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href="http://www.cdcfah.com/zh/"><span>展會(huì)信息</span></a></li></ul></div></nav><section class="wrap clearfix"><section class="container clearfix tcPro"><section class="home-main container clearfix"><div id="fs3bekf" class="twoCol"><div id="8dhghcn" class="page-proshow clearfix"><p class="current"> 當(dāng)前位置:<a href="http://www.cdcfah.com/">首頁(yè)?<a href="http://www.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a>?<a href="http://www.cdcfah.com/cp/second-_txcp/">通信產(chǎn)品</a>?<a href="http://www.cdcfah.com/cp/third-txcp_kctxcp/">庫(kù)存通訊產(chǎn)品</a>?揚(yáng)州通用433mhz無(wú)線(xiàn)通訊模塊真誠(chéng)推薦上海磐笙電子科技供應(yīng)</p><div id="mu53832" class="leftbox clearfix"><h1>揚(yáng)州通用433mhz無(wú)線(xiàn)通訊模塊真誠(chéng)推薦上海磐笙電子科技供應(yīng)</h1><div id="ebepk3y" class="proBig"><div id="l7h7nmx" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shpsdzkj/637345502782919922/9722951.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="gech7tz" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shpsdzkj/637345502782919922/9722951.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="vkn3grm" 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>揚(yáng)州通用433mhz無(wú)線(xiàn)通訊模塊,433M無(wú)線(xiàn)通訊模塊</p><p><span>***更新：</span>2021-01-17 10:14:08</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="vd24ezk" 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(huà): </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(xiàn)] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="bu54sd3" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="4wgmrzb" class="box"><p><p style="text-indent:25px">接收模塊工作時(shí)一般輸出的是高電平脈沖，不是直流電平，所以不能用萬(wàn)用表測(cè)試，調(diào)試時(shí)可用一個(gè)發(fā)光二極管串接一個(gè)3K的電阻來(lái)監(jiān)測(cè)模塊的輸出狀態(tài)。無(wú)線(xiàn)數(shù)據(jù)模塊和PT2262/PT2272等**編解碼芯片使用時(shí)，連接很簡(jiǎn)單只要直接連接即可，傳輸距離比較理想，一般能達(dá)到600米以上，揚(yáng)州通用433mhz無(wú)線(xiàn)通訊模塊，如果和單片機(jī)或者微機(jī)配合使用時(shí)，會(huì)受到單片機(jī)或者微機(jī)的時(shí)鐘干擾，造成傳輸距離明顯下降，一般實(shí)用距離在200米以?xún)?nèi)。采用CPU編譯碼可在數(shù)據(jù)識(shí)別位前加一些亂碼以控制零電平干擾，揚(yáng)州通用433mhz無(wú)線(xiàn)通訊模塊，揚(yáng)州通用433mhz無(wú)線(xiàn)通訊模塊。同步碼主要用于區(qū)別于前導(dǎo)碼及數(shù)據(jù)。