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container clearfix"><div id="deqkgxm" class="twoCol"><div id="2sac2hy" class="page-proshow clearfix"><p class="current"> 當(dāng)前位置:<a href="http://m.cdcfah.com/">首頁(yè)?<a href="http://m.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a>?<a href="http://m.cdcfah.com/cp/second-_txcp/">通信產(chǎn)品</a>?<a href="http://m.cdcfah.com/cp/third-txcp_qtwxwlsb/">其他無(wú)線網(wǎng)絡(luò)設(shè)備</a>?北京SIMcom無(wú)線通訊模塊專業(yè)生產(chǎn) 客戶至上上海磐笙電子科技供應(yīng)</p><div id="bqiphtk" class="leftbox clearfix"><h1>北京SIMcom無(wú)線通訊模塊專業(yè)生產(chǎn) 客戶至上上海磐笙電子科技供應(yīng)</h1><div id="nxugxub" class="proBig"><div id="2lse7ph" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shpsdzkj/637361258274082031/7540224.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="uebikrt" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shpsdzkj/637361258274082031/7540224.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="4sugdu3" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價(jià)格要求：</span>面議</p><p><span>所在地：</span>上海市</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>北京SIMcom無(wú)線通訊模塊專業(yè)生產(chǎn),代理SIMcom無(wú)線通訊模塊</p><p><span>***更新：</span>2020-12-26 10:19:54</p><p><span id="click" >瀏覽次數(shù)：0次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="smoq7ht" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">上海磐笙電子科技有限公司</a></p><p><span>聯(lián)系人：</span>丁白蘭</p><p><span>郵箱: </span>258787059@qq.com</p><p><span>電話: </span>15002148001</p><p><span>傳真: </span>021_</p><p><span>網(wǎng)址: </span>http://www.panshion.cn</p><p><span>手機(jī): </span>021-31775145</p><p><span>地址: </span>羅城路530號(hào)住大商務(wù)樓A樓403室</p><p>[當(dāng)前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="foam78z" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="3ovxegn" class="box"><p><p style="text-indent:25px">當(dāng)要把相距數(shù)公里到數(shù)十公里距離的遠(yuǎn)程站點(diǎn)相互連接通訊的時(shí)候，采用有線的方式，必須架設(shè)長(zhǎng)距離的電纜或者挖掘漫長(zhǎng)的電纜溝，北京SIMcom無(wú)線通訊模塊專業(yè)生產(chǎn)，這個(gè)工程周期可能就需要數(shù)個(gè)月的時(shí)間，而用數(shù)傳模塊建立**無(wú)線數(shù)據(jù)傳輸?shù)姆绞?，只需要架設(shè)適當(dāng)高度的天線，工程周期只需要幾天或者幾周就可以，相比之下，無(wú)線的方式可以迅速組建起通信鏈路。有線通訊的局限性太大，在遇到一些特殊的應(yīng)用環(huán)境，比如遇到山地、湖泊、林區(qū)等特殊的地理環(huán)境或是移動(dòng)物體等布線比較困難的應(yīng)用環(huán)境的時(shí)候，將對(duì)有線網(wǎng)絡(luò)的布線工程有著極強(qiáng)的制約力，而用無(wú)線數(shù)傳模塊建立**無(wú)線數(shù)據(jù)傳輸方式將不受這些限制，所以說(shuō)用無(wú)線數(shù)傳模塊建立**無(wú)線數(shù)據(jù)傳輸方式將比有線通訊有更好的更好的適應(yīng)性，北京SIMcom無(wú)線通訊模塊專業(yè)生產(chǎn)，北京SIMcom無(wú)線通訊模塊專業(yè)生產(chǎn)，幾乎不受地理環(huán)境限制。無(wú)線模塊當(dāng)發(fā)射電壓為3V時(shí)，空曠地傳輸距離約20～50米。北京SIMcom無(wú)線通訊模塊專業(yè)生產(chǎn)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="北京SIMcom無(wú)線通訊模塊專業(yè)生產(chǎn),代理SIMcom無(wú)線通訊模塊" src="https://tyunfile.71360.com/UploadFile/shpsdzkj/637361258274082031/7540224.png"></div><p style="text-indent:25px">SIMcom無(wú)線通訊模塊通迅故障可能因素有哪些？1.發(fā)送、接收模塊參數(shù)設(shè)置是否一致檢查一下頻段、編碼率、傳播因素、帶寬等參數(shù)是否設(shè)器一致。