上海433mhz無(wú)線通訊模塊訂購(gòu) 創(chuàng)造輝煌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="433m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，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)，為較佳工作電壓，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70"><meta name="keywords" content="上海433mhz無(wú)線通訊模塊訂購(gòu),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"> <meta name="baidu-site-verification" 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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>?上海433mhz無(wú)線通訊模塊訂購(gòu) 創(chuàng)造輝煌上海磐笙電子科技供應(yīng)</p><div id="q3hqmzd" class="leftbox clearfix"><h1>上海433mhz無(wú)線通訊模塊訂購(gòu) 創(chuàng)造輝煌上海磐笙電子科技供應(yīng)</h1><div id="m6wehvi" class="proBig"><div id="lgzvk7n" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shpsdzkj/637345503446054688/5380704.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="ytdpjcl" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shpsdzkj/637345503446054688/5380704.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="pp2yrlp" 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>上海433mhz無(wú)線通訊模塊訂購(gòu),433M無(wú)線通訊模塊</p><p><span>***更新：</span>2021-01-13 01:17:40</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="xhwbfjs" 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="efuujx7" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="lue3nbj" class="box"><p><p style="text-indent:25px">433m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，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)，為較佳工作電壓，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。當(dāng)電壓大于12V時(shí)功耗增大，有效發(fā)射功率不再明顯提高。這套模塊的特點(diǎn)是發(fā)射功率比較大，傳輸距離比較遠(yuǎn)，比較適合惡劣條件下進(jìn)行通訊。天線建議選用25厘米長(zhǎng)的導(dǎo)線，上海433mhz無(wú)線通訊模塊訂購(gòu)，遠(yuǎn)距離傳輸時(shí)建議是能夠豎立起來(lái)，上海433mhz無(wú)線通訊模塊訂購(gòu)，上海433mhz無(wú)線通訊模塊訂購(gòu)，因?yàn)闊o(wú)線電信號(hào)傳輸時(shí)會(huì)受很多因素的影響，所以一般實(shí)用距離只有標(biāo)稱距離的一半甚至更少，這點(diǎn)需要開(kāi)發(fā)時(shí)注意。天線性能的好壞直接影響通信系統(tǒng)的指標(biāo)。上海433mhz無(wú)線通訊模塊訂購(gòu)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海433mhz無(wú)線通訊模塊訂購(gòu),433M無(wú)線通訊模塊" src="https://tyunfile.71360.com/UploadFile/shpsdzkj/637345503446054688/5380704.png"></div><p style="text-indent:25px">433m無(wú)線模塊的電路優(yōu)勢(shì):發(fā)射模塊未設(shè)編碼集成電路，而增加了一只數(shù)據(jù)調(diào)制三極管Q1,這種結(jié)構(gòu)使得它可以方便地和其它固定編碼電路、滾動(dòng)碼電路及單片機(jī)接口，而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。比如用PT2262或者SM5262等編碼集成電路配接時(shí)，直接將它們的數(shù)據(jù)輸出端第17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。上海433mhz無(wú)線通訊模塊訂購(gòu)433m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。