\/\" class=\"tag-cloud-link tag-link-0 tag-link-position-1\" style=\"font-size: 8pt;\" aria-label=\"2J7402B-2.4 (1\u4e2a\u9879\u76ee)\">2J7402B-2.4<\/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\/%e4%bd%8e%e5%89%96%e9%9d%a2%e5%a4%a9%e7%ba%bf\/\" class=\"tag-cloud-link tag-link-2 tag-link-position-3\" style=\"font-size: 13.099337748344pt;\" aria-label=\"\u4f4e\u5256\u9762\u5929\u7ebf (6\u4e2a\u9879\u76ee)\">\u4f4e\u5256\u9762\u5929\u7ebf<\/a>\n<a href=\"https:\/\/www.bihec.com\/2j-antennas\/tag\/%e5%8f%af%e5%ae%9a%e5%88%b6%e9%98%b2%e6%b0%b4%e5%a4%a9%e7%ba%bf\/\" class=\"tag-cloud-link tag-link-3 tag-link-position-4\" style=\"font-size: 9.6688741721854pt;\" aria-label=\"\u53ef\u5b9a\u5236\u9632\u6c34\u5929\u7ebf (2\u4e2a\u9879\u76ee)\">\u53ef\u5b9a\u5236\u9632\u6c34\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: 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-5 tag-link-position-6\" 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\/%e8%9e%ba%e4%b8%9d%e5%ae%89%e8%a3%85%e5%a4%a9%e7%ba%bf\/\" class=\"tag-cloud-link tag-link-6 tag-link-position-7\" style=\"font-size: 14.490066225166pt;\" aria-label=\"\u87ba\u4e1d\u5b89\u88c5\u5929\u7ebf 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\u662f\u4e00\u6b3e\u9ad8\u6548\u7387\u3001\u9ad8\u589e\u76ca\u7684\u53ef\u5b9a\u5236\u9632\u6c34\u5929\u7ebf\uff0c\u975e\u5e38\u9002\u5408\u5168\u7403\u8f66\u8f86\u548c\u6237\u5916\u8d44\u4ea7\u7684\u5916\u90e8\u4f7f\u7528\u3002\u8fd9\u6b3e\u5929\u7ebf\u662f 2.4  <\/p>\n","protected":false},"author":39,"featured_media":360,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_vp_format_video_url":"","_vp_image_focal_point":[]},"categories":[4],"tags":[111,16,97,112,75,88,64,114,113],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v17.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>2JAntennas 2J7402B-2.4 \u5929\u7ebf \u87ba\u4e1d\u5b89\u88c5\u5929\u7ebf \u63a5\u5730\u5e73\u9762\u76f8\u5173\u5929\u7ebf \u4f4e\u5256\u9762\u5929\u7ebf \u53ef\u5b9a\u5236\u9632\u6c34\u5929\u7ebf \u9ad8\u6548\u7387\u5929\u7ebf \u9ad8\u589e\u76ca\u5929\u7ebf<\/title>\n<meta name=\"description\" content=\"2JAntennas 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