{"id":97752,"date":"2024-09-14T17:27:44","date_gmt":"2024-09-14T09:27:44","guid":{"rendered":"\/\/www.viralrail.com\/?p=97752"},"modified":"2024-09-14T17:27:48","modified_gmt":"2024-09-14T09:27:48","slug":"gmksgmkm","status":"publish","type":"post","link":"\/\/www.viralrail.com\/blog\/97752.html","title":{"rendered":"GPRS\u6a21\u5757\u662f4G\u6a21\u5757\u5417"},"content":{"rendered":"\n<p>\u3000\u3000<strong>GPRS\u6a21\u5757<\/strong>\u548c<strong>4G\u6a21\u5757<\/strong>\u662f\u4e24\u79cd\u4e0d\u540c\u7684\u901a\u4fe1\u6280\u672f\uff0c\u5b83\u4eec\u5728\u6280\u672f\u6807\u51c6\u3001\u7f51\u7edc\u9891\u8c31\u548c\u5e94\u7528\u9886\u57df\u4e0a\u6709\u6240\u533a\u522b\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e00\u3001 GPRS\u6a21\u5757\u548c4G\u6a21\u5757\u5bf9\u6bd4<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30001.&nbsp;<strong>GPRS\u6a21\u5757<\/strong>\uff1a<\/h3>\n\n\n\n<p>\u3000\u3000GPRS(General Packet Radio Service)\u662f\u4e00\u79cd\u57fa\u4e8eGSM\u7684\u79fb\u52a8\u6570\u636e\u670d\u52a1\uff0c\u5c5e\u4e8e\u7b2c\u4e8c\u4ee3\u79fb\u52a8\u901a\u4fe1\u4e2d\u7684\u6570\u636e\u4f20\u8f93\u6280\u672f\u3002\u5b83\u4ecb\u4e8e2G\u548c3G\u4e4b\u95f4\uff0c\u901a\u5e38\u88ab\u79f0\u4e3a2.5G\u3002<\/p>\n\n\n\n<p>\u3000\u3000GPRS\u6a21\u5757\u901a\u8fc7\u65e0\u7ebf\u7535\u4fe1\u53f7\u4e0e\u901a\u4fe1\u57fa\u7ad9\u8fdb\u884c\u901a\u4fe1\uff0c\u4f7f\u7528GPRS\u7f51\u7edc\u4f20\u8f93\u6570\u636e\uff0c\u5141\u8bb8\u8bbe\u5907\u5728\u65e0\u7ebf\u7f51\u7edc\u73af\u5883\u4e0b\u53d1\u9001\u548c\u63a5\u6536\u6570\u636e\u3002<\/p>\n\n\n\n<p>\u3000\u3000GPRS\u6a21\u5757\u7684\u5de5\u4f5c\u539f\u7406\u57fa\u4e8e\u5206\u7ec4\u65b9\u5f0f\u4f20\u8f93\u6570\u636e\uff0c\u56e0\u6b64\u8d39\u7528\u8ba1\u7b97\u4ee5\u4f20\u8f93\u7684\u6570\u636e\u91cf\u4e3a\u5355\u4f4d\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30002.&nbsp;<strong>4G\u6a21\u5757<\/strong>\uff1a<\/h3>\n\n\n\n<p>\u3000\u30004G\u6a21\u5757\u662f\u6307\u652f\u6301TD-LTE\u548cFDD-LTE\u7b49LTE\u7f51\u7edc\u5236\u5f0f\u7684\u7edf\u79f0\uff0c\u5177\u6709\u901a\u4fe1\u901f\u5ea6\u5feb\u3001\u7f51\u7edc\u9891\u8c31\u5bbd\u3001\u901a\u4fe1\u7075\u6d3b\u7b49\u7279\u70b9\u3002<\/p>\n\n\n\n<p>\u3000\u30004G\u6a21\u5757\u96c6\u6210\u4e86\u9ad8\u8d28\u91cf\u7684\u8bed\u97f3\u548c\u5bbd\u5e26\u6570\u636e\uff0c\u6574\u5408\u4e86\u591a\u79cd\u8fd0\u8425\u5546\u4e1a\u52a1\uff0c\u5177\u6709\u9ad8\u9891\u8c31\u6548\u7387\u3001\u9ad8\u901f\u7387\u3001\u4f4e\u5ef6\u8