另外看一下天線是否與模塊頻段一致發(fā)射接收模塊在實(shí)際的應(yīng)用中，有時(shí)候會(huì)因?yàn)榈乩憝h(huán)境、距離等原因?qū)е滦盘?hào)通訊不良，需要配置天線增強(qiáng)信號(hào)，如果天線頻段與SIMcom無(wú)線通訊模塊頻段不一致時(shí)，也容易出現(xiàn)通訊故障。2、指示燈是否發(fā)生改變。發(fā)射接收模塊在通訊的過(guò)程當(dāng)中，一般正常情況下，發(fā)射模塊和接收模塊都會(huì)有指示燈亮，當(dāng)SIMcom無(wú)線通訊模塊通訊過(guò)程完成了，如果出線故障時(shí)可排查指示燈有無(wú)變化，通過(guò)指示燈變化狀態(tài)找出故障問(wèn)題。北京SIMcom無(wú)線通訊模塊專業(yè)生產(chǎn)溫度對(duì)代理 SIMcom無(wú)線通訊模塊塊的工作是有直接影響的。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="北京SIMcom無(wú)線通訊模塊專業(yè)生產(chǎn),代理SIMcom無(wú)線通訊模塊" src="https://tyunfile.71360.com/UploadFile/shpsdzkj/637361260791435547/9361366.png"></div><p style="text-indent:25px">由代理SIMcomm無(wú)線模塊做成的遙控器有哪些優(yōu)越？無(wú)線遙控器是一種用來(lái)遠(yuǎn)控機(jī)械的裝置?，F(xiàn)代的無(wú)線遙控器，主要是由集成電路電板和用來(lái)產(chǎn)生不同訊息的按鈕所組成。而客車(chē)門(mén)遙控器是采用較新技術(shù)編碼解碼，以閃斷方式控制門(mén)泵電磁閥以達(dá)到開(kāi)關(guān)自動(dòng)門(mén)的目的。用于客車(chē)(大巴、中巴)遙控開(kāi)、關(guān)車(chē)門(mén)，避免駕駛員每次都需要上車(chē)開(kāi)門(mén)的煩惱。無(wú)線遙控器具體有哪些優(yōu)越性呢？1、采用帶骨架的銅芯電感將頻率調(diào)整到315M后封固，這與采用可調(diào)電容調(diào)整接收頻率的電路相比，溫度、濕度穩(wěn)定性及抗機(jī)械振動(dòng)性能都有極大改善?？烧{(diào)電容調(diào)整精度較低，只有3/4圈的調(diào)整范圍，而可調(diào)電感可以做到多圈調(diào)整2、天線輸入端有選頻電路，而不依賴1/4波長(zhǎng)天線的選頻作用，控制距離較近時(shí)可以剪短甚至去掉外接天線。3、輸出端的波形相對(duì)比較干凈，干擾信號(hào)為短暫的針狀脈沖，所以抗干擾能力較強(qiáng)。4、DF模塊自身輻射極小，加上電路模塊背面網(wǎng)狀接地銅箔的屏蔽作用，可以減少自身振蕩的泄漏和外界干擾信號(hào)的侵入。</p><p style="text-indent:25px">無(wú)線通信模塊的天線架設(shè)高度要根據(jù)需要及實(shí)際應(yīng)用情況來(lái)確定，操作員則需考慮到無(wú)線通信模塊發(fā)射信號(hào)傳輸?shù)木嚯x遠(yuǎn)近、干擾情況等等。而且，操作員還需考慮到天線的構(gòu)造是否能夠能抗風(fēng)、抗腐蝕以及耐強(qiáng)烈的氣溫變化。一般來(lái)說(shuō)，無(wú)線通信模塊在實(shí)際的通訊環(huán)境中則存在著各種的干擾源，如電磁、電波等等，因此在同樣的發(fā)射功率與靈敏度下，抗干擾能力的強(qiáng)弱則對(duì)無(wú)線通信模塊的傳輸距離有著一定的影響。此外，無(wú)線通信模塊的接收靈敏度越高，通訊距離就越遠(yuǎn)。無(wú)線模塊的數(shù)據(jù)模塊采用ASK方式調(diào)制。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="北京SIMcom無(wú)線通訊模塊專業(yè)生產(chǎn),代理SIMcom無(wú)線通訊模塊" src="https://tyunfile.71360.com/WaterMark/UploadFile/shpsdzkj/637361261070195313/6291334.png"></div><p style="text-indent:25px">無(wú)線模塊的集成電路配接時(shí)，直接將它們的數(shù)據(jù)輸出端第十七腳接至數(shù)據(jù)模塊的輸入端即可。?數(shù)據(jù)模塊具有較寬的工作電壓范圍3～12V，當(dāng)電壓變化時(shí)發(fā)射頻率基本不變,和發(fā)射模塊配套的接收模塊無(wú)需任何調(diào)整就能穩(wěn)定地接收。當(dāng)發(fā)射電壓為3V時(shí)，空曠地傳輸距離約20～50米，發(fā)射功率較小，當(dāng)電壓5V時(shí)約100～200米，當(dāng)電壓9V時(shí)約300～500米，當(dāng)發(fā)射電壓為12V時(shí)，為適宜工作電壓，具有較好的發(fā)射效果，發(fā)射電流約60毫安，空曠地傳輸距離700～800米，發(fā)射功率約500毫瓦。無(wú)線模塊可以減少自身振蕩的泄漏和外界干擾信號(hào)的侵入。湖州SIMcom無(wú)線通訊模塊廠商</p><p style="text-indent:25px">當(dāng)代理 SIMcom無(wú)線通訊模塊塊在使用中發(fā)現(xiàn)距離不夠的時(shí)候，經(jīng)常建議選用符合的天線。北京SIMcom無(wú)線通訊模塊專業(yè)生產(chǎn)</p><p style="text-indent:25px">無(wú)線通信模塊的安裝則注重哪些要點(diǎn)呢？無(wú)線通信模塊的安裝注意事項(xiàng)：無(wú)線通信模塊的安裝要注意做防雷防水措施。雷雨天氣經(jīng)常遇到高壓大電流放電效應(yīng)，如果無(wú)裝備防雷保護(hù)的無(wú)線通信模塊則很容易受到雷電的影響，特別是需要架設(shè)天線的設(shè)備，一旦被雷電襲擊，通信線路將被中斷，高壓被引進(jìn)無(wú)線通信模塊系統(tǒng)后還會(huì)損壞內(nèi)部的控制電路，并會(huì)造成不可逆的破壞。因此，防雷防水措施則能在很大程度上保護(hù)無(wú)線通信模塊免受雷電襲擊，確保設(shè)備鏈路正常工作的有效措施。北京SIMcom無(wú)線通訊模塊專業(yè)生產(chǎn)</p></p><br /><p>文章來(lái)源地址: 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