433m無(wú)線通訊現(xiàn)價(jià) 誠(chéng)信互利上海磐笙電子科技供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺(tái)【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="無(wú)線發(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"><meta name="keywords" content="433m無(wú)線通訊現(xiàn)價(jià),433M無(wú)線通訊模塊"><link rel="canonical" href="http://www.cdcfah.com/"/><meta name="applicable-device" content="pc"><link rel="shortcut icon" href="/static/new_net_01/images/favicon.ico"><link rel="stylesheet" href="/static/new_net_01/css/slick.css" /><link rel="stylesheet" href="/static/new_net_01/css/addnew.css"><link rel="stylesheet" href="/static/new_net_01/css/sidenav.css"><link rel="stylesheet" href="/static/new_net_01/css/style.css" /><link rel="stylesheet" href="/static/new_net_01/css/tab.css"><link rel="stylesheet" href="/static/new_net_01/css/404.css"> 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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>?433m無(wú)線通訊現(xiàn)價(jià) 誠(chéng)信互利上海磐笙電子科技供應(yīng)</p><div id="theqmlh" class="leftbox clearfix"><h1>433m無(wú)線通訊現(xiàn)價(jià) 誠(chéng)信互利上海磐笙電子科技供應(yīng)</h1><div id="spgsj5w" class="proBig"><div id="7oztvpl" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shpsdzkj/637345503264882813/3206863.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="2ryfgpl" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shpsdzkj/637345503264882813/3206863.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="9xtlxdk" 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>433m無(wú)線通訊現(xiàn)價(jià),433M無(wú)線通訊模塊</p><p><span>***更新：</span>2021-02-03 00:20:07</p><p><span id="click" >瀏覽次數(shù)：3次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="iqhtkmt" 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="cfrofr3" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="i8cv329" class="box"><p><p style="text-indent:25px">無(wú)線發(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，滿足客戶對(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。2，433m無(wú)線通訊現(xiàn)價(jià).簡(jiǎn)單易用的硬件接口功能。無(wú)線接收發(fā)射模塊可以將模塊用2.54mm腳距的排針焊在主板上，433m無(wú)線通訊現(xiàn)價(jià),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2，433m無(wú)線通訊現(xiàn)價(jià).4G產(chǎn)品的應(yīng)用研發(fā)周期，降低開發(fā)難度，節(jié)約研發(fā)成本。3.性價(jià)比高。無(wú)線接收發(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。無(wú)線射頻燈光控制系統(tǒng)由智能面板開關(guān)和調(diào)光器組成。433m無(wú)線通訊現(xiàn)價(jià)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="433m無(wú)線通訊現(xiàn)價(jià),433M無(wú)線通訊模塊" src="https://tyunfile.71360.com/UploadFile/shpsdzkj/637345503264882813/3206863.png"></div><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，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米以內(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。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。