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\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 \u5b89\u88c5 \/ \u73af\u5883<\/strong><\/p>\n \u8fd9\u6b3e\u5916\u7f6e\u5929\u7ebf<\/a>\u91c7\u7528 ABS UV \u7a33\u5b9a\u6027\u5236\u9020\uff0c\u4f7f\u5176\u80fd\u591f\u5728 -40C \u81f3 +85C \u7684\u6e29\u5ea6\u4e0b\u4fdd\u6301\u62b5\u6297\u529b\u3002\u8fd9\u6b3e\u8d34\u88c5\u5f0f\u5929\u7ebf\u72ec\u7acb\u4e8e\u63a5\u5730\u5e73\u9762\uff0c\u6613\u4e8e\u5b89\u88c5\uff0c\u5177\u6709\u6781\u9ad8\u7684\u8010\u7528\u6027\u3002\u7535\u7f06 1 \u914d\u6709\u6807\u51c6 SMA \u516c\u5934\u8fde\u63a5\u5668<\/a>\u548c 300 cm \u957f\u7684 LMR195\uff08\u4f4e\u635f\u8017\u540c\u8f74\u7535\u7f06\uff09\u7535\u7f06\uff0c\u800c\u7535\u7f06 2 \u914d\u6709 RG174\uff0c\u4e24\u8005\u90fd\u53ef\u4ee5\u901a\u8fc7\u63d0\u4f9b\u989d\u5916\u7684\u8fde\u63a5\u5668\u7c7b\u578b\u3001\u7535\u7f06\u957f\u5ea6\u548c\u7535\u7f06\u7c7b\u578b\u6765\u5b8c\u5168\u5b9a\u5236\u30022J4441PGF\u00a0\u7b26\u5408 RoHS \u548c REACH \u6807\u51c6\uff0c\u5e76\u901a\u8fc7\u4e86 IP67<\/a> \u8ba4\u8bc1\u3002<\/p>\n \u4e0b\u4e00\u4ee3 2 \u5408 1 \u8702\u7a9d\/LTE \u548c GNSS \u5929\u7ebf\uff0c\u975e\u5e38\u9002\u5408\u5168\u7403\u8fde\u63a5 \u5bbd\u5e26\u8702\u7a9d\/LTE \u548c GNSS \u7c98\u9644\u5f0f\u5b89\u88c5\u5929\u7ebf \uff082J4441PGF\uff09 \u662f\u4e00\u6b3e 2 \u5408 1 \u7ec4\u5408\u5929\u7ebf\uff0c\u975e\u5e38\u9002 <\/p>\n","protected":false},"author":39,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_vp_format_video_url":"","_vp_image_focal_point":[]},"categories":[4],"tags":[246,16,223,52,247,248,75,10,95,94],"yoast_head":"\n\n
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