{"id":37190,"date":"2019-10-31T22:16:15","date_gmt":"2019-10-31T19:16:15","guid":{"rendered":"https:\/\/prohoster.info\/blog\/mesh-vs-wifi-chto-vybrat-dlya-besprovodnoj-svyazi\/"},"modified":"2019-10-31T22:16:15","modified_gmt":"2019-10-31T19:16:15","slug":"mesh-vs-wifi-chto-vybrat-dlya-besprovodnoj-svyazi","status":"publish","type":"post","link":"https:\/\/prohoster.info\/cs\/blog\/administrirovanie\/mesh-vs-wifi-chto-vybrat-dlya-besprovodnoj-svyazi","title":{"rendered":"Mesh VS WiFi: co si vybrat pro bezdr\u00e1tov\u00e9 p\u0159ipojen\u00ed?","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

\"Mesh
\n
\nKdy\u017e jsem je\u0161t\u011b \u017eil v bytov\u00e9m dom\u011b, \u010delil jsem probl\u00e9mu n\u00edzk\u00e9 rychlosti v m\u00edstnostech vzd\u00e1len\u00fdch od routeru. Mnoz\u00ed maj\u00ed router v p\u0159eds\u00edni, kam poskytovatel dot\u00e1hl optiku nebo UTP, a tam tak\u00e9 byl um\u00edst\u011bn typov\u00fd za\u0159\u00edzen\u00ed. Je\u0161t\u011b dobr\u00e9, kdy\u017e vlastn\u00edk vym\u011bn\u00ed router za vlastn\u00ed, ale typick\u00e1 za\u0159\u00edzen\u00ed od poskytovatel\u016f jsou v\u011bt\u0161inou ty nejlevn\u011bj\u0161\u00ed nebo nejjednodu\u0161\u0161\u00ed modely. O\u010dek\u00e1vat od nich vysok\u00fd v\u00fdkon by bylo naivn\u00ed \u2014 funguj\u00ed a to sta\u010d\u00ed. J\u00e1 jsem si v\u0161ak nainstaloval router s gigabitov\u00fdmi porty, s r\u00e1diov\u00fdm modulem, kter\u00fd podporuje pr\u00e1ci na frekvenc\u00edch 2,4 GHz a 5 GHz. Ale rychlost p\u0159ipojen\u00ed k Internetu v r\u00e1mci bytu a zejm\u00e9na v odlehl\u00fdch m\u00edstnostech byla docela frustruj\u00edc\u00ed. \u010c\u00e1ste\u010dn\u011b to bylo zp\u016fsobeno ru\u0161en\u00edm na frekvenci 2,4 GHz, \u010d\u00e1ste\u010dn\u011b \u00fatlumem a v\u00edcen\u00e1sobn\u00fdm odrazem sign\u00e1lu p\u0159i pr\u016fchodu \u017eelezobetonov\u00fdmi konstrukcemi. A tehdy jsem se rozhodl roz\u0161\u00ed\u0159it s\u00ed\u0165 pomoc\u00ed dal\u0161\u00edch za\u0159\u00edzen\u00ed. Vyvstala ot\u00e1zka: Wi-Fi s\u00ed\u0165 nebo Mesh syst\u00e9m? Rozhodl jsem se to prozkoumat, prov\u00e9st testy a pod\u011blit se o sv\u00e9 zku\u0161enosti. V\u00edtejte.
\n<\/a><\/noindex><\/p>\n

Teorie o Wi-Fi a Mesh<\/h3>\n

\nPro b\u011b\u017en\u00e9ho u\u017eivatele, kter\u00fd se p\u0159ipojuje p\u0159es Wi-Fi a sleduje videa na YouTube, nebude \u017e\u00e1dn\u00fd rozd\u00edl v tom, jak\u00fd syst\u00e9m pou\u017e\u00edvat. Z hlediska organizace norm\u00e1ln\u00edho pokryt\u00ed Wi-Fi jsou v\u0161ak tyto syst\u00e9my z\u00e1sadn\u011b odli\u0161n\u00e9, a ka\u017ed\u00fd m\u00e1 sv\u00e9 v\u00fdhody i nev\u00fdhody. Za\u010dn\u011bme s Wi-Fi syst\u00e9mem.<\/p>\n

