Enothi Active for TV: ncomo

Active antenna yeTV ncomo ukusuka agents HIV kwaye wagxininisa yokuba baye basebenzisa msindo utshintshayo. Ngokutsho amaza kwefowuni zahluke kakhulu. ekukhetheni ukuguqulwa kufuneka athathe Xa ingqalelo kwakhona inzuzo, icandelo radiation kunye amanzi igalelo. Kwimarike kukho abenzi abaninzi.

eriyali Modern zenziwa ngenxa reflectors elinye-channel. frequency Ubuninzi eriyali esebenzayo ilingana 700 MHz. Thenga imodeli ezikumgangatho ophezulu evenkileni nga kuba 1600 engange.

Uthi Vivanco TVF 09

Abanini Isixhobo bakholelwa ukuba umfuziselo ibamba ngokugqibeleleyo uphawu. Ngokutsho kwimilinganiselo amelwe eriyali esebenzayo ngayo Ngokomzi kakhulu. Ukuba sithethe malunga parameters yesixhobo, kufanele kuqatshelwe ukuba amaza obukhulu 780 MHz. Kulo mzekelo, i inzuzo Ukumiswa kwi dB 12.

Kuzo zonke, i-eriyali esebenzayo ezimbini iimveliso emgceni. Iqondo lobushushu Ubuncinane kuvumelekile yokusebenza ye isixhobo degrees 15. APP-e isinxibelelanisi models ekhoyo. Directivity into 3.5 dB. Thenga le esebenzayo eriyali umsebenzisi ngexabiso of 1200 engange.

Izimvo Vivanco iimveliso TVF 12

Le yi-eriyali esebenzayo kangako kunye yomlinganiselo. ncomo Consumer zibonisa ukuba icebo olukhulu TV abenzi ezahlukeneyo. Xa imozulu welifu, iyasebenza enkulu. Nangona kunjalo, kubalulekile ukuqaphela ukuba iparameter amaza ubuninzi 550 Hz. Kuyimfuneko ukuba ukukhankanya isalathisi nokwehlukana encinane. Kuzo zonke, imifuziselo ezintlanu imishini enikiweyo.

Lo mshini isebenzisa umgangatho ziguquka-hlobo. uqhagamshelo eriyali Active kwi TV usebenzisa uqhagamshelwano lwetshiphu emsebenzi cable. isixhobo coupling ibhasi eqhagamshelwe vibrator ngqo. Inzuzo ngu 12 dB. Thenga i-eriyali esebenzayo wathi, ingaba umsebenzisi for 1400 engange.

Ngokubona eriyali X Digital

Oku iimpendulo eriyali esebenzayo ngenxa compactness yayo. esasidla Ubuninzi yesixhobo ilingana 880 MHz. Kulo mzekelo, Nongeniselo ayidluli dB-13. Ngokutsho kweengcali, lo umfuziselo nokwehlukana elungileyo. Icebo olwandisa isetyenziswa ne msindo utshintshayo.

Kuzo zonke, kukho imifuziselo emihlanu imishini. Kulo mzekelo, i kuvumelekile lobushushu eliphezulu yokusebenza ye-eriyali esebenzayo ngu 40. E zemvula sezulu, uphawu nimbhaqe ngokufanelekileyo. Ukukhutshwa spectrum isixhobo ngama-35. Ukuba sithethe zempawu zoyilo, kubalulekile ukuba yokuba nemixawuka kunjalo. Thenga le eriyali esebenzayo, umsebenzisi akanokukwazi ngexabiso ka-1,300 engange.

device Inkcazelo RCA

Olu eriyali esebenzayo phawu-abazizityebi ezikumgangatho ophezulu. ncomo Customer bathi kulula kakhulu ukuba ukufaka. Kwiyunithi kukho iimveliso ezimbini umgca. Ngokutsho uxwebhu umfuziselo ubuncinane lobushushu yokusebenza kuvumelekile na izinyuko -20. ukufuma High, le eriyali esebenzayo akoyiki. Ulwandiso njengezixhobo standard ekhoyo. Bebonke kukho imifuziselo ezine kugqame. Ngqo sesimangalo ukuguqukela imvelaphi inyuselwa khona ukuba ibhasi kokuxhuma.

Ukuba uyakholwa uluvo ziingcali,-eriyali isebenza kakuhle. Xa imozulu yimvula, uphawu nimbhaqe kakuhle. Phakathi ukushiyeka kubalulekile ukukhankanya parameter encinane inzuzo apho ngo-12 dB. Ummandla ngempumelelo kwiintsali kwi izixhobo incinane. Nangona kunjalo, kubalulekile ukuba uthathe ingqalelo iindleko esezantsi yempahla. Thenga bemelwe yi-eriyali esebenzayo namhlanje ube sezantsi kangangoko 1400 bagcobe.

Uthi UFunke DSC530E

Le eriyali esebenzayo ineendlela ezininzi. I abathengi kuqala otmuchalis umzimba compact. Imishini zifakwa kwiphakati ekumgangatho ophezulu. Ngokutsho kweengcali, lo mshini ziguquka isebenza kakuhle. Le kugqame kule meko ezinxulumene ngqo imishini. Ipharamitha frequency in eriyali esebenzayo ilingana 560 MHz. Iqondo eliphezulu elivumelekileyo ngu 40. APP-isinxibelelanisi kwisixhobo inikiwe.

Usasazeko lomlingani elingana 80%. Isalathisi inzuzo 13 dB. Ulwandiso unganikezelwanga njengezixhobo standard. kwinqanaba elamkelekileyo eriyali ukufuma esebenzayo elingana 88%. imodeli Thenga ingaba ngexabiso ka-1,300 engange. Ingaba I ukuxhuma njani i-eriyali esebenzayo kwi TV? Oku kunokwenziwa kuphela ngokuthi jack umgca-in. I uqhagamshelwano lwetshiphu emsebenzi cable inikezelwa ukulungiselela le njongo.