有一定的特征，好讓軟件能夠通過(guò)一定的算法鑒別出同步碼，同時(shí)對(duì)接收數(shù)據(jù)做好準(zhǔn)備。無(wú)線(xiàn)收發(fā)模塊輸出端的波形在沒(méi)有信號(hào)時(shí)比較干凈。揚(yáng)州通用433mhz無(wú)線(xiàn)通訊模塊</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="揚(yáng)州通用433mhz無(wú)線(xiàn)通訊模塊,433M無(wú)線(xiàn)通訊模塊" src="https://tyunfile.71360.com/UploadFile/shpsdzkj/637345502782919922/9722951.png"></div><p style="text-indent:25px">315M無(wú)線(xiàn)模塊和433M無(wú)線(xiàn)模塊的對(duì)比：315M的波長(zhǎng)比433的長(zhǎng)些，天線(xiàn)也比433的長(zhǎng)些，方向性沒(méi)有433M的強(qiáng)，當(dāng)它的繞性好，315M的穿透能力比433M的弱些。433M無(wú)線(xiàn)模塊和2.4G無(wú)線(xiàn)模塊的對(duì)比：2.4G模塊型號(hào)傳輸距離短，(一般10~30米，確實(shí)通訊距離10米)，傳輸進(jìn)程衰減大，信號(hào)穿透、繞射能力弱，信號(hào)輕易被物體遮擋。433M無(wú)線(xiàn)模塊信號(hào)強(qiáng)，傳輸距離長(zhǎng)、穿透、繞射能力強(qiáng)，傳輸進(jìn)程衰減減小。2.4G和433M是國(guó)內(nèi)免許可的ISM(工業(yè)、科學(xué)、醫(yī)學(xué))開(kāi)放頻段，不需要向當(dāng)?shù)氐臒o(wú)線(xiàn)電管理申請(qǐng)授權(quán)，一般國(guó)內(nèi)常使用的是433MHz無(wú)線(xiàn)模塊。揚(yáng)州通用433mhz無(wú)線(xiàn)通訊模塊433M無(wú)線(xiàn)通訊模塊不必考慮編碼電路的工作電壓和輸出幅度信號(hào)值的大小。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="揚(yáng)州通用433mhz無(wú)線(xiàn)通訊模塊,433M無(wú)線(xiàn)通訊模塊" src="https://tyunfile.71360.com/UploadFile/shpsdzkj/637345503264882813/3206863.png"></div><p style="text-indent:25px">無(wú)線(xiàn)發(fā)射與接收模塊的優(yōu)勢(shì)：1.安裝維護(hù)方便、繞射能力強(qiáng)、組網(wǎng)結(jié)構(gòu)靈活、大范圍覆蓋。無(wú)線(xiàn)接收發(fā)射模塊適合于點(diǎn)多而分散、地理環(huán)境復(fù)雜等應(yīng)用場(chǎng)合，可普遍應(yīng)用于水文、油田、電力、交通、氣象、環(huán)保、保安、銀行、稅務(wù)、報(bào)警、GPS定位信息回傳、GIS等領(lǐng)域的監(jiān)控、采集數(shù)據(jù)的實(shí)時(shí)傳送，滿(mǎn)足客戶(hù)對(duì)于數(shù)據(jù)實(shí)時(shí)性、準(zhǔn)確性的要求，降低人員勞動(dòng)強(qiáng)度和企業(yè)運(yùn)營(yíng)成本。2.簡(jiǎn)單易用的硬件接口功能。無(wú)線(xiàn)接收發(fā)射模塊可以將模塊用2.54mm腳距的排針焊在主板上,可方便的與232接口實(shí)現(xiàn)串口數(shù)據(jù)傳輸。同時(shí)也提供了簡(jiǎn)單易懂的傻瓜軟件包下載及技術(shù)支持，客戶(hù)不需要再為復(fù)雜的寄存器配制而浪費(fèi)時(shí)間和精力,這樣可以縮短2.4G產(chǎn)品的應(yīng)用研發(fā)周期，降低開(kāi)發(fā)難度，節(jié)約研發(fā)成本。3.性?xún)r(jià)比高。無(wú)線(xiàn)接收發(fā)射模塊可以在很多地方運(yùn)用，其發(fā)射模塊與接收模塊均只有大拇指大小，為業(yè)界微型的模塊之一。</p><p style="text-indent:25px">接收模塊的工作電壓為5伏，靜態(tài)電流4毫安，它為超再生接收電路，接收靈敏度為－105dbm，接收天線(xiàn)較好為25～30厘米的導(dǎo)線(xiàn)，建議能豎立起來(lái)。