Wi-Fi syst\u00e9m<\/h3>\n

\n\"Mesh
\n
\nJedn\u00e1 se o s\u00ed\u0165 b\u011b\u017en\u00fdch router\u016f, kter\u00e9 mohou pracovat nez\u00e1visle. V takov\u00e9m syst\u00e9mu je vybr\u00e1n jeden hlavn\u00ed router a ostatn\u00ed se st\u00e1vaj\u00ed pod\u0159\u00edzen\u00fdmi. P\u0159itom p\u0159echod mezi routery z\u016fst\u00e1v\u00e1 pro klienta neviditeln\u00fd, a z pohledu samotn\u00fdch router\u016f se klient p\u0159emis\u0165uje z jedn\u00e9 bun\u011b\u010dn\u00e9 oblasti do druh\u00e9. Tento syst\u00e9m lze p\u0159irovnat k mobiln\u00edmu telefonov\u00e1n\u00ed, proto\u017ee vytv\u00e1\u0159\u00ed jednotnou lok\u00e1ln\u00ed s\u00ed\u0165 s routery-p\u0159evad\u011b\u010di. V\u00fdhody syst\u00e9mu jsou z\u0159ejm\u00e9: s\u00ed\u0165 lze postupn\u011b roz\u0161i\u0159ovat p\u0159id\u00e1v\u00e1n\u00edm nov\u00fdch za\u0159\u00edzen\u00ed podle pot\u0159eby. K tomu sta\u010d\u00ed kupovat levn\u00e9 routery s podporou t\u00e9to technologie. Jeden, ale z\u00e1sadn\u00ed nev\u00fdhodou je, \u017ee ka\u017ed\u00fd router mus\u00ed b\u00fdt p\u0159ipojen k ethernetov\u00e9mu kabelu a nap\u00e1jen\u00ed. To znamen\u00e1, \u017ee pokud jste ji\u017e provedli renovaci a neprov\u00e1d\u011bli jste UTP kabel, mus\u00edte jej bu\u010f prot\u00e1hnout pod podlahov\u00fdmi li\u0161tami, kde je to mo\u017en\u00e9, nebo uva\u017eovat o jin\u00e9m syst\u00e9mu.<\/p>\n

Mesh syst\u00e9m<\/h3>\n

\n\"Mesh
\n
\nJedn\u00e1 se o s\u00ed\u0165 specializovan\u00e9ho vybaven\u00ed, kter\u00e9 tak\u00e9 vytv\u00e1\u0159\u00ed s\u00ed\u0165 ze n\u011bkolika za\u0159\u00edzen\u00ed, \u010d\u00edm\u017e vytv\u00e1\u0159\u00ed nep\u0159etr\u017eit\u00e9 pokryt\u00ed Wi-Fi sign\u00e1lu. Tyto body jsou obvykle dvoup\u00e1smov\u00e9, tak\u017ee mohou pracovat jak v s\u00edt\u00edch 2,4 GHz, tak v s\u00edt\u00edch 5 GHz. Velk\u00fdm plusem je, \u017ee pro p\u0159ipojen\u00ed ka\u017ed\u00e9ho nov\u00e9ho za\u0159\u00edzen\u00ed nen\u00ed t\u0159eba tahat kabel \u2013 navz\u00e1jem se propojuj\u00ed p\u0159es samostatn\u00fd vys\u00edla\u010d, \u010d\u00edm\u017e vytv\u00e1\u0159ej\u00ed svou vlastn\u00ed s\u00ed\u0165 a prost\u0159ednictv\u00edm n\u00ed se p\u0159en\u00e1\u0161ej\u00ed data. Ta jsou n\u00e1sledn\u011b pos\u00edl\u00e1na na b\u011b\u017en\u00fd Wi-Fi adapt\u00e9r, co\u017e dosahuje u\u017eivatele. V\u00fdhoda je z\u0159ejm\u00e1: nen\u00ed t\u0159eba \u017e\u00e1dn\u00fdch dal\u0161\u00edch dr\u00e1t\u016f \u2013 sta\u010d\u00ed zapojit adapt\u00e9r nov\u00e9 jednotky do z\u00e1suvky, spojit ji s hlavn\u00edm routerem a pou\u017e\u00edvat. Ale jsou tu tak\u00e9 nev\u00fdhody. Nap\u0159\u00edklad cena. Cena hlavn\u00edho routeru v\u00fdrazn\u011b p\u0159evy\u0161uje cenu oby\u010dejn\u00e9ho routeru a cena dal\u0161\u00edho adapt\u00e9ru je tak\u00e9 podstatn\u00e1. Zato nen\u00ed t\u0159eba p\u0159ed\u011bl\u00e1vat renovaci, tahat kabely a p\u0159em\u00fd\u0161let o dr\u00e1tech.<\/p>\n