Izimvo uReeva Vivanko

Le eriyali esebenzayo kwi TV lwenziwa kunye imishini ezintathu. Kugqame device iseti imifino hlobo. Nokwehlukana parameter yemodeli yinto phezulu. Ukuba uyakholwa ukuba abathengi, ngoko ukuze ukufaka uthe eriyali esebenzayo ilula kakhulu. Usasazeko lomlingani kulo yi-68%. Ngokutsho kweengcali, ingxaki yokungena ibhasi zinqabile. Ubuninzi eriyali frequency esebenzayo ngu 890 MHz. Kulo mzekelo, i thyristor kusetyenziswa uhlobo unijunction. Ixabiso le-eriyali esebenzayo ngeenxa 1600 bagcobe.

Imibono mayelana eriyali Romsat AV-2845

Yandlalwa yi eriyali esebenzayo TV muva zifunwa kakhulu. Phakathi nenzuzo yayo, kubalulekile ukukhankanya inani eliphezulu nokusasazeka. Le rhoqo liphezulu icebo 860 MHz. Ulongezelelo ukuguqulwa standard angekhoyo. I esebenzayo kwamaqondo obushushu yokusebenza eriyali avumelekile ukuba degrees -15. Thenga icebo inokuba 1,500 engange.

Inkcazelo Romsat AV-2860 isixhobo

Yintoni na le eriyali esebenzayo ukuya TV kwi cottage elimangalisayo elifanelekileyo? Umzekelo, oku. Yenziwe ngokusekelwe lo mshini utshintshayo. Xa iyonke, imodeli usebenzisa vibrator ezine. Ngokutsho kweengcali, ebonakala ngamazinga ephakamileyo ukufuma kuvumelekile.

frequency Ipharamitha obukhulu 670 MHz. Le olwandisa ezisetyenziswa-eriyali esebenzayo ahlanganiswe ibhasi. Le kugqame kule meko imiselwe ku uhlobo olunye-channel. Ngaloo ndlela, iingxaki nokwehlukana ezimbi kwenzeka kunqabile kakhulu. esebenzayo lobushushu ngoko nangoko ubuninzi yokusebenza eriyali avumelekile ukuba degrees 45. APP-isinxibelelanisi kwisixhobo luyafumaneka. kwicandelo imisebe degrees 45. Kufuneka ube eriyali akhutheleyo TV kwimarike kangangoko 1800 bagcobe.

antenna Lava

Le eriyali esebenzayo kwi shini ezimbini ezenziwe reflectors ezikumgangatho ophezulu. Ukuba uyakholwa iingcaphephe, lo mshini usebenza nge ukusetyenziswa kwamandla eliphantsi. Ipharamitha ukuguqulwa ubuninzi frequency ilingana 860 MHz. Sector radiation kwifowni 50 degrees.

I kuvumelekile lobushushu yokusebenza ubuncinane i-eriyali esebenzayo yi degrees -20. Igalelo ukuvimba iphezulu kwakhe ohms-30. Xa iyonke, ifowuni isebenzisa vibrator ezine. Ngokutsho kweengcali, imodeli ayikho ukoyika ukufuma eliphezulu semvula lisebenza ngokuqhelekileyo. Ulongezelelo standard apho. Thenga le esebenzayo eriyali kwisitora zingaba phantsi 1500 engange.

Ukuphonononga iimveliso SRT imbovane 15

Ezi esebenzayo eriyali ngaphandle yeTV ratings, ngokuqhelekileyo ufumana ukhetho Kumlungele aqhelelkileyo. Kubalulekile kwakhona ukukhankanya ukuba ukungavumelani kwe isixhobo nokusasazeka alikho ngaphezu kwe-70%. Standard APP isinxibelelanisi kwiqela lenjongo apho. Ngokutsho kweengcali, le nkqubo yokhuseleko kwi-eriyali esebenzayo isetyenziswe kwizinga eliphezulu. Avumelekile kwamaqondo obushushu yokusebenza degrees -30.

Nje ezintlanu isixhobo vibrator sibonelelwe. Le kugqame yindlela esetyenziswa yi uhlobo olunye-channel. bar Indibaniselwano yena liqhagamshelene lo mshini. Ulwandiso njengezixhobo standard enikiweyo. Inqanaba ukufuma kuvumelekile kwi-eriyali esebenzayo ilingana kwi 88%. Icebo olwandisa lisetyenziswa uhlobo loop. Ngokutsho kweengcali, ukufuma ephezulu akoyiki. Thenga le-eriyali esebenzayo 1,400 engange.

Uluvo malunga eriyali SRT imbovane 23

Le eriyali esebenzayo yeTV athotyiweyo kunye imishini ezintathu. Le kugqame kulo mzekelo uhlobo itshaneli-mbini. Ngoko ke, lo rhoqo obukhulu 900 MHz. Ukuba uyakholwa iingcaphephe, ingxaki yokungena ibhasi zinqabile. Extender kwi-eriyali esebenzayo kusetyenziswa uhlobo loop. Ipharamitha ukumelana ezimbi yi ohms-30.

isixhobo PAP-isinxibelelanisi sibonelelwe. I esebenzayo kwamaqondo obushushu yokusebenza eriyali avumelekile ukuba degrees -25. Ukwandiswa isixhobo oluqhelekileyo azifakwanga. Iingcali ezininzi baphawula ukuba kwiintsali parameter encinane. Sector kwifowni yi degrees 45. Thenga Lo msebenzisi eriyali esebenzayo ngexabiso ukusuka 1800 engange.