Aika imel ko yin hira ta yanar gizo don samun tsarin ƙwararru na maganin sigina mara kyau

Shin 'yankin ɗaukar hoto' na mai maimaita sigina gaskiya ne? Kada ku yarda wani hayaniya ya ruɗe ku.

Ina wurin wani bikin gyaran gidaje a watan da ya gabata sai na ga wani mai sayar da kaya yana ihu cikin wani babban waya: “Wannanmurfin maimaita siginar cibiyar sadarwaMurabba'in ƙafa 5,000! Na'ura ɗaya ga gidanka gaba ɗaya, gareji, da bayan gida!” Wani mutum da ke kusa da ni yana shirin fitar da walat ɗinsa, sai na jingina na ce, “Jira—bari in yi maka tambaya a hankali.” Na juya ga mai sayar da kayan na ce, “Menene ƙarfin siginar da kake amfani da ita wajen yin da'awar murabba'in ƙafa 5,000?” Ya yi ta surutu na ɗan lokaci, sannan ya canza batun. Wannan ita ce matsalar yawancin tallace-tallacen maimaita siginar—suna fitar da manyan lambobin ɗaukar hoto kamar an tabbatar musu, amma sau 9 cikin 10, ba sa ba ku labarin gaba ɗaya. Bayan shekaru 14 a cikin wannan kasuwancin, na ga mutane da yawa suna siyan mai maimaitawa bisa ga babban da'awar ɗaukar hoto, amma sai na ga ya rufe ɗakin zama da ƙyar. Bari mu warware wannan—babu kalmomi, kawai gaskiya game da wuraren ɗaukar hoto.

 

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1,Yankin da mai maimaita sigina ke rufewa ba lamba ce da aka ƙayyade ba.Ba kamar kwan fitila ba ce da ke da fadin murabba'in ƙafa 500 ko menene—iyakarsa ta dogara gaba ɗaya akan abubuwa biyu:ƙarfin siginar da ke shigowa(daga hasumiyar tantanin halitta) da kumayanayin da aka sanya shi a cikiBari mu fara da siginar da ke shigowa, domin wannan shine babban abin da ke haifar da hakan. Idan kana zaune kusa da hasumiyar tantanin halitta kuma kana da sanduna 4-5 (kimanin -70 zuwa -80 dBm) a wajen gidanka,Mai maimaita siginar wayar salula/mai ƙara girma na tsakiyar zangon 3g 4gzai iya rufe murabba'in ƙafa 3,000-4,000—watakila ma fiye da haka idan gidanka yana da siraran bango. Amma idan kana cikin karkara mai mashaya 1 (-95 zuwa -105 dBm) a waje? Wannan mai maimaitawa ɗaya zai iya rufe murabba'in ƙafa 500-1,000 kawai. Na sanya ɗaya ga wani manomi a Iowa a bara—ya sayi mai maimaitawa wanda aka tallata shi da "rufe murabba'in ƙafa 2,500," amma siginar da ke shigowa ita ce -102 dBm. Bayan shigarwa, ya rufe kicin da falonsa kawai—kimanin murabba'in ƙafa 800. Bai yi fushi da mai maimaitawa kanta ba; ya yi fushi da aka yi masa ƙarya game da rufewa.

 

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2, muhalli:Bango, benaye, har ma da kayan daki suna kashe tarko.Mai maimaita siginar LTEA cikin ƙaramin gida mai bangon busassun bango zai rufe yanki fiye da irin wannan samfurin a cikin gidan bulo mai hawa biyu mai rufin ƙarfe. Ina da abokin ciniki a Chicago wanda ya sayi mai maimaitawa don gidanta mai faɗin murabba'in ƙafa 1,200 - tana da siginar shigowa mai kyau, amma gidan yana cikin tsohon gini mai kauri bangon siminti. Mai maimaitawa ya rufe ɗakin kwananta da ofishin gidanta, amma falo (a ɗayan gefen bangon mai ɗaukar kaya) har yanzu yana da siginar tabo. Mun ƙara eriya ta biyu a cikin gida, amma da ba za ta taɓa buƙatar hakan ba idan mai siyarwa ya kasance mai gaskiya game da yadda bango ke shafar ɗaukar hoto. Ko da ƙananan abubuwa suna da mahimmanci: ɗakunan littattafai na ƙarfe, manyan kayan aiki, har ma da tankunan kifi (siginar toshe ruwa) na iya rage tasirin tasirin.

 

To me yasa masu siyarwa ke ƙarya game da wuraren ɗaukar hoto? Adadi mai sauƙi - manyan lambobi suna sayarwa. Mai maimaitawa da aka tallata a matsayin "ƙafafun murabba'i 5,000" zai sami ƙarin dannawa fiye da wanda ya ce "ƙafafun murabba'i 500-4,000 ya danganta da siginar da ke shigowa da muhalli." Amma ga abin da ya fi ban mamaki: Yawancin samfuran da aka san su da suna ba sa yin waɗannan da'awar banza - za su ba ku kewayon (kamar ƙafafu murabba'i 1,000-3,000) kuma su bayyana abubuwan da ke shafar sa. Waɗanda kuke buƙatar kulawa da su su ne samfuran da ba a san su ba a Amazon ko eBay, tare da hotunan manyan gidaje da kuma da'awar da ba ta da ƙarfi kamar "yana rufe kowane gida!" Irin waɗannan da'awar ɗaukar hoto na iya dogara ne akan yanayin dakin gwaje-gwaje cikakke (babu bango, siginar shigowa mai ƙarfi), waɗanda ba za su yiwu ba a rayuwa ta ainihi.

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A ƙarshe,masu maimaita siginar wayar hannukayan aiki ne masu kyau don haɓaka sigina. Kawai dai wannan hayaniya mai ɓatarwa tana sa mutane su ji kamar suna ɓatar da kuɗi kuma ba su sami samfur mai gamsarwa ba. A gaskiya, ba kwa buƙatarMai maimaita wayar hannu mai yawawanda ya kai murabba'in ƙafa 5000. Abin da kuke buƙata da gaske shine na'urar maimaitawa wacce za ta iya rufe sararin da kuke buƙata kuma tana da ƙarfin siginar da kuke buƙata.

Idan kana siyan na'urar maimaita sigina kuma kana son gujewa yawan talla,don Allah danna lambabisa ga yanayinka:Menene ƙarfin sigina (dBm) a yankinku? Yaya girman yankin da kake buƙatar rufewa yake? Wane irin bango kake da shi (bututun busasshe, bulo, filasta)?Zan taimaka muku da kaina wajen gano ainihin kewayon ɗaukar hoto da za ku iya tsammani kuma in ba da shawarar kusamfuran ƙara girman siginawaɗanda ba sa yin alƙawari mai yawa. Babu tattaunawar tallace-tallace, Shawara ce kawai ta gaskiya.


Lokacin Saƙo: Janairu-26-2026

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