P\u0159ejdeme k praktice<\/h3>\n

\n\"Mesh
\n
\nP\u0159est\u011bhoval jsem se z panelov\u00e9ho bytu do vlastn\u00edho domu a tak\u00e9 jsem se setkal s probl\u00e9mem poklesu rychlosti bezdr\u00e1tov\u00e9 s\u00edt\u011b. D\u0159\u00edve na to m\u011blo velk\u00fd vliv ru\u0161en\u00ed ze strany sousedn\u00edch Wi-Fi router\u016f (a ka\u017ed\u00fd se sna\u017e\u00ed zv\u00fd\u0161it v\u00fdkon na maximum, aby 'potla\u010dil' sousedy a zv\u00fd\u0161il svou rychlost), ale nyn\u00ed ji\u017e hraj\u00ed roli vzd\u00e1lenosti a p\u0159ek\u00e1\u017eky. M\u00edsto bytu o 45 metrech \u010dtvere\u010dn\u00edch jsem se p\u0159est\u011bhoval do dvoupatrov\u00e9ho domu o 200 metrech \u010dtvere\u010dn\u00edch. O \u017eivot\u011b v dom\u011b by se dalo mluvit dlouho, a u\u017e to, \u017ee sousedn\u00ed Wi-Fi bod se jen ob\u010das objev\u00ed v nab\u00eddce telefonu, zat\u00edmco dal\u0161\u00ed bezdr\u00e1tov\u00e9 s\u00edt\u011b se v\u016fbec nezobrazuj\u00ed, vypov\u00edd\u00e1 o mnoh\u00e9m. Ka\u017edop\u00e1dn\u011b jsem se sna\u017eil um\u00edstit router do geografick\u00e9ho st\u0159edu domu a na frekvenc\u00edch 2,4 GHz zaji\u0161\u0165uje spojen\u00ed v\u0161ude, av\u0161ak na pozemku u\u017e pokryt\u00ed pokulh\u00e1v\u00e1. Ale kdy\u017e sleduji film na dom\u00e1c\u00edm serveru<\/a> notebooku v nejvzd\u00e1len\u011bj\u0161\u00ed m\u00edstnosti od routeru, ob\u010das doch\u00e1z\u00ed k zamrz\u00e1n\u00ed. Uk\u00e1zalo se, \u017ee s\u00ed\u0165 5 GHz je nestabiln\u00ed p\u0159i n\u011bkolika st\u011bn\u00e1ch a p\u0159ek\u00e1\u017ek\u00e1ch a notebook se rad\u011bji p\u0159epne na s\u00ed\u0165 2,4 GHz, kter\u00e1 m\u00e1 vy\u0161\u0161\u00ed stabilitu, ale ni\u017e\u0161\u00ed p\u0159enosovou rychlost. 'Pot\u0159ebuji rychlej\u0161\u00ed spojen\u00ed!', jak r\u00e1d \u0159\u00edk\u00e1 Jeremy Clarkson. A tak jsem \u0161el hledat zp\u016fsoby, jak roz\u0161\u00ed\u0159it a zrychlit bezdr\u00e1tov\u00e9 p\u0159ipojen\u00ed. Rozhodl jsem se porovnat p\u0159\u00edmo dv\u011b syst\u00e9my: Wi-Fi syst\u00e9m od Keenetic a Mesh syst\u00e9m od Zyxel.<\/p>\n

\"Mesh
\n
\nZ pohledu Keenetic se z\u00fa\u010dastnily routery Keenetic Giga a Keenetic Viva. Jeden z nich slou\u017eil jako organiz\u00e1tor s\u00edt\u011b, zat\u00edmco druh\u00fd byl pod\u0159\u00edzen\u00fdm bodem. Oba routery maj\u00ed gigabitov\u00fd Ethernet a dvoup\u00e1smov\u00fd r\u00e1diov\u00fd modul. Krom\u011b toho maj\u00ed USB porty a velmi \u0161irok\u00e9 spektrum nastaven\u00ed firmwaru. V dob\u011b testu byl nainstalov\u00e1n posledn\u00ed dostupn\u00fd firmware a vedouc\u00edm byl Keenetic Giga. Byly propojeny gigabitov\u00fdm dr\u00e1tov\u00fdm Ethernetov\u00fdm kabelem.<\/p>\n

\"Mesh
\n
\nZ pohledu Zyxel bude Mesh syst\u00e9m slo\u017een z Multy X a Multi mini. Hlavn\u00ed bod, Multy X, byl p\u0159ipojen k Internetu, zat\u00edmco 'mlad\u0161\u00ed', Multi mini, byla um\u00edst\u011bna v odlehl\u00e9m rohu domu. Hlavn\u00ed bod byl p\u0159ipojen k s\u00edti, zat\u00edmco dal\u0161\u00ed plnila funkci rozvodu s\u00edt\u011b jak bezdr\u00e1tov\u00e9mu, tak dr\u00e1tov\u00e9mu kan\u00e1lu. To znamen\u00e1, \u017ee dal\u0161\u00ed p\u0159ipojen\u00fd bod m\u016f\u017ee tak\u00e9 slou\u017eit jako bezdr\u00e1tov\u00fd adapt\u00e9r pro za\u0159\u00edzen\u00ed, kter\u00e1 nemaj\u00ed Wi-Fi modul, ale maj\u00ed Ethernet port.<\/p>\n

Funk\u010dn\u00ed mo\u017enosti<\/h3>\n

\n\"Mesh
\n
\nV\u00fdrobci \u010dasto ve sv\u00fdch tiskov\u00fdch zpr\u00e1v\u00e1ch uv\u00e1d\u011bj\u00ed neoby\u010dejn\u011b \u0161irok\u00e9 pokryt\u00ed sv\u00fdch za\u0159\u00edzen\u00ed bezdr\u00e1tovou s\u00edt\u00ed. Ale to plat\u00ed pouze na otev\u0159en\u00fdch prostranstv\u00edch, bez st\u011bn, odr\u00e1\u017eej\u00edc\u00edch ploch a r\u00e1diov\u00fdch ru\u0161en\u00ed. Ve skute\u010dnosti se mnoz\u00ed setkali se sn\u00ed\u017een\u00edm rychlosti a ztr\u00e1tou paket\u016f v bytech, kde je na smartphonu vid\u011bt jeden nebo dva tucty bezdr\u00e1tov\u00fdch s\u00edt\u00ed. Proto je efektivn\u011bj\u0161\u00ed vyu\u017e\u00edvat je\u0161t\u011b m\u00e9n\u011b zat\u00ed\u017een\u00e9 p\u00e1smo 5 GHz. <\/p>\n