fdf\u3001\u4f4e\u6210\u672c\u7b49\u7279\u70b9\u3002<\/p>\n\n\n\n<p>\u3000\u30004G\u6a21\u5757\u53ef\u4ee5\u627f\u8f7d\u66f4\u9ad8\u901f\u7684\u6570\u636e\u4f20\u8f93\uff0c\u9002\u7528\u4e8e\u7269\u8054\u7f51\u8fde\u63a5\u3001\u5b9e\u65f6\u76d1\u63a7\u3001\u6570\u636e\u4f20\u8f93\u548c\u667a\u80fd\u5316\u8f6c\u578b\u7b49\u591a\u79cd\u5e94\u7528\u573a\u666f\u3002<\/p>\n\n\n\n<p>\u3000\u3000GPRS\u6a21\u5757\u5e76\u4e0d\u662f4G\u6a21\u5757\u3002\u867d\u7136\u4e24\u8005\u90fd\u53ef\u4ee5\u7528\u4e8e\u6570\u636e\u4f20\u8f93\uff0c\u4f46GPRS\u5c5e\u4e8e\u8f83\u65e9\u7684\u6280\u672f\u6807\u51c6(\u53732.5G)\uff0c\u800c4G\u5219\u662f\u65b0\u4e00\u4ee3\u7684\u79fb\u52a8\u901a\u4fe1\u6280\u672f(\u53733G\u4e4b\u540e\u7684\u6807\u51c6)\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e8c\u3001 GPRS\u6a21\u5757\u7684\u6280\u672f\u89c4\u683c\u548c\u6027\u80fd\u53c2\u6570\u662f\u4ec0\u4e48?<\/h2>\n\n\n\n<p>\u3000\u3000GPRS\u6a21\u5757\u7684\u6280\u672f\u89c4\u683c\u548c\u6027\u80fd\u53c2\u6570\u56e0\u5177\u4f53\u578b\u53f7\u800c\u5f02\uff0c\u4f46\u53ef\u4ee5\u603b\u7ed3\u51fa\u4e00\u4e9b\u901a\u7528\u7684\u7279\u6027\u548c\u53c2\u6570\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5178\u578b\u7684GPRS\u6a21\u5757\u6280\u672f\u89c4\u683c\u548c\u6027\u80fd\u53c2\u6570\uff1a<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30001.&nbsp;<strong>\u5de5\u4f5c\u9891\u7387<\/strong>\uff1a<\/h3>\n\n\n\n<p>\u3000\u3000\u56db\u9891\uff1a850\/900\/1800\/1900MHz&nbsp;\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u53cc\u9891\uff1aEGSM900MHz\u548cGSM1800MHz&nbsp;\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30002.&nbsp;<strong>\u8f93\u51fa\u529f\u7387<\/strong>\uff1a<\/h3>\n\n\n\n<p>\u3000\u3000Class 4 (2W @ 850\/900MHz) \u548c Class 1 (1W @ 1800\/1900MHz)&nbsp;\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30003.&nbsp;<strong>\u529f\u8017<\/strong>\uff1a<\/h3>\n\n\n\n<p>\u3000\u3000\u4f4e\u529f\u8017\u8bbe\u8ba1\uff0c\u4f8b\u5982\u5728DRX=5\u65f6\u4e3a0.9mA&nbsp;\uff0c\u5178\u578b\u503c\u4e3a1.3mA&nbsp;\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30004.&nbsp;<strong>\u6570\u636e\u4f20\u8f93\u901f\u7387<\/strong>\uff1a<\/h3>\n\n\n\n<p>\u3000\u3000\u6700\u5927\u4e0b\u884c\/\u4e0a\u884c\u901f\u7387\uff1a85.6kbps&nbsp;\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30005.