{"id":491,"date":"2025-05-19T11:10:00","date_gmt":"2025-05-19T03:10:00","guid":{"rendered":"https:\/\/www.bihec.com\/2j-antennas\/?p=491"},"modified":"2025-05-19T11:10:00","modified_gmt":"2025-05-19T03:10:00","slug":"2jantennas-2j4441pgf-%e5%a4%a9%e7%ba%bf-4glte-3g-2g-gps-glonass-galileo-%e5%8f%af%e5%ae%9a%e5%88%b6%e8%b4%b4%e8%a3%85%e5%a4%a9%e7%ba%bf-%e6%9c%89%e6%ba%90gnss%e5%a4%a9%e7%ba%bf-2%e5%90%881%e7%bb%84","status":"publish","type":"post","link":"https:\/\/www.bihec.com\/2j-antennas\/2jantennas-2j4441pgf-%e5%a4%a9%e7%ba%bf-4glte-3g-2g-gps-glonass-galileo-%e5%8f%af%e5%ae%9a%e5%88%b6%e8%b4%b4%e8%a3%85%e5%a4%a9%e7%ba%bf-%e6%9c%89%e6%ba%90gnss%e5%a4%a9%e7%ba%bf-2%e5%90%881%e7%bb%84\/","title":{"rendered":"2JAntennas 2J4441PGF \u5929\u7ebf 4GLTE\/3G\/2G GPS\/GLONASS\/Galileo \u53ef\u5b9a\u5236\u8d34\u88c5\u5929\u7ebf \u6709\u6e90GNSS\u5929\u7ebf 2\u54081\u7ec4\u5408\u5929\u7ebf \u5bbd\u5e26\u5929\u7ebf \u63a5\u5730\u5e73\u9762\u72ec\u7acb\u5929\u7ebf"},"content":{"rendered":"

\u4e0b\u4e00\u4ee3 2 \u5408 1 \u8702\u7a9d\/LTE \u548c GNSS \u5929\u7ebf<\/a>\uff0c\u975e\u5e38\u9002\u5408\u5168\u7403\u8fde\u63a5<\/strong><\/p>\n

\u5bbd\u5e26\u8702\u7a9d\/LTE \u548c GNSS \u7c98\u9644\u5f0f\u5b89\u88c5\u5929\u7ebf \uff082J4441PGF<\/a>\uff09 \u662f\u4e00\u6b3e 2 \u5408 1 \u7ec4\u5408\u5929\u7ebf\uff0c\u975e\u5e38\u9002\u5408\u5728\u79fb\u52a8\u4e2d\u63d0\u4f9b\u5f3a\u5927\u7684\u5168\u7403\u8fde\u63a5\u3002\u8fd9\u6b3e\u5929\u7ebf\u63d0\u4f9b 4G\u3001LTE\u30013G\u30012G\u3001GPS\u3001QZSS\u3001Galileo \u548c GLONASS \u6807\u51c6\u30022J4441PGF \u662f\u4e00\u79cd\u9ad8\u5ea6\u53ef\u9760\u7684\u7cbe\u786e\u5bfc\u822a\u89e3\u51b3\u65b9\u6848\uff0c\u5177\u6709\u6301\u7eed\u7684\u5168\u7403\u8fde\u63a5\u6027\u3002\u8fd9\u6b3e\u5929\u7ebf\u975e\u5e38\u9002\u5408\u6ee1\u8db3\u4e0d\u65ad\u589e\u957f\u7684\u53ef\u9760\u901a\u4fe1\u8981\u6c42\u3002<\/p>\n

\u8702\u7a9d\/LTE\uff08\u7535\u7f06 1\uff09<\/strong>\u4e13\u7528\u4e8e 4G LTE\u30013G \u548c 2G \u6807\u51c6\u3002\u91c7\u7528\u5168\u5411\u8f90\u5c04\u6a21\u5f0f\u8bbe\u8ba1\uff0c\u53ef\u63d0\u4f9b\u6700\u5927\u7684\u4fe1\u53f7\u5f3a\u5ea6\uff0c\u5e76\u5728 698MHz-2700MHz \u9891\u7387\u8303\u56f4\u5185\u5de5\u4f5c\u3002\u7535\u7f06 1 \u7ecf\u8fc7\u8c03\u6574\uff0c\u53ef\u63d0\u4f9b\u6700\u5927\u7684\u4fe1\u53f7\u5f3a\u5ea6\u548c\u4e0d\u95f4\u65ad\u7684\u8fde\u63a5\u3002\u8fd9\u6b3e\u5929\u7ebf\u5411\u540e\u517c\u5bb9\uff0c\u975e\u5e38\u9002\u5408\u73b0\u6709\u548c\u672a\u6765\u7684\u5e94\u7528\u3002\u8be5\u5929\u7ebf\u63d0\u4f9b 4.1 dBi \u7684 4G LTE \u5cf0\u503c\u589e\u76ca\uff0c\u540c\u65f6\u4fdd\u6301\u9ad8\u8fbe 72% \u7684\u7a33\u5b9a\u6548\u7387\u3002<\/p>\n

GPS\/GLONASS \u5929\u7ebf\uff08\u7535\u7f06 2\uff09<\/strong>\u4e13\u4e3a\u5728 GPS\u3001QZSS\u3001Galileo \u548c GLONASS \u6807\u51c6\u4e0b\u5b9e\u73b0\u53ef\u9760\u7684\u5bfc\u822a\u8fde\u63a5\u800c\u8bbe\u8ba1\u3002\u00a0\u8fd9\u6b3e\u6709\u6e90 GNSS \u5929\u7ebf\u975e\u5e38\u9002\u5408\u5728\u00a01575.42MHz \u548c 1598MHz-1606MHz \u9891\u7387\u8303\u56f4\u5185\u5de5\u4f5c\u7684\u5e94\u7528\u3002\u7535\u7f06 2 \u5177\u6709\u534a\u7403\u5f62\u8f90\u5c04\u65b9\u5411\u56fe\u548c RHCP \u6781\u5316\uff0c\u53ef\u63d0\u4f9b 24 dB GNSS \u6709\u6e90\u589e\u76ca\u3002\u8fd9\u6b3e\u5e26\u6709\u540e\u7f6e\u6ee4\u6ce2\u5668\u7684\u5929\u7ebf\u5728\u00a02.7 – 5.5 V \u7684 GNSS \u7535\u538b\u8303\u56f4\u5185\u5de5\u4f5c\u3002<\/p>\n

\u5efa\u8bae\u7684\u5e94\u7528\u5305\u62ec<\/strong>\uff1a<\/p>\n