Abych to zjednodu\u0161il, budu naz\u00fdvat za\u0159\u00edzen\u00ed Wi-Fi a Mesh syst\u00e9my routery. Ka\u017ed\u00fd z router\u016f m\u016f\u017ee b\u00fdt jen bezdr\u00e1tov\u00fdm za\u0159\u00edzen\u00edm. Zaj\u00edm\u00e1 m\u011b v\u0161ak, kolik za\u0159\u00edzen\u00ed a jakou rychlost\u00ed m\u016f\u017ee router poskytnout p\u0159\u00edstup k internetu. K prvn\u00ed ot\u00e1zce vypad\u00e1 situace takto. Po\u010det podporovan\u00fdch za\u0159\u00edzen\u00ed z\u00e1vis\u00ed na Wi-Fi modulu. U Zyxel Multy X a Multy mini to bude 64+64 za\u0159\u00edzen\u00ed na ka\u017ed\u00e9 p\u00e1smo (2,4+5 GHz), tedy p\u0159i dvou bodech lze p\u0159ipojit 128 za\u0159\u00edzen\u00ed na 2,4 GHz a 128 za\u0159\u00edzen\u00ed na 5 GHz.
\nVytvo\u0159en\u00ed Mesh s\u00edt\u011b je maxim\u00e1ln\u011b jednoduch\u00e9 a p\u0159ehledn\u00e9: k pr\u00e1ci sta\u010d\u00ed m\u00edt chytr\u00fd telefon a nainstalovat si aplikaci Zyxel Multi. A nez\u00e1le\u017e\u00ed na tom, zda m\u00e1te za\u0159\u00edzen\u00ed s iOs nebo Android. Podle pokyn\u016f instala\u010dn\u00edho pr\u016fvodce se vytvo\u0159\u00ed s\u00ed\u0165 a p\u0159ipoj\u00ed se v\u0161echna n\u00e1sledn\u00e1 za\u0159\u00edzen\u00ed. Co je p\u0159ekvapiv\u00e9, pro prvotn\u00ed vytvo\u0159en\u00ed s\u00edt\u011b je nutn\u00e9 zapnout geolokaci a m\u00edt p\u0159ipojen\u00ed k internetu. Tak\u017ee budete muset m\u00edt minim\u00e1ln\u011b p\u0159\u00edstup k s\u00edti z chytr\u00e9ho telefonu.<\/p>\n

U router\u016f Keenetic vypad\u00e1 situace pon\u011bkud jinak. Po\u010det p\u0159ipojen\u00fdch klientsk\u00fdch za\u0159\u00edzen\u00ed z\u00e1vis\u00ed na modelu. N\u00ed\u017ee uv\u00e1d\u00edm n\u00e1zvy router\u016f a mo\u017enosti p\u0159ipojen\u00ed klient\u016f v p\u00e1sm\u00e1ch 2,4 a 5 GHz.<\/p>\n

Giga III a Ultra II: 99+99
\nGiga KN-1010 a Viva KN-1910: 84 na ob\u011b p\u00e1sma
\nUltra KN-1810: 90+90
\nAir, Extra II, Air KN-1610, Extra KN-1710: 50+99
\nCity KN-1510: 50+32
\nDuo KN-2110: 58+99
\nDSL KN-2010: 58
\nLite KN-1310, Omni KN-1410, Start KN-1110, 4G KN-1210: 50<\/p>\n

Router m\u016f\u017eete nakonfigurovat jak z po\u010d\u00edta\u010de, tak ze smartphonu. A pokud je v lok\u00e1ln\u00ed s\u00edti to snadno realizovateln\u00e9 p\u0159es webov\u00e9 rozhran\u00ed, pro smartphone existuje speci\u00e1ln\u00ed aplikace, kter\u00e1 n\u00e1sledn\u011b umo\u017en\u00ed vyu\u017e\u00edvat dal\u0161\u00ed funkce, jako je stahov\u00e1n\u00ed torrent\u016f nebo p\u0159\u00edstup k soubor\u016fm na p\u0159ipojen\u00e9m USB \u00falo\u017ei\u0161ti. Keenetic m\u00e1 skv\u011blou funkci \u2013 KeenDNS, kter\u00e1 umo\u017e\u0148uje p\u0159ipojen\u00ed k webov\u00fdm slu\u017eb\u00e1m publikovan\u00fdch slu\u017eeb z extern\u00ed s\u00edt\u011b, pokud m\u00e1te \u0161edou IP adresu. To znamen\u00e1, \u017ee se m\u016f\u017eete p\u0159ipojit k rozhran\u00ed routeru za NAT, m\u016f\u017eete se p\u0159ipojit k rozhran\u00ed videorekord\u00e9ru nebo webov\u00e9ho serveru za NAT. Ale proto\u017ee se tento materi\u00e1l nakonec t\u00fdk\u00e1 s\u00edt\u011b, je t\u0159eba zm\u00ednit, \u017ee organizace Wi-Fi s\u00edt\u011b je tak\u00e9 velmi jednoduch\u00e1: dominantn\u00ed router se st\u00e1v\u00e1 vedouc\u00edm za\u0159\u00edzen\u00edm a na ostatn\u00edch routerech je aktivov\u00e1n re\u017eim pod\u0159\u00edzen\u00fdch adapt\u00e9r\u016f. P\u0159itom mohou pod\u0159\u00edzen\u00e9 routery vytv\u00e1\u0159et VLAN, mohou pracovat v jednotn\u00e9m adresn\u00edm prostoru, na ka\u017ed\u00e9m bezdr\u00e1tov\u00e9m adapt\u00e9ru m\u016f\u017ee b\u00fdt nastaven v\u00fdkon s 10% krokem. Takto lze s\u00ed\u0165 mnohon\u00e1sobn\u011b roz\u0161\u00ed\u0159it. Ale je tu jedno \"ale\": pro organizaci Wi-Fi s\u00edt\u011b mus\u00ed b\u00fdt v\u0161echny routery p\u0159ipojeny pomoc\u00ed Ethernetu.<\/p>\n