&nbsp;<strong>\u5c3a\u5bf8\u548c\u91cd\u91cf<\/strong>\uff1a<\/h3>\n\n\n\n<p>\u3000\u3000\u5c3a\u5bf8\uff1a\u5982 Quectel M35\u4e3a23.6mm x 19.9mm x 2.65mm&nbsp;;SIM800C\u4e3a17.615.72.3mm&nbsp;;SIM800L\u4e3a15.817.82.4mm&nbsp;\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u91cd\u91cf\uff1a\u5982 Quectel M35\u9002\u4e2d&nbsp;\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30006.&nbsp;<strong>\u7535\u6e90\u8303\u56f4<\/strong>\uff1a<\/h3>\n\n\n\n<p>\u3000\u3000\u5982 Quectel M35\u4e3a3.3V~4.6V&nbsp;;\u5176\u4ed6\u6a21\u5757\u53ef\u80fd\u652f\u6301\u66f4\u5bbd\u7684\u7535\u538b\u8303\u56f4\uff0c\u59825V\u81f330V&nbsp;\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30007.&nbsp;<strong>\u5de5\u4f5c\u6e29\u5ea6\u8303\u56f4<\/strong>\uff1a<\/h3>\n\n\n\n<p>\u3000\u3000-40\u00b0C ~ +85\u00b0C&nbsp;\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30008.&nbsp;<strong>\u63a5\u53e3\u548c\u5c01\u88c5<\/strong>\uff1a<\/h3>\n\n\n\n<p>\u3000\u3000\u63a5\u53e3\uff1aRS232\u3001RS485\u7b49&nbsp;\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u5c01\u88c5\uff1aLCC\u3001\u57ce\u5821\u5b54\u3001LGA\u7b49&nbsp;\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30009.&nbsp;<strong>\u5176\u4ed6\u7279\u6027<\/strong>\uff1a<\/h3>\n\n\n\n<p>\u3000\u3000\u652f\u6301\u591a\u79cd\u7f16\u7801\u65b9\u6848\u548c\u534f\u8bae\uff0c\u5982CS 1. 2. 3. 4.PPP-stack\uff0cCSD up to 14.4 kbps\uff0cUSSD\u7b49&nbsp;\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u652f\u6301\u70b9\u5bf9\u70b9\u77ed\u4fe1\u6536\u53d1\u548c\u8702\u7a9d\u5e7f\u64ad\u6d88\u606f&nbsp;\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u652f\u6301\u84dd\u72593.0+EDR&nbsp;\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u4f7f\u7528AT\u547d\u4ee4\u63a7\u5236&nbsp;\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e09\u3001 4G\u6a21\u5757\u652f\u6301\u7684\u7f51\u7edc\u9891\u8c31\u8303\u56f4\u5177\u4f53\u5305\u62ec\u54ea\u4e9b?<\/h2>\n\n\n\n<p>\u3000\u30004G\u6a21\u5757\u652f\u6301\u7684\u7f51\u7edc\u9891\u8c31\u8303\u56f4\u5177\u4f53\u5305\u62ec\u4ee5\u4e0b\u9891\u6bb5\uff1a<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30001.&nbsp;<strong>FDD-LTE\u9891\u6bb5<\/strong>\uff1a<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000Band 1\uff1a1920-1980MHz(\u53d1\u5c04)\/2110-2170MHz(\u63a5\u6536)<\/li>\n\n\n\n<li>\u3000\u3000Band 3\uff1a1710-1785MHz(\u53d1\u5c04)\/1805-1880MHz(\u63a5\u6536)<\/li>\n\n\n\n<li>\u3000\u3000Band 7\uff1a2620-2690MHz(\u53d1\u5c04)\/2500-2570MHz(\u63a5\u6536)<\/li>\n\n\n\n<li>\u3000\u3000Band 8\uff1a935-960MHz(\u53d1\u5c04)\/1710-1785MHz(\u63a5\u6536)<\/li>\n\n\n\n<li>\u3000\u3000Band 20\uff1a1490-1510MHz(\u53d1\u5c04)\/935-960MHz(\u63a5\u6536)<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30002.