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海433mhz無(wú)線通訊模塊訂購(gòu),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?。無(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(guò)程中產(chǎn)生的，反過(guò)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">由于433M無(wú)線模塊的接收靈敏度高，繞射性能好，我們一般使用433MHz無(wú)線模塊來(lái)實(shí)現(xiàn)主從模式的通信系統(tǒng)當(dāng)中。這樣主從拓?fù)浣Y(jié)構(gòu)其實(shí)就是一個(gè)智能家居，它具有網(wǎng)絡(luò)結(jié)構(gòu)簡(jiǎn)單，布局容易，上電時(shí)間短的優(yōu)勢(shì)。433M無(wú)線模塊的工作頻率為315M，采用聲表諧振器SAW穩(wěn)頻，頻率穩(wěn)定度極高，當(dāng)環(huán)境溫度在-25～+85度之間變化時(shí)，頻飄*為3ppm/度。?發(fā)射技術(shù)指標(biāo)?1、通訊方式：調(diào)幅AM 2、工作頻率：315MHz/433MHz 3、頻率穩(wěn)定度：±75kHz 4、發(fā)射功率：≤500mW 5、靜態(tài)電流：≤0.1μA?6、發(fā)射電流：3～50mA?7、工作電壓：DC?3～12V。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)。聲表諧振器的頻率穩(wěn)定度*次于晶體，而一般的LC振蕩器頻率穩(wěn)定度及一致性較差，即使采用***微調(diào)電容，溫差變化及振動(dòng)也很難保證已調(diào)好的頻點(diǎn)不會(huì)發(fā)生偏移。無(wú)線發(fā)射接收模塊還可以用于通用串口(RS232無(wú)線數(shù)據(jù)傳輸。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海433mhz無(wú)線通訊模塊訂購(gòu),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)線通信模塊可以應(yīng)用在各種工業(yè)數(shù)據(jù)采集，但是傳統(tǒng)的有線采集方式，會(huì)比較不方便，例如:布線困難、環(huán)境復(fù)雜，成本高、費(fèi)時(shí)費(fèi)力費(fèi)財(cái)?shù)鹊龋菬o(wú)線模塊利用無(wú)線傳輸方式，可以輕松的解決這些問(wèn)題，但無(wú)線方式也有著一定的弊端，例如:不如有線采集方式來(lái)得穩(wěn)定，因?yàn)闊o(wú)線采集容易收到天氣等外在因素的影響。無(wú)線模塊其它的應(yīng)用領(lǐng)域有很多，比如:農(nóng)業(yè)灌溉、醫(yī)療行業(yè)、智能安防等等，總之，無(wú)線模塊會(huì)越來(lái)越深入人們的生活、工作等等。433MHz無(wú)線收發(fā)模組也叫RF433射頻小模塊。上海433mhz無(wú)線通訊模塊訂購(gòu)</p><p style="text-indent:25px">433M無(wú)線模塊當(dāng)數(shù)據(jù)信號(hào)停止時(shí)發(fā)射電流降為零。上海433mhz無(wú)線通訊模塊訂購(gòu)</p><p style="text-indent:25px">433m無(wú)線發(fā)射模塊的抗干擾性能：它的關(guān)鍵長(zhǎng)處是它的抗干擾性能強(qiáng).所謂抗干擾好,關(guān)鍵是指無(wú)線發(fā)射模塊在輸入信號(hào)噪聲比(簡(jiǎn)稱信噪比S/N)相同的條件下,無(wú)線發(fā)射模塊調(diào)頻接收機(jī)輸出端的信噪比大于調(diào)幅接收機(jī)輸出端的信噪比。無(wú)線發(fā)射模塊選用的是聲表諧振器SAW穩(wěn)頻，無(wú)線發(fā)射模塊頻率穩(wěn)定度極高，具有極高性價(jià)比，無(wú)線發(fā)射模塊有完善的抗靜電養(yǎng)護(hù)，在行業(yè)中有相當(dāng)好的作用。 433m無(wú)線發(fā)射模塊傳輸距離的影響?？蛻糍?gòu)買廠商銷售的433m無(wú)線發(fā)射模塊后，發(fā)現(xiàn)傳輸距離比產(chǎn)品介紹的距離要短，這樣可能導(dǎo)致無(wú)法正常使用。相信有經(jīng)驗(yàn)的人都知道，使用距離會(huì)比產(chǎn)品介紹的距離要短一些。上海433mhz無(wú)線通訊模塊訂購(gòu)</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/2819052.html</p></div></div></div></div></div><div id="mbfym3x" class="page-right twoColRt"><div id="eeo9pc3" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="r3ibvqe" 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" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)</p></a></div><div id="stcp2fd" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/846569.html"><div><img 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