Metodika testov\u00e1n\u00ed<\/h3>\n

\nJeliko\u017e bezdr\u00e1tov\u00e1 s\u00ed\u0165 z pohledu klienta nem\u00e1 rozd\u00edl, a z hlediska technick\u00e9 organizace s\u00edt\u011b jsou principy z\u00e1sadn\u011b odli\u0161n\u00e9, byla zvolena metodika z pohledu u\u017eivatele. Testov\u00e1n\u00ed prob\u00edhalo zvl\u00e1\u0161\u0165 na za\u0159\u00edzen\u00edch Zyxel Multy X+ Multiy mini a Keenetic Giga+Keenetic Viva. Aby se p\u0159ede\u0161lo vlivu poskytovatele, byla v lok\u00e1ln\u00ed s\u00edti z\u0159\u00edzena server<\/a> p\u0159ed hlavn\u00edm za\u0159\u00edzen\u00edm. A na u\u017eivatelsk\u00e9m za\u0159\u00edzen\u00ed byl z\u0159\u00edzen klient. V\u00fdsledn\u011b byla topologie n\u00e1sleduj\u00edc\u00ed: server-vedouc\u00ed router-p\u0159\u00edstupov\u00fd bod-klient.<\/p>\n

V\u0161echny testy byly prov\u00e1d\u011bny pomoc\u00ed utilitky Iperf, emuluj\u00edc\u00ed nep\u0159etr\u017eit\u00fd p\u0159enos dat. Ka\u017ed\u00fd test byl prov\u00e1d\u011bn pro 1, 10 a 100 proud\u016f, co\u017e umo\u017e\u0148uje posoudit v\u00fdkon bezdr\u00e1tov\u00e9 s\u00edt\u011b p\u0159i r\u016fzn\u00e9m zat\u00ed\u017een\u00ed. Bylo emulov\u00e1no jak jednoproudov\u00e9 p\u0159enosy dat, jako je sledov\u00e1n\u00ed videa na YouTube, tak v\u00edceproudov\u00e9 p\u0159enosy, nap\u0159\u00edklad p\u0159i pr\u00e1ci torrent stahova\u010de. Testy byly prov\u00e1d\u011bny zvl\u00e1\u0161\u0165 p\u0159i p\u0159ipojen\u00ed p\u0159es s\u00ed\u0165 2,4 a 5 GHz.<\/p>\n

Krom\u011b toho, proto\u017ee za\u0159\u00edzen\u00ed Zyxel Multy a Zyxel mini mohou fungovat jako adapt\u00e9r, byly p\u0159ipojeny p\u0159es Ethernet rozhran\u00ed k u\u017eivatelsk\u00e9mu po\u010d\u00edta\u010di p\u0159i rychlosti 1000 Mbit\/s a byly provedeny t\u0159i testy rychlosti. V podobn\u00e9m testu router Keenetic Vivo fungoval jako Wi-Fi adapt\u00e9r, p\u0159ipojen\u00fd patchkabelem k notebooku.<\/p>\n

Vzd\u00e1lenosti mezi body byly p\u0159ibli\u017en\u011b 10 metr\u016f, \u017eelezobetonov\u00e9 p\u0159eklady a dv\u011b st\u011bny. Vzd\u00e1lenost od notebooku k posledn\u00edmu p\u0159\u00edstupov\u00e9mu bodu byla 1 metr.<\/p>\n

V\u0161echny \u00fadaje byly zaznamen\u00e1ny do tabulky a grafy rychlosti byly sestaveny.<\/p>\n

\"Mesh
\n<\/p>\n

V\u00fdsledky<\/h3>\n

\nA te\u010f p\u0159i\u0161el \u010das pod\u00edvat se na \u010d\u00edsla a grafy. Graf je p\u0159ehledn\u011bj\u0161\u00ed, tak\u017ee ho hned uvedu.<\/p>\n