&nbsp;<strong>TDD-LTE\u9891\u6bb5<\/strong>\uff1a<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000Band 38\uff1a2550-2690MHz(\u53d1\u5c04)\/2300-2400MHz(\u63a5\u6536)<\/li>\n\n\n\n<li>\u3000\u3000Band 40\uff1a2300-2400MHz(\u53d1\u5c04)\/2110-2200MHz(\u63a5\u6536)<\/li>\n\n\n\n<li>\u3000\u3000Band 41\uff1a2550-2690MHz(\u53d1\u5c04)\/2300-2400MHz(\u63a5\u6536)<\/li>\n<\/ul>\n\n\n\n<p>\u3000\u3000\u8fd9\u4e9b\u9891\u6bb5\u6db5\u76d6\u4e86\u4e0d\u540c\u7684\u56fd\u5bb6\u548c\u5730\u533a\uff0c\u4f8b\u5982\u7f8e\u56fd\u548c\u52a0\u62ff\u5927\u652f\u6301600\/700\/850 MHz\u30011700\/1900 MHz\u4ee5\u53ca2300\/2600 MHz\u7b49\u9891\u6bb5\uff0c\u800c\u6b27\u6d32\u5219\u652f\u6301450\/800\/900 MHz\u548c1800\/2100 MHz\u7b49\u9891\u6bb5\u3002\u6b64\u5916\uff0c\u4e2d\u56fd\u79fb\u52a8\u76844G\u9891\u6bb5\u5305\u62ec38\u300139\u300140\u300141\u53f7\u9891\u6bb5\uff0c\u5176\u4e2d39\u53f7\u9891\u6bb5\u662f\u4e2d\u56fd\u79fb\u52a84G\u7684\u4e3b\u529b\u9891\u6bb5\u4e4b\u4e00\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u56db\u3001 GPRS\u4e0e4G\u5728\u6570\u636e\u4f20\u8f93\u901f\u5ea6\u4e0a\u7684\u5dee\u5f02?<\/h2>\n\n\n\n<p>\u3000\u3000GPRS(\u901a\u7528\u5206\u7ec4\u65e0\u7ebf\u670d\u52a1)\u548c4G(\u7b2c\u56db\u4ee3\u79fb\u52a8\u901a\u4fe1\u6280\u672f)\u5728\u6570\u636e\u4f20\u8f93\u901f\u5ea6\u4e0a\u5b58\u5728\u663e\u8457\u5dee\u5f02\u3002\u6839\u636e\u641c\u7d22\u7ed3\u679c\u4e2d\u7684\uff0cGPRS\u7684\u6700\u9ad8\u4e0b\u8f7d\u901f\u5ea6\u4e3a\u6bcf\u79d240\u5343\u4f4d(\u7ea6500 Kbps)\uff0c\u800c\u4e0a\u4f20\u901f\u5ea6\u4e3a\u6bcf\u79d220\u5343\u4f4d(\u7ea6250 Kbps)\u3002\u7136\u800c\uff0c\u8fd9\u4e9b\u4fe1\u606f\u4e0e\u4e2d\u63d0\u5230\u7684GPRS\u901f\u5ea6\u76f8\u77db\u76fe\uff0c\u540e\u8005\u58f0\u79f0GPRS\u7684\u6570\u636e\u4f20\u8f93\u901f\u7387\u53ef\u4ee5\u8fbe\u5230\u6bcf\u79d25\u5409\u6bd4\u7279(Gbps)\uff0c\u53735000 Mbps\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u8003\u8651\u5230\u7684\u4fe1\u606f\u4e0e\u5176\u4ed6\u8d44\u6599\u4e0d\u4e00\u81f4\uff0c\u4e14\u6ca1\u6709\u63d0\u4f9b\u5177\u4f53\u7684\u6765\u6e90\u6216\u8be6\u7ec6\u7684\u6280\u672f\u89c4\u683c\u6765\u652f\u6301\u5176\u58f0\u660e\uff0c\u6211\u4eec\u53ef\u4ee5\u5408\u7406\u63a8\u65ad\uff0c\u4e2d\u7684\u4fe1\u606f\u53ef\u80fd\u4e0d\u51c6\u786e\u6216\u88ab\u8bef\u89e3\u3002\u56e0\u6b64\uff0c\u57fa\u4e8e\u591a\u6570\u8bc1\u636e\u7684\u4e00\u81f4\u6027\uff0c\u6211\u4eec\u53ef\u4ee5\u5f97\u51fa\u7ed3\u8bba\uff1a<\/p>\n\n\n\n<p>\u3000\u3000GPRS\u7684\u6700\u9ad8\u4e0b\u8f7d\u901f\u5ea6\u5927\u7ea6\u4e3a\u6bcf\u79d2500 Kbps\uff0c\u4e0a\u4f20\u901f\u5ea6\u7ea6\u4e3a\u6bcf\u79d2250 Kbps\u3002<\/p>\n\n\n\n<p>\u3000\u3000\u76f8\u6bd4\u4e4b\u4e0b\uff0c4G\u6280\u672f\u7684\u4e0b\u8f7d\u548c\u4e0a\u4f20\u901f\u5ea6\u8981\u5feb\u5f97\u591a\uff0c\u4f46\u5177\u4f53\u6570\u503c\u672a\u5728\u641c\u7d22\u7ed3\u679c\u4e2d\u660e\u786e\u7ed9\u51fa\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u3000\u3000\u4e94\u3001 GPRS\u548c4G\u6280\u672f\u5728\u7269\u8054\u7f51\u5e94\u7528\u4e2d\u7684\u4f18\u52bf\u548c\u5c40\u9650\u6027\u5206\u522b\u662f\u4ec0\u4e48?<\/h2>\n\n\n\n<p>\u3000\u3000\u5728\u7269\u8054\u7f51\u5e94\u7528\u4e2d\uff0cGPRS\u548c4G\u6280\u672f\u5404\u6709\u5176\u4f18\u52bf\u548c\u5c40\u9650\u6027\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30001. GPRS\u6280\u672f\u7684\u4f18\u52bf\uff1a<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u3000\u3000<strong>\u9ad8\u901f\u6570\u636e\u4f20\u8f93<\/strong>\uff1a\u867d\u7136GPRS\u7684\u6570\u636e\u4f20\u8f93\u901f\u5ea6\u8f834G\u6162\uff0c\u4f46\u76f8\u6bd4\u4f20\u7edf\u8702\u7a9d\u7f51\u7edc\u4ecd\u6709\u4e00\u5b9a\u4f18\u52bf\uff0c\u9002\u7528\u4e8e\u4e2d\u9ad8\u901f\u6570\u636e\u4f20\u8f93\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u957f\u8ddd\u79bb\u4f20\u8f93\u4e0e\u5168\u7403\u8986\u76d6<\/strong>\uff1aGPRS\u5177\u6709\u5e7f\u6cdb\u7684\u8986\u76d6\u8303\u56f4\uff0c\u53ef\u4ee5\u5728\u6709GSM\u4fe1\u53f7\u7684\u5730\u65b9\u4f7f\u7528\uff0c\u5e76\u4e14\u7ec8\u7aef\u8bbe\u5907\u53ef\u4ee5\u81ea\u7531\u6f2b\u6e38\uff0c\u65e0\u9700\u989d\u5916\u5f00\u53d1\u5176\u4ed6\u529f\u80fd\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u4f4e\u529f\u8017<\/strong>\uff1aGPRS\u6a21\u5757\u901a\u5e38\u5177\u6709\u8f83\u4f4e\u7684\u529f\u8017\uff0c\u9002\u5408\u9700\u8981\u957f\u65f6\u95f4\u8fd0\u884c\u7684\u5e94\u7528\u573a\u666f\u3002<\/li>\n\n\n\n<li>\u3000\u3000<strong>\u7a33\u5b9a\u53ef\u9760<\/strong>\uff1aGPRS\u63d0\u4f9b\u7a33\u5b9a\u7684\u901a\u8baf\u8fde\u63a5\uff0c\u9002\u7528\u4e8e\u9700\u8981\u5b9e\u65f6\u5728\u7ebf\u76d1\u63a7\u548c\u63a7\u5236\u7684\u7269\u8054\u7f51\u5e94\u7528\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u3000\u30002. 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