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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="2vcjmdf" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="2c3wyax" class="box"><p><p style="text-indent:25px">BLE藍(lán)牙模塊屏蔽罩的作用：手機(jī)、GPS、無線模塊電子產(chǎn)品的主板很多元件上方都焊有由金屬支架和金屬蓋組合在一起起到屏蔽作用的屏蔽罩。目前，藍(lán)牙模塊上使用一體式屏蔽罩比較多，簡單性價(jià)比高，在PCB板上屏蔽靜電等對電子元件起保護(hù)作用。?屏蔽罩的原理：用屏蔽體將元部件，電路，組合件，電纜或整個(gè)系統(tǒng)的干擾源包圍起來，防止干擾電磁場向外擴(kuò)散;用屏蔽體將接收電路，設(shè)備或系統(tǒng)包圍起來，防止它們受到外界電磁場的影響。要想提升無線控制距離，無錫好用的ble藍(lán)牙芯片，單純追求高靈敏度或者增加發(fā)射端的發(fā)射功率不能完全增加控制距離，因?yàn)樵趯?shí)際應(yīng)用中會(huì)有供電，無錫好用的ble藍(lán)牙芯片、工作環(huán)境中的電磁干擾或者電源紋波干擾等因素存在，因此要綜合考慮RF接收端各類抗干擾能力。在BLE藍(lán)牙模塊上，無錫好用的ble藍(lán)牙芯片，應(yīng)選擇合理的元器件，特別是選擇硬件抗干擾方法的過程中。無錫好用的ble藍(lán)牙芯片</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="無錫好用的ble藍(lán)牙芯片,BLE藍(lán)牙模塊" src="https://tyunfile.71360.com/UploadFile/shpsdzkj/637345501660625000/1490191.png"></div><p style="text-indent:25px">藍(lán)牙4.2BLE模塊：藍(lán)牙4.2版本改善了數(shù)據(jù)傳輸速度和隱私保護(hù)程度，可直接通過IPv6和6LoWPAN接入互聯(lián)網(wǎng)。在新的標(biāo)準(zhǔn)下藍(lán)牙信號想要連接或者追蹤用戶設(shè)備必須經(jīng)過用戶許可，否則藍(lán)牙信號將無法連接和追蹤用戶設(shè)備。速度方面變得更加快速，兩部藍(lán)牙設(shè)備之間的數(shù)據(jù)傳輸速度提高了2.5倍，因?yàn)樗{(lán)牙智能數(shù)據(jù)包的容量提高，其可容納的數(shù)據(jù)量相當(dāng)于此前的10倍左右。藍(lán)牙5.0BLE模塊：藍(lán)牙5.0在低功耗技術(shù)(BLE)可提供2倍的傳輸速率、8倍的廣播能力、4倍的覆蓋范圍，尤其藍(lán)牙5.0還針對物聯(lián)網(wǎng)進(jìn)行了底層優(yōu)化，力求以更低的功耗和更強(qiáng)的性能為物聯(lián)網(wǎng)服務(wù)，因此，越來越多的物聯(lián)網(wǎng)應(yīng)用、智能家居方案開始將藍(lán)牙模塊納入選型范圍內(nèi)。西寧電視藍(lán)牙模塊去哪買BLE藍(lán)牙模塊，是一種集成藍(lán)牙功能的PCBA板，用于短距離無線通訊。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="無錫好用的ble藍(lán)牙芯片,BLE藍(lán)牙模塊" src="https://tyunfile.71360.com/UploadFile/shpsdzkj/637345502331250000/9246697.png"></div><p style="text-indent:25px">隨著無線產(chǎn)品的應(yīng)用越來越普遍，其中常用的就是藍(lán)牙無線技術(shù)了，但現(xiàn)在其實(shí)很多環(huán)境因素都有一定的干擾，無線模塊的抗干擾能力是無法進(jìn)行具體數(shù)值化，所以一般也不會(huì)寫入規(guī)格書。同一發(fā)射功率和接收靈敏度的條件下，那么抗干擾能力更強(qiáng)的可以傳輸?shù)木嚯x會(huì)更遠(yuǎn)。相同頻段或者惡劣環(huán)境也能對它產(chǎn)生很不好的干擾，在能不改變環(huán)境的情況，我們能操作什么？?在BLE藍(lán)牙模塊上，應(yīng)選擇合理的元器件，特別是選擇硬件抗干擾方法的過程中，應(yīng)當(dāng)以系統(tǒng)相關(guān)的參數(shù)為基礎(chǔ)來進(jìn)行相關(guān)元器件的選擇，這樣會(huì)極大的提供整個(gè)系統(tǒng)的干擾性能。</p><p style="text-indent:25px">在物聯(lián)網(wǎng)產(chǎn)業(yè)中，藍(lán)牙或許是無線通訊應(yīng)用中較好的選擇，原因是基于藍(lán)牙技術(shù)受眾面廣闊，以低功耗、智能化、低成本等特性，在物聯(lián)網(wǎng)應(yīng)用市場中占據(jù)主要的位置。而藍(lán)牙模塊正是集成了藍(lán)牙功能的PCBA板，一般是由PCB板、芯片、**元器件構(gòu)成，用于代替數(shù)據(jù)線纜來進(jìn)行小范圍的短距離無線通訊。然而，你真的了解藍(lán)牙模塊么？藍(lán)牙模塊（Bluetoothmodule）是指集成藍(lán)牙功能的芯片基本電路**，用于短距離2.4G的無線通訊模塊。對于用戶來說，藍(lán)牙模塊是半成品，通過在模塊的基礎(chǔ)上功能再開發(fā)、封裝外殼等工序，實(shí)現(xiàn)能夠利用藍(lán)牙通訊的產(chǎn)品。藍(lán)牙模塊細(xì)分為多種類型，不同類型的價(jià)格、定位、功能各有不同。如果發(fā)射和接收相對的方向有很多障礙物，BLE藍(lán)牙模塊輸?shù)男盘柧蛶缀鯖]有穿透的可能。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="無錫好用的ble藍(lán)牙芯片,BLE藍(lán)牙模塊" src="https://tyunfile.71360.com/UploadFile/shpsdzkj/637345501746123047/9180480.png"></div><p style="text-indent:25px">BLE藍(lán)牙模塊芯片極小，可以直接嵌入數(shù)字電表中。其工作采用2400～2483.5MHz的ISM(工業(yè)、科學(xué)和醫(yī)學(xué))頻段，這是因?yàn)樵擃l段內(nèi)沒有其它系統(tǒng)的固定信號干擾，同時(shí)頻段向公眾開放，頻段在全球范圍內(nèi)有效。但同時(shí)ISM頻段作為開放頻段，使用其中的任何頻段都會(huì)遇到不可預(yù)測的隨機(jī)干擾源(如某些家用電器、無繩電話和汽車開門器等)。因此，對外部和其它藍(lán)牙用戶的干擾源用不同的技術(shù)加以處理。如：采用跳頻技術(shù)，抗信號衰落;采用快跳頻和短分組技術(shù)，減少同頻干擾，保證傳輸?shù)目煽啃?采用前向糾錯(cuò)(FEC)編碼技術(shù)，減少遠(yuǎn)距離傳輸時(shí)的隨機(jī)噪聲影響;采用FM調(diào)制方式，降低設(shè)備的復(fù)雜性等。目前藍(lán)牙技術(shù)的傳輸速率設(shè)計(jì)為1MHz，以時(shí)分方式進(jìn)行全雙工通信，其基帶協(xié)議是電路交換和分組交換的組合，完全滿足電表收費(fèi)中的實(shí)時(shí)性的要求。BLE藍(lán)牙模塊多連接功能：藍(lán)牙可以同時(shí)連接多種設(shè)備，主模式的時(shí)候可連接多個(gè)從模塊。無錫好用的ble藍(lán)牙芯片</p><p style="text-indent:25px">BLE藍(lán)牙模塊可穿透性：藍(lán)牙信號可以穿透多數(shù)非金屬物體。無錫好用的ble藍(lán)牙芯片</p><p style="text-indent:25px">BLE藍(lán)牙模塊可穿透性：藍(lán)牙信號可以穿透多數(shù)非金屬物體。BLE藍(lán)牙模塊傳輸安全：通過定制的加***算法和認(rèn)證鑒權(quán)機(jī)制，保證傳輸?shù)陌踩?。BLE藍(lán)牙模塊部署快：有線通訊方式的建立必須架設(shè)電纜，或挖掘電纜溝，因此需要大量的人力和物力，相比之下用藍(lán)牙模塊建立**無線數(shù)據(jù)傳輸方式，節(jié)省了人力物力，投資是相當(dāng)節(jié)省的。?BLE藍(lán)牙模塊應(yīng)用領(lǐng)域：水、電、氣等無線抄表系統(tǒng);樓宇自動(dòng)化、安防、機(jī)房設(shè)備無線監(jiān)控、門禁系統(tǒng);無線呼叫系統(tǒng)、無線排隊(duì)機(jī)、醫(yī)療器皿;遙控開關(guān)，調(diào)光調(diào)色照明，門鎖，窗簾，溫濕度計(jì)，智能秤等;無線數(shù)據(jù)傳輸，自動(dòng)化數(shù)據(jù)采集系統(tǒng)(SCADA系統(tǒng));無線LED顯示屏、搶答器等、智能交通;胎壓檢測，汽車自動(dòng)鎖，數(shù)據(jù)采集監(jiān)控；運(yùn)動(dòng)手環(huán)，計(jì)步器，運(yùn)動(dòng)計(jì)量。無錫好用的ble藍(lán)牙芯片</p><p style="text-indent:25px">上海磐笙電子科技有限公司總部位于羅城路530號住大商務(wù)樓A樓403室，是一家從事電子科技專業(yè)領(lǐng)域內(nèi)的技術(shù)開發(fā)、技術(shù)咨詢、技術(shù)轉(zhuǎn)讓、技術(shù)服務(wù)，計(jì)算機(jī)軟硬件的研發(fā)，電子產(chǎn)品、儀器儀表、電子元器件、電氣設(shè)備、數(shù)碼產(chǎn)品、日用百貨、塑料制品、計(jì)算機(jī)軟硬件及輔助設(shè)備的銷售，從事貨物及技術(shù)的進(jìn)出口業(yè)務(wù)的公司。公司自創(chuàng)立以來，投身于藍(lán)牙模塊，433M無線通訊模塊，SIMcom模塊，華大單片機(jī)，是電子元器件的主力軍。磐笙電子始終以本分踏實(shí)的精神和必勝的信念，影響并帶動(dòng)團(tuán)隊(duì)取得成功。磐笙電子始終關(guān)注自身，在風(fēng)云變化的時(shí)代，對自身的建設(shè)毫不懈怠，高度的專注與執(zhí)著使磐笙電子在行業(yè)的從容而自信。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/1947911.html</p></div></div></div></div></div><div id="yszbikw" class="page-right twoColRt"><div id="gahjq3a" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="o8qgip3" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img src="http://tyunfile.71360.com/UpLoadFile/2019/11/1/14/637082168864691056_lgpj_5374157.jpg" alt="福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)" class="vcenter" 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