\"Mesh
\n
\nNa grafech jsou n\u00e1sleduj\u00edc\u00ed spojen\u00ed:
\nZyxel mini: server \u2014 kabel \u2014 Zyxel Multy X \u2014 bezdr\u00e1tov\u011b \u2014 Zyxel Multy mini \u2014 notebook (adapt\u00e9r Intel Dual Band Wireless-AC 7265)
\nZyxel Multy: server \u2014 kabel \u2014 Zyxel Multy X \u2014 bezdr\u00e1tov\u011b \u2014 Zyxel Multy X \u2014 notebook (adapt\u00e9r Intel Dual Band Wireless-AC 7265)
\nKeenetic Wi-Fi: server \u2014 kabel \u2014 Keenetic Giga \u2014 kabel \u2014 Keenetic Viva \u2014 notebook (adapt\u00e9r Intel Dual Band Wireless-AC 7265)
\nKeenetic zesilova\u010d: server \u2014 kabel \u2014 Keenetic Giga \u2014 bezdr\u00e1tov\u011b \u2014 Keenetic Viva (jako opakova\u010d) \u2014 notebook (adapt\u00e9r Intel Dual Band Wireless-AC 7265)
\nKeenetic adapt\u00e9r: server \u2014 kabel \u2014 Keenetic Giga \u2014 bezdr\u00e1tov\u011b \u2014 Keenetic Viva (v re\u017eimu adapt\u00e9ru) \u2014 kabel \u2014 notebook
\nZyxel mini adapt\u00e9r: server \u2014 kabel \u2014 Zyxel Multy X \u2014 bezdr\u00e1tov\u011b \u2014 Zyxel Multy mini \u2014 kabel \u2014 notebook
\nZyxel Multy adapt\u00e9r: server \u2014 kabel \u2014 Zyxel Multy X \u2014 bezdr\u00e1tov\u011b \u2014 Zyxel Multy X \u2014 kabel \u2014 notebook<\/p>\n

Na obr\u00e1zku je vid\u011bt, \u017ee v\u0161echna za\u0159\u00edzen\u00ed na frekvenci 2,4 GHz jsou m\u00e9n\u011b v\u00fdkonn\u00e1 ne\u017e na frekvenci 5 GHz. A to i p\u0159esto, \u017ee kolem nebyl \u0161um z ru\u0161iv\u00fdch sousedn\u00edch s\u00edt\u00ed, proto\u017ee v p\u0159\u00edpad\u011b p\u0159\u00edtomnosti \u0161umov\u00e9ho ru\u0161en\u00ed na frekvenci 2,4 GHz by byl v\u00fdsledek znateln\u011b hor\u0161\u00ed. P\u0159esto je z\u0159eteln\u011b vid\u011bt, \u017ee rychlost p\u0159enosu dat na frekvenci 5 GHz je t\u00e9m\u011b\u0159 dvojn\u00e1sobn\u00e1 ve srovn\u00e1n\u00ed s 2,4 GHz. Krom\u011b toho je patrn\u00e9, \u017ee na rychlost m\u00e1 vliv i po\u010det paraleln\u00edch stahov\u00e1n\u00ed, co\u017e znamen\u00e1, \u017ee p\u0159i zv\u00fd\u0161en\u00ed po\u010dtu tok\u016f je p\u00e1smo datov\u00e9ho p\u0159enosu vyu\u017e\u00edv\u00e1no hust\u011bji, a\u010dkoli rozd\u00edl nen\u00ed tak v\u00fdrazn\u00fd. <\/p>\n

Je velmi dob\u0159e vid\u011bt, kdy\u017e router Keenetic fungoval jako opakova\u010d, \u017ee rychlost p\u0159enosu se d\u011bl\u00ed na polovinu, tak\u017ee je t\u0159eba to zohlednit, pokud chcete p\u0159en\u00e1\u0161et velk\u00e9 objemy informac\u00ed vysokou rychlost\u00ed, a ne pouze roz\u0161i\u0159ovat pokryt\u00ed Wi-Fi s\u00edt\u011b.<\/p>\n

Na posledn\u00edm testu, kde Zyxel Multy X a Zyxel Multy mini fungovaly jako adapt\u00e9r pro kabelov\u00e9 p\u0159ipojen\u00ed vzd\u00e1len\u00e9ho za\u0159\u00edzen\u00ed (spojen\u00ed mezi z\u00e1kladn\u00edm Zyxel Multy X a p\u0159ij\u00edmaj\u00edc\u00edm za\u0159\u00edzen\u00edm bylo bezdr\u00e1tov\u00e9), se prok\u00e1zaly v\u00fdhody Multy X, zejm\u00e9na p\u0159i v\u00edcestandardn\u00edm p\u0159enosu dat. Ovlivnil to vy\u0161\u0161\u00ed po\u010det ant\u00e9n u Zyxel Multy X: 9 kus\u016f oproti 6 u Zyxel Multy mini. <\/p>\n

Z\u00e1v\u011br<\/h3>\n

\nJe tedy z\u0159ejm\u00e9, \u017ee i p\u0159i nezat\u00ed\u017een\u00e9m p\u00e1smu na frekvenci 2,4 GHz m\u00e1 smysl p\u0159ej\u00edt na 5 GHz, kdy\u017e je pot\u0159eba p\u0159en\u00e1\u0161et velk\u00e9 objemy informac\u00ed dostate\u010dn\u011b rychle. P\u0159itom i na frekvenci 2,4 GHz lze vcelku pohodln\u011b sledovat filmy v kvalit\u011b Full HD, pokud vyu\u017eijete router jako repeater. Ale u film\u016f ve 4K s norm\u00e1ln\u00edm bitrate u\u017e se za\u010dne obraz trhat, proto mus\u00ed router a p\u0159ehr\u00e1vac\u00ed za\u0159\u00edzen\u00ed zvl\u00e1dat pr\u00e1ci na frekvenci 5 GHz. Nejvy\u0161\u0161\u00ed rychlosti se dos\u00e1hne, pokud je jako bezdr\u00e1tov\u00fd adapt\u00e9r pou\u017eit set ze dvou Zyxel Multy X nebo Zyxel Multi X+ Multy mini. <\/p>\n

