{"id":94055,"date":"2020-09-12T07:42:40","date_gmt":"2020-09-12T05:42:40","guid":{"rendered":"https:\/\/prohoster.info\/blog\/administrirovanie\/kak-mobilnyj-internet-udelal-provodnoj-sravnitelnoe-testirovanie-lte-cat-4-6-12"},"modified":"2020-09-12T07:42:40","modified_gmt":"2020-09-12T05:42:40","slug":"kak-mobilnyj-internet-udelal-provodnoj-sravnitelnoe-testirovanie-lte-cat-4-6-12","status":"publish","type":"post","link":"https:\/\/prohoster.info\/cs\/blog\/administrirovanie\/kak-mobilnyj-internet-udelal-provodnoj-sravnitelnoe-testirovanie-lte-cat-4-6-12","title":{"rendered":"Jak mobiln\u00ed internet p\u0159evy\u0161uje pevn\u00fd. Srovn\u00e1vac\u00ed testