{"id":1192,"count":182,"description":"<p>Vysokofrekven\u010dn\u00e1 technika tvor\u00ed chrbtov\u00fa kos\u0165 modern\u00fdch komunika\u010dn\u00fdch siet\u00ed. Od z\u00e1klad\u0148ov\u00fdch stan\u00edc mobiln\u00fdch siet\u00ed cez infra\u0161trukt\u00fary Wi-Fi a\u017e po vysokofrekven\u010dn\u00fa merac\u00fa techniku \u2013 vhodn\u00e9 ant\u00e9ny, k\u00e1ble a vysokofrekven\u010dn\u00e9 komponenty maj\u00fa rozhoduj\u00faci vplyv na v\u00fdkon syst\u00e9mu. Hodnoty \u00fatlmu, frekven\u010dn\u00e9 rozsahy a impedan\u010dn\u00e9 prisp\u00f4sobenie musia by\u0165 presne prisp\u00f4soben\u00e9 konkr\u00e9tnej aplik\u00e1cii.<\/p><h2>Preh\u013ead produktov\u00fdch skup\u00edn<\/h2><ul><li><strong>Ant\u00e9ny<\/strong>: Vn\u00fatorn\u00e9 ant\u00e9ny pre Wi-Fi a vn\u00fatrobudov\u00fa sie\u0165 (2,4\/5 GHz), vonkaj\u0161ie ant\u00e9ny so zv\u00fd\u0161en\u00fdm stup\u0148om krytia pre z\u00e1klad\u0148ov\u00e9 stanice mobiln\u00fdch siet\u00ed. V\u0161eobecn\u00e9 ant\u00e9ny, smerov\u00e9 ant\u00e9ny a sektorov\u00e9 ant\u00e9ny pre r\u00f4zne vzory pokrytia.<\/li><li><strong>Vysokofrekven\u010dn\u00e9 komponenty<\/strong>: Tlmi\u010de na prisp\u00f4sobenie \u00farovne (3\/6\/10\/20 dB), smerov\u00e9 odbo\u010dova\u010de na odbo\u010denie sign\u00e1lu, filtre na v\u00fdber frekvencie. Impedancie 50\/75 ohmov v z\u00e1vislosti od pou\u017eitia.<\/li><li><strong>Odbo\u010dova\u010d\/rozde\u013eova\u010d\/spojka<\/strong>: Rozde\u013eova\u010de v\u00fdkonu a rozde\u013eova\u010de sign\u00e1lu pre syst\u00e9my s viacer\u00fdmi trasami. Asymetrick\u00e9 rozde\u013eova\u010de pre nerovnomern\u00e9 rozdelenie, symetrick\u00e9 rozde\u013eova\u010de pre rovnomern\u00e9 rozdelenie.<\/li><li><strong>Koaxi\u00e1lny k\u00e1bel<\/strong>: Typy RG pod\u013ea normy MIL-C-17 (RG58, RG213, RG214), k\u00e1ble s n\u00edzkymi stratami pre dlh\u00e9 vzdialenosti. Verzie bez halog\u00e9nov pod\u013ea normy IEC 60754 pre in\u0161tal\u00e1cie v budov\u00e1ch.<\/li><li><strong>Detek\u010dn\u00fd k\u00e1bel Radiaflex<\/strong>: Vy\u017earuj\u00faci koaxi\u00e1lny k\u00e1bel pre r\u00e1diov\u00fa komunik\u00e1ciu v tuneloch a v dlh\u00fdch budov\u00e1ch. Definovan\u00e1 vy\u017earovacia charakteristika po celej d\u013a\u017eke k\u00e1bla.<\/li><li><strong>Prepojovac\u00ed k\u00e1bel<\/strong>: Predmontovan\u00e9 vysokofrekven\u010dn\u00e9 prepojovacie k\u00e1ble s konektormi typu N, SMA a BNC. F\u00e1zovo stabiln\u00e9 pre kritick\u00e9 aplik\u00e1cie.<\/li><\/ul><h2>Oblasti pou\u017eitia<\/h2><h3>Infra\u0161trukt\u00fara mobilnej komunik\u00e1cie<\/h3><p>Z\u00e1klad\u0148ov\u00e9 stanice a vysielacie zariadenia pre GSM (900\/1800 MHz), UMTS (2100 MHz), LTE (800\/1800\/2600 MHz) a 5G (3500 MHz) vy\u017eaduj\u00fa presne zladen\u00e9 vysokofrekven\u010dn\u00e9 komponenty. Ant\u00e9ny s vysok\u00fdm ziskom, k\u00e1ble s n\u00edzkymi stratami a filtre na oddelenie kan\u00e1lov s\u00fa k\u013e\u00fa\u010dov\u00fdmi komponentmi. Komponenty vyhovuj\u00face norme AISG umo\u017e\u0148uj\u00fa dia\u013ekov\u00e9 ovl\u00e1danie parametrov ant\u00e9n.<\/p><h3>Syst\u00e9my distrib\u00facie Wi-Fi<\/h3><p>Plo\u0161n\u00e9 pokrytie Wi-Fi v priemyseln\u00fdch hal\u00e1ch, logistick\u00fdch centr\u00e1ch alebo verejn\u00fdch budov\u00e1ch je zalo\u017een\u00e9 na d\u00f4kladnom pl\u00e1novan\u00ed vysokofrekven\u010dn\u00e9ho syst\u00e9mu. Sektorov\u00e9 ant\u00e9ny zabezpe\u010duj\u00fa cielen\u00e9 pokrytie, zatia\u013e \u010do rozbo\u010dova\u010de rozde\u013euj\u00fa sign\u00e1l na viacero pr\u00edstupov\u00fdch bodov. V\u00fdpo\u010det \u00fatlmu k\u00e1blov\u00fdch \u00fasekov je nevyhnutn\u00fd pre stabiln\u00e9 pripojenie.