A nyn\u00ed o cen\u00e1ch. Otestovan\u00e1 dvojice router\u016f Keenetic Giga+ Keenetic Viva stoj\u00ed 14 800 rubl\u016f. A set Zyxel Multy X+Multy mini \u2013 21 900 rubl\u016f.<\/p>\n

\"Mesh
\n
\nMesh syst\u00e9m Zyxel m\u016f\u017ee zajistit \u0161irok\u00e9 pokryt\u00ed p\u0159i velmi slu\u0161n\u00e9 rychlosti bez nutnosti pokl\u00e1d\u00e1n\u00ed dal\u0161\u00edch kabel\u016f. To je obzvl\u00e1\u0161\u0165 aktu\u00e1ln\u00ed, kdy\u017e je renovace ji\u017e hotov\u00e1 a dodate\u010dn\u00e1 kroucen\u00e1 dvojlinka nebyla polo\u017eena. Krom\u011b toho je organizace takov\u00e9 s\u00edt\u011b maxim\u00e1ln\u011b jednoduch\u00e1 prost\u0159ednictv\u00edm aplikace na smartphonu. Je t\u0159eba dodat, \u017ee Mesh s\u00ed\u0165 m\u016f\u017ee obsahovat a\u017e 6 za\u0159\u00edzen\u00ed a m\u00edt jak hv\u011bzdicovou, tak stromovou topologii. Tedy koncov\u00e9 za\u0159\u00edzen\u00ed m\u016f\u017ee b\u00fdt velmi daleko od z\u00e1kladn\u00edho routeru, kter\u00fd je p\u0159ipojen k internetu.<\/p>\n

\"Mesh
\n
\nWi-Fi syst\u00e9m zalo\u017een\u00fd na routerech Keenetic je v\u0161ak mnohem funk\u010dn\u011bj\u0161\u00ed a zaji\u0161\u0165uje levn\u011bj\u0161\u00ed uspo\u0159\u00e1d\u00e1n\u00ed s\u00edt\u011b. Ale k tomu je vy\u017eadov\u00e1no kabelov\u00e9 p\u0159ipojen\u00ed. Vzd\u00e1lenost mezi routery m\u016f\u017ee b\u00fdt a\u017e 100 metr\u016f a rychlost se kv\u016fli p\u0159enosu p\u0159es gigabitov\u00e9 dr\u00e1tov\u00e9 p\u0159ipojen\u00ed v\u016fbec nesn\u00ed\u017e\u00ed. V takov\u00e9 s\u00edti m\u016f\u017ee b\u00fdt nav\u00edc v\u00edce ne\u017e 6 za\u0159\u00edzen\u00ed a roaming Wi-Fi za\u0159\u00edzen\u00ed p\u0159i pohybu bude bezprobl\u00e9mov\u00fd.<\/p>\n

