泰州433m無(wú)線接收模塊去哪買 **** 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)線模塊的模塊自身輻射極小，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。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"><meta name="keywords" content="泰州433m無(wú)線接收模塊去哪買,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" content="OBVzrC9aaQ" /> <meta 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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>泰州433m無(wú)線接收模塊去哪買,433M無(wú)線通訊模塊</p><p><span>***更新：</span>2021-01-16 09:12:47</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="rliprof" 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="3j8fjac" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="mjlikry" class="box"><p><p style="text-indent:25px">433m無(wú)線模塊的模塊自身輻射極小，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。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?？烧{(diào)電容調(diào)整完畢后無(wú)法封固，因?yàn)闊o(wú)論導(dǎo)體還是絕緣體，各種介質(zhì)的靠近或侵入都會(huì)使電容的容量發(fā)生變化，進(jìn)而影響接收頻率。另外未經(jīng)封固的可調(diào)電容在受到振動(dòng)時(shí)定片和動(dòng)片之間發(fā)生位移；溫度變化時(shí)熱脹冷縮會(huì)使定片和動(dòng)片間距離改變；濕度變化因介質(zhì)變化改變?nèi)萘浚婚L(zhǎng)期工作在潮濕環(huán)境中還會(huì)因定片和動(dòng)片的氧化改變?nèi)萘?，泰?33m無(wú)線接收模塊去哪買，泰州433m無(wú)線接收模塊去哪買，泰州433m無(wú)線接收模塊去哪買，這些都會(huì)嚴(yán)重影響接收頻率的穩(wěn)定性，而采用可調(diào)電感就可解決這些問(wèn)題，因?yàn)殡姼锌梢栽谡{(diào)整完畢后進(jìn)行封固，絕緣體封固劑不會(huì)使電感量發(fā)生變化。433m無(wú)線模塊的模塊自身輻射極小。泰州433m無(wú)線接收模塊去哪買</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="泰州433m無(wú)線接收模塊去哪買,433M無(wú)線通訊模塊" src="https://tyunfile.71360.com/UploadFile/shpsdzkj/637345503298828125/1657899.png"></div><p style="text-indent:25px">無(wú)線接收發(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的RS485網(wǎng)，是一款低價(jià)格、高性能的ASK/OOK(ON-OFFKeyed)無(wú)線接收模塊，主要應(yīng)用與無(wú)線遙控接收領(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。泰州433m無(wú)線接收模塊去哪買433MHz無(wú)線收發(fā)模組也叫RF433射頻小模塊。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="泰州433m無(wú)線接收模塊去哪買,433M無(wú)線通訊模塊" src="https://tyunfile.71360.com/UploadFile/shpsdzkj/637345502878242188/9385885.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。</p><p style="text-indent:25px">隨著科技的日益發(fā)達(dá)，無(wú)線模塊在遙控、遙測(cè)、無(wú)線遙控系統(tǒng)、安全防火系統(tǒng)、小型無(wú)線網(wǎng)絡(luò)、工業(yè)數(shù)據(jù)采集系統(tǒng)、無(wú)線吊稱、無(wú)線電子衡器、車輛監(jiān)控、不停車收費(fèi)、停車場(chǎng)管理、無(wú)線標(biāo)簽、身份識(shí)別、生物信號(hào)采集、水文氣象監(jiān)控、機(jī)器人控制、數(shù)字音頻傳輸?shù)榷紩?huì)涉及。無(wú)線模塊的特點(diǎn)：成本廉價(jià)。有線通信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;而用無(wú)線數(shù)傳電臺(tái)建立**無(wú)線數(shù)據(jù)傳輸方式則無(wú)需架設(shè)電纜或挖掘電纜溝，只需要在每個(gè)終端連接無(wú)線數(shù)傳電臺(tái)和架設(shè)適當(dāng)高度的天線就可以了。相比之下用無(wú)線數(shù)傳模塊建立**無(wú)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。當(dāng)然在一些近距離的數(shù)據(jù)通訊系統(tǒng)中，無(wú)線的通訊方式并不比有線的方式成本低，但是有時(shí)候?qū)嶋H的現(xiàn)場(chǎng)環(huán)境難以布線，客戶根據(jù)現(xiàn)場(chǎng)環(huán)境的需要還是會(huì)選用無(wú)線的方式來(lái)實(shí)現(xiàn)通訊。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。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="泰州433m無(wú)線接收模塊去哪買,433M無(wú)線通訊模塊" src="https://tyunfile.71360.com/UploadFile/shpsdzkj/637345502805673828/9875741.png"></div><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.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,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2.4G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。天線駐波比性能好,結(jié)構(gòu)巧妙,安裝方便。長(zhǎng)沙433m無(wú)線接收模塊代理</p><p style="text-indent:25px">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。泰州433m無(wú)線接收模塊去哪買</p><p style="text-indent:25px">433M無(wú)線數(shù)傳模塊功能：1.采集功能：采集各類儀表輸出的脈沖量、模擬量或RS232/RS485串口信號(hào)。2.存儲(chǔ)功能：本機(jī)循環(huán)存儲(chǔ)監(jiān)測(cè)數(shù)據(jù)，掉電不丟失。3.通信功能：采用433MHZ**頻段對(duì)外通信，免許可證使用。4.報(bào)警功能：監(jiān)測(cè)數(shù)據(jù)越限，立即上報(bào)告警信息。5.對(duì)外供電功能：可對(duì)外提供直流電源，為儀表/變送器供電。6.遠(yuǎn)程管理功能：支持遠(yuǎn)程參數(shù)設(shè)置、程序升級(jí)。433M無(wú)線數(shù)傳模塊特點(diǎn)：1.推薦工業(yè)級(jí)器件，穩(wěn)定性、可靠性高，適應(yīng)惡劣工業(yè)環(huán)境。2.采用休眠+喚醒的微功耗工作模式，自帶鋰電池組可維持工作時(shí)間＞2年（5分鐘上報(bào)1次數(shù)據(jù)）。3.支持一點(diǎn)對(duì)一點(diǎn)、一點(diǎn)對(duì)多點(diǎn)的數(shù)據(jù)通信方式。 4.配置筒式密閉防護(hù)外殼，防護(hù)等級(jí)IP68，可長(zhǎng)期工作在濕度大、污水浸漫的環(huán)境。泰州433m無(wú)線接收模塊去哪買</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/2872955.html</p></div></div></div></div></div><div id="qpwipbi" class="page-right twoColRt"><div id="gvx2n7s" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="mf7bnkr" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img 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