433m無(wú)線通訊現(xiàn)價(jià)天線性能的好壞直接影響通信系統(tǒng)的指標(biāo)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="433m無(wú)線通訊現(xiàn)價(jià),433M無(wú)線通訊模塊" src="https://tyunfile.71360.com/UploadFile/shpsdzkj/637345502851904297/7924238.png"></div><p style="text-indent:25px">無(wú)線發(fā)射接收模塊是從事數(shù)字音頻無(wú)線傳輸、數(shù)字視頻無(wú)線傳輸、無(wú)線數(shù)據(jù)通信、無(wú)線傳輸系統(tǒng)、無(wú)線遙控和遙測(cè)系統(tǒng)、無(wú)線數(shù)據(jù)采集系統(tǒng)、無(wú)線網(wǎng)絡(luò)、無(wú)線安全防范系統(tǒng)等應(yīng)用中，無(wú)線收發(fā)電路的設(shè)計(jì)一直是無(wú)線應(yīng)用的一個(gè)瓶頸。無(wú)線收發(fā)模塊整合了高頻鍵控收發(fā)電路的功能，以特小體積更低成本實(shí)現(xiàn)高速數(shù)據(jù)傳輸?shù)墓δ堋o(wú)線發(fā)射模塊相對(duì)應(yīng)的接收模塊常用的有兩種：即超再生接收和超外差接收?！〕偕鷻z波電路實(shí)際上是一個(gè)受間歇振蕩?kù)澲频母哳l振蕩器，這個(gè)高頻振蕩器采用電容三點(diǎn)式振蕩器，振蕩頻率和發(fā)射器的發(fā)射頻率相一致。而間歇振蕩又是在高頻振蕩的振蕩過程中產(chǎn)生的，反過來(lái)又鞚制著高頻振蕩器的振蕩與間歇。而間歇振蕩的頻率是由電路的參數(shù)決定的(一般為1百到幾百千赫)。這個(gè)頻率選低了，電路的抗干擾性能較好，但接收靈敏度較低，反之，頻率選高，接收靈敏度較好，但抗干擾性能變差。</p><p style="text-indent:25px">433m無(wú)線模塊的數(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。發(fā)射發(fā)射模塊較好能垂直安裝在主板的邊緣，應(yīng)離開周圍器件5mm以上，以免受分布參數(shù)影晌。模塊的傳輸距離與調(diào)制信號(hào)頻率及幅度，發(fā)射電壓及電池容量，發(fā)射天線，接收機(jī)的靈敏度，收發(fā)環(huán)境有關(guān)。一般在開闊區(qū)較大發(fā)射距離約800米，在有障礙的情況下，距離會(huì)縮短，由于無(wú)線電信號(hào)傳輸過程中的折射和反射會(huì)形成一些死區(qū)及不穩(wěn)定區(qū)域，不同的收發(fā)環(huán)境會(huì)有不同的收發(fā)距離。數(shù)據(jù)發(fā)射模塊的工作頻率為315M。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="433m無(wú)線通訊現(xiàn)價(jià),433M無(wú)線通訊模塊" src="https://tyunfile.71360.com/UploadFile/shpsdzkj/637345503233496094/747194.png"></div><p style="text-indent:25px">433m無(wú)線模塊傳輸距離的影響:1、廠商產(chǎn)品介紹的傳輸距離，是在環(huán)境較好的空曠地嘗試的較準(zhǔn)確的數(shù)據(jù)，客戶買回來(lái)使用的環(huán)境干擾比較多，比如樓房墻壁、樹木等。提升傳輸距離的方法：傳輸距離不夠長(zhǎng)的時(shí)候，可以挑選一些障礙物較少的地方使用，以此達(dá)到增加距離的目的。2、電源在使用一段時(shí)間后，電壓會(huì)減少，導(dǎo)致傳輸距離減少。要想提升傳輸距離，可以更換一個(gè)電容量大電壓穩(wěn)定的電源。3、一些人為了減少傳輸時(shí)間，把433無(wú)線模塊的速率提升，導(dǎo)致傳輸距離減少。所以使用的時(shí)候可以把傳輸速率調(diào)低一些，這樣可以增加無(wú)線模塊傳輸距離。4、天線是影響模塊傳輸距離的因素之一，高增益天線可以讓距離傳輸更遠(yuǎn)，另外提升天線的架設(shè)高度，盡量保持天線離地面2米以上，這樣可以達(dá)到較好的傳輸距離。433M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。433m無(wú)線通訊現(xiàn)價(jià)</p><p style="text-indent:25px">433M無(wú)線模塊特別適合多發(fā)一收無(wú)線遙控及數(shù)據(jù)傳輸系統(tǒng)。433m無(wú)線通訊現(xiàn)價(jià)</p><p style="text-indent:25px">無(wú)線通信模塊是利用無(wú)線技術(shù)進(jìn)行傳輸?shù)囊环N模塊，被普遍應(yīng)用于車輛監(jiān)控、遙控、遙測(cè)、小型無(wú)線網(wǎng)絡(luò)、無(wú)線抄表、門禁系統(tǒng)、小區(qū)傳呼、工業(yè)數(shù)據(jù)采集系統(tǒng)、無(wú)線標(biāo)簽、身份識(shí)別、非接觸RF智能卡、小型無(wú)線數(shù)據(jù)終端、安全防火系統(tǒng)、無(wú)線遙控系統(tǒng)、生物信號(hào)采集、水文氣象監(jiān)控、機(jī)器人控制、無(wú)線232數(shù)據(jù)通信、無(wú)線485/422數(shù)據(jù)通信、數(shù)字音頻、數(shù)字圖像傳輸?shù)阮I(lǐng)域中。模塊主要由發(fā)射器、控制器組成。無(wú)線通信模塊注意事項(xiàng)：1、合理的通訊速率。數(shù)據(jù)模塊的較大傳輸數(shù)據(jù)速率為9.6KBs，一般控制在2.5k左右，過高的數(shù)據(jù)速率會(huì)降低接收靈敏度及增大誤碼率甚至根本無(wú)法工作。2、合理的信息碼格式。單片機(jī)和模塊工作時(shí)，通常自己定義傳輸協(xié)議，不論用何種調(diào)制方式，所要傳遞的信息碼格式都很重要，它將直接影響到數(shù)據(jù)的可靠收發(fā)。433m無(wú)線通訊現(xiàn)價(jià)</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/3129209.html</p></div></div></div></div></div><div id="ua8e8r3" class="page-right twoColRt"><div id="3jp8ujz" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="8qhyug8" class="recomPic likePro"><a 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