Tak\u017ee si ka\u017ed\u00fd mus\u00ed s\u00e1m rozhodnout, co si vybrat: funk\u010dnost a pot\u0159ebu pokl\u00e1dky s\u00ed\u0165ov\u00e9ho kabelu, nebo jednoduchost roz\u0161\u00ed\u0159en\u00ed bezdr\u00e1tov\u00e9 s\u00edt\u011b za n\u011bkolik v\u011bt\u0161\u00ed pen\u00edze.
\n
Zdroj: habr.com<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u041a\u043e\u0433\u0434\u0430 \u044f \u0435\u0449\u0435 \u0436\u0438\u043b \u0432 \u043c\u043d\u043e\u0433\u043e\u043a\u0432\u0430\u0440\u0442\u0438\u0440\u043d\u043e\u043c \u0434\u043e\u043c\u0435, \u044f \u0441\u0442\u0430\u043b\u043a\u0438\u0432\u0430\u043b\u0441\u044f \u0441 \u043f\u0440\u043e\u0431\u043b\u0435\u043c\u043e\u0439 \u043d\u0438\u0437\u043a\u043e\u0439 \u0441\u043a\u043e\u0440\u043e\u0441\u0442\u0438 \u0432 \u0434\u0430\u043b\u044c\u043d\u0435\u043c \u043e\u0442 \u0440\u043e\u0443\u0442\u0435\u0440\u0430 \u043f\u043e\u043c\u0435\u0449\u0435\u043d\u0438\u0438. \u0412\u0435\u0434\u044c \u0443 \u043c\u043d\u043e\u0433\u0438\u0445 \u0440\u043e\u0443\u0442\u0435\u0440 \u0441\u0442\u043e\u0438\u0442 \u0432 \u043f\u0440\u0438\u0445\u043e\u0436\u0435\u0439, \u043a\u0443\u0434\u0430 \u043f\u0440\u043e\u0432\u0430\u0439\u0434\u0435\u0440 \u0434\u043e\u0442\u044f\u043d\u0443\u043b \u043e\u043f\u0442\u0438\u043a\u0443 \u0438\u043b\u0438 UTP, \u0438 \u0442\u0430\u043c \u0436\u0435 \u0431\u044b\u043b \u043f\u043e\u0441\u0442\u0430\u0432\u043b\u0435\u043d \u0442\u0438\u043f\u043e\u0432\u043e\u0439 \u0434\u0435\u0432\u0430\u0439\u0441. \u0415\u0449\u0435 \u0445\u043e\u0440\u043e\u0448\u043e, \u043a\u043e\u0433\u0434\u0430 \u0441\u043e\u0431\u0441\u0442\u0432\u0435\u043d\u043d\u0438\u043a \u043c\u0435\u043d\u044f\u0435\u0442 \u043c\u0430\u0440\u0448\u0440\u0443\u0442\u0438\u0437\u0430\u0442\u043e\u0440 \u043d\u0430 \u0441\u0432\u043e\u0439 \u0441\u043e\u0431\u0441\u0442\u0432\u0435\u043d\u043d\u044b\u0439, \u0430 \u0442\u0438\u043f\u043e\u0432\u044b\u0435 \u0443\u0441\u0442\u0440\u043e\u0439\u0441\u0442\u0432\u0430 \u043e\u0442 \u043f\u0440\u043e\u0432\u0430\u0439\u0434\u0435\u0440\u0430 \u2013 \u044d\u0442\u043e, \u043a\u0430\u043a […]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":27884,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[688],"tags":[],"class_list":["post-37190","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-administrirovanie"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\n","aioseo_head_json":{"title":"\ud83e\udd47Mesh VS WiFi: co si vybrat pro bezdr\u00e1tov\u00e9 p\u0159ipojen\u00ed? | ProHoster","description":"Kdy\u017e jsem je\u0161t\u011b \u017eil v panelov\u00e9m dom\u011b, byl jsem.","canonical_url":"https:\/\/prohoster.info\/cs\/blog\/administrirovanie\/mesh-vs-wifi-chto-vybrat-dlya-besprovodnoj-svyazi","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"cs_CZ","og:site_name":"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b","og:type":"article","og:title":"\ud83e\udd47Mesh VS WiFi: \u0447\u0442\u043e \u0432\u044b\u0431\u0440\u0430\u0442\u044c \u0434\u043b\u044f \u0431\u0435\u0441\u043f\u0440\u043e\u0432\u043e\u0434\u043d\u043e\u0439 \u0441\u0432\u044f\u0437\u0438? | ProHoster","og:description":"\u041a\u043e\u0433\u0434\u0430 \u044f \u0435\u0449\u0435 \u0436\u0438\u043b \u0432 \u043c\u043d\u043e\u0433\u043e\u043a\u0432\u0430\u0440\u0442\u0438\u0440\u043d\u043e\u043c \u0434\u043e\u043c\u0435, \u044f.","og:url":"https:\/\/prohoster.info\/cs\/blog\/administrirovanie\/mesh-vs-wifi-chto-vybrat-dlya-besprovodnoj-svyazi","og:image":"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg","og:image:secure_url":"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg","og:image:width":350,"og:image:height":350,"article:published_time":"2019-10-31T19:16:15+00:00","article:modified_time":"2019-10-31T19:16:15+00:00","article:publisher":"https:\/\/www.facebook.com\/prohoster","article:author":"https:\/\/www.facebook.com\/prohoster"},"aioseo_meta_data":{"post_id":"37190","title":null,"description":null,"keywords":null,"keyphrases":null,"primary_term":null,"canonical_url":null,"og_title":null,"og_description":null,"og_object_type":"default","og_image_type":"default","og_image_url":null,"og_image_width":null,"og_image_height":null,"og_image_custom_url":null,"og_image_custom_fields":null,"og_video":null,"og_custom_url":null,"og_article_section":null,"og_article_tags":null,"twitter_use_og":false,"twitter_card":"default","twitter_image_type":"default","twitter_image_url":null,"twitter_image_custom_url":null,"twitter_image_custom_fields":null,"twitter_title":null,"twitter_description":null,"schema":{"blockGraphs":[],"customGraphs":[],"default":{"data":{"Article":[],"Course":[],"Dataset":[],"FAQPage":[],"Movie":[],"Person":[],"Product":[],"ProductReview":[],"Car":[],"Recipe":[],"Service":[],"SoftwareApplication":[],"WebPage":[]},"graphName":"","isEnabled":true},"graphs":[]},"schema_type":null,"schema_type_options":null,"pillar_content":false,"robots_default":true,"robots_noindex":false,"robots_noarchive":false,"robots_nosnippet":false,"robots_nofollow":false,"robots_noimageindex":false,"robots_noodp":false,"robots_notranslate":false,"robots_max_snippet":null,"robots_max_videopreview":null,"robots_max_imagepreview":"large","priority":null,"frequency":null,"local_seo":null,"seo_analyzer_scan_date":"2026-02-22 15:55:22","breadcrumb_settings":null,"limit_modified_date":false,"reviewed_by":null,"ai":null,"created":"2021-03-01 01:32:13","updated":"2026-02-22 15:55:22","focus_keyword":null,"additional_keywords":null,"truseo_locale":null},"gt_translate_keys":[{"key":"link","format":"url"}],"_links":{"self":[{"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/posts\/37190","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/comments?post=37190"}],"version-history":[{"count":2,"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/posts\/37190\/revisions"}],"predecessor-version":[{"id":172817,"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/posts\/37190\/revisions\/172817"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/media\/27884"}],"wp:attachment":[{"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/media?parent=37190"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/categories?post=37190"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/tags?post=37190"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}