<\/p><h3>Bezdr\u00f4tov\u00e9 syst\u00e9my v budov\u00e1ch a tunelov\u00e9 syst\u00e9my<\/h3><p>R\u00e1diov\u00e9 syst\u00e9my BOS, podnikov\u00e9 r\u00e1diov\u00e9 siete alebo verejn\u00e9 bezpe\u010dnostn\u00e9 siete v budov\u00e1ch \u010dasto vyu\u017e\u00edvaj\u00fa syst\u00e9my s \u00fanikov\u00fdm k\u00e1blom. Vy\u017earuj\u00faci koaxi\u00e1lny k\u00e1bel rovnomerne z\u00e1sobuje vysokofrekven\u010dn\u00fdmi sign\u00e1lmi dlh\u00e9 tunely alebo spletit\u00e9 komplexy budov. V kombin\u00e1cii s opakova\u010dmi a obojsmern\u00fdmi zosil\u0148ova\u010dmi sa tak vytv\u00e1ra bezmedzn\u00e9 r\u00e1diov\u00e9 pokrytie.<\/p><h3>Vysokofrekven\u010dn\u00e1 meracia technika a laborat\u00f3rium<\/h3><p>Presn\u00e9 merania si vy\u017eaduj\u00fa kalibrovan\u00e9 vysokofrekven\u010dn\u00e9 komponenty. Tlmi\u010de s presne definovan\u00fdmi hodnotami, f\u00e1zovo stabiln\u00e9 k\u00e1ble a kvalitn\u00e9 zakon\u010dovacie odpory patria k z\u00e1kladnej v\u00fdbave ka\u017ed\u00e9ho vysokofrekven\u010dn\u00e9ho laborat\u00f3ria. Smerov\u00e9 odbo\u010dova\u010de umo\u017e\u0148uj\u00fa meranie dopredn\u00e9ho a sp\u00e4tn\u00e9ho v\u00fdkonu bez preru\u0161enia sign\u00e1lovej cesty.<\/p><h2>Kon\u0161truk\u010dn\u00e9 typy a normy<\/h2><p>\u0160tandardiz\u00e1cia pod\u013ea noriem IEC 61169 a EN 50083 zaru\u010duje kompatibilitu medzi v\u00fdrobcami. Konektory typu N dominuj\u00fa v oblasti mobiln\u00fdch komunik\u00e1ci\u00ed v\u010faka svojmu v\u00fdkonu a\u017e do 11 GHz. Konektory SMA sa pou\u017e\u00edvaj\u00fa v kompaktn\u00fdch zariadeniach a merac\u00edch zostav\u00e1ch a\u017e do 18 GHz. Konektory typu F pod\u013ea normy DIN EN 60169-24 zost\u00e1vaj\u00fa \u0161tandardom v satelitnej technike.<\/p><p>\u0160pecifik\u00e1cie k\u00e1blov s\u00fa v s\u00falade s normou MIL-C-17 pre typy RG alebo so \u0161tandardmi konkr\u00e9tnych v\u00fdrobcov pre varianty s n\u00edzkymi stratami. Tlmenie tienenia sa meria pod\u013ea normy IEC 62153-4 \u2014 hodnoty nad 90 dB s\u00fa nevyhnutn\u00e9 pre prev\u00e1dzku bez ru\u0161enia. Po\u017eiadavky na protipo\u017eiarnu ochranu pod\u013ea normy EN 50575 ur\u010duj\u00fa v\u00fdber k\u00e1blov v budov\u00e1ch.<\/p><p>VSWR (Voltage Standing Wave Ratio) ako k\u013e\u00fa\u010dov\u00fd parameter opisuje kvalitu prisp\u00f4sobenia. Hodnoty pod 1,5:1 sa pova\u017euj\u00fa za dobr\u00e9, profesion\u00e1lne syst\u00e9my sa sna\u017eia dosiahnu\u0165 hodnotu pod 1,2:1. Intermodul\u00e1cia u akt\u00edvnych komponentov mus\u00ed sp\u013a\u0148a\u0165 syst\u00e9mov\u00e9 po\u017eiadavky \u2014 pre modern\u00e9 mobiln\u00e9 siete je typick\u00e1 hodnota -150 dBc.<\/p><h2>N\u00e1kup v segmente B2B v spolo\u010dnosti E.Hartner<\/h2><p>Atrakt\u00edvne odstup\u0148ovan\u00e9 ceny zo skladu vo Viedni pre projekty ak\u00e9hoko\u013evek rozsahu. Technick\u00e9 poradenstvo pri v\u00fdbere optim\u00e1lnych komponentov a n\u00e1vrhu syst\u00e9mu na po\u017eiadanie. Mo\u017enos\u0165 expresn\u00e9ho doru\u010denia v pr\u00edpade naliehav\u00fdch roz\u0161\u00edren\u00ed siete alebo opr\u00e1v.<\/p>","link":"https:\/\/ehartner.com\/sk\/funktechnik\/","name":"Funk\u010dn\u00e1 technika","slug":"radiova-technika","taxonomy":"product_cat","parent":0,"meta":[],"menu_order":124,"_links":{"self":[{"href":"https:\/\/ehartner.com\/sk\/wp-json\/wp\/v2\/product_cat\/1192","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ehartner.com\/sk\/wp-json\/wp\/v2\/product_cat"}],"about":[{"href":"https:\/\/ehartner.com\/sk\/wp-json\/wp\/v2\/taxonomies\/product_cat"}],"wp:post_type":[{"href":"https:\/\/ehartner.com\/sk\/wp-json\/wp\/v2\/product?product_cat=1192"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}