接收模塊本身不帶解碼集成電路，因此接收電路*是一種組件，只有應(yīng)用在具體電路中進(jìn)行二次開(kāi)發(fā)才能發(fā)揮應(yīng)有的作用，這種設(shè)計(jì)有很多優(yōu)點(diǎn)，它可以和各種解碼電路或者單片機(jī)配合，設(shè)計(jì)電路靈活方便。電路優(yōu)點(diǎn)：1、天線(xiàn)輸入端有選頻電路，而不依賴(lài)1/4波長(zhǎng)天線(xiàn)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(xiàn)。2、輸出端的波形在沒(méi)有信號(hào)比較干凈，干擾信號(hào)為短暫的針狀脈沖，而不象其它超再生接收電路會(huì)產(chǎn)生密集的噪聲波形，所以抗干擾能力較強(qiáng)。一些人為了減少傳輸時(shí)間，把433無(wú)線(xiàn)模塊的速率提升，這樣會(huì)導(dǎo)致傳輸距離減少。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="揚(yáng)州通用433mhz無(wú)線(xiàn)通訊模塊,433M無(wú)線(xiàn)通訊模塊" src="https://tyunfile.71360.com/UploadFile/shpsdzkj/637345503498222656/2951770.png"></div><p style="text-indent:25px">無(wú)線(xiàn)接收發(fā)射模塊的接收機(jī)的靈敏度與收發(fā)環(huán)境有關(guān)，不同的收發(fā)環(huán)境會(huì)有不同的收發(fā)距離，它能夠直接代替有線(xiàn)的RS485網(wǎng)，是一款低價(jià)格、高性能的ASK/OOK(ON-OFFKeyed)無(wú)線(xiàn)接收模塊，主要應(yīng)用與無(wú)線(xiàn)遙控接收領(lǐng)域。與其它超外差接收模塊比較，帶有濾波芯片、具有價(jià)格便宜，性能好穩(wěn)定特點(diǎn)。靈敏度能達(dá)到-120dBm,增加了接收距離。功耗低。無(wú)線(xiàn)接收發(fā)射數(shù)據(jù)模塊采用ASK方式調(diào)制，以降低功耗，當(dāng)數(shù)據(jù)信號(hào)停止時(shí)發(fā)射電流降為零，數(shù)據(jù)信號(hào)與發(fā)射模塊輸入端可以用電阻或者直接連接而不能用電容耦合，否則發(fā)射模塊將不能正常工作。數(shù)據(jù)電平應(yīng)接近數(shù)據(jù)模塊的實(shí)際工作電壓，以獲得較高的調(diào)制效果。無(wú)線(xiàn)發(fā)射接收模塊還可以用于通用串口(RS232無(wú)線(xiàn)數(shù)據(jù)傳輸。揚(yáng)州通用433mhz無(wú)線(xiàn)通訊模塊</p><p style="text-indent:25px">接收模塊本身不帶解碼集成電路。揚(yáng)州通用433mhz無(wú)線(xiàn)通訊模塊</p><p style="text-indent:25px">433m無(wú)線(xiàn)模塊的天線(xiàn)選擇：433m無(wú)線(xiàn)模塊耗低，功能強(qiáng)大，被普遍應(yīng)用于機(jī)器人控制，智能家居，無(wú)線(xiàn)抄表等領(lǐng)域，產(chǎn)品是工業(yè)級(jí)設(shè)計(jì)，適用于室外低劣環(huán)境。當(dāng)模塊在使用中發(fā)現(xiàn)距離不夠的時(shí)候，經(jīng)常建議選用符合的天線(xiàn)，以達(dá)到增加通信距離的目的。那么433無(wú)線(xiàn)模塊用哪種天線(xiàn)好?天線(xiàn)是通信系統(tǒng)的重要組成部分，它性能的好壞直接影響通信系統(tǒng)的指標(biāo)，在挑選天線(xiàn)的時(shí)候一定要注重其性能，另外天線(xiàn)的增益是天線(xiàn)的重要指標(biāo)之一，它是方向系數(shù)與效率的乘積，是天線(xiàn)輻射或接收電波大小的表現(xiàn)。揚(yáng)州通用433mhz無(wú)線(xiàn)通訊模塊</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/2887537.html</p></div></div></div></div></div><div id="bpsndto" class="page-right twoColRt"><div id="7fvqbl8" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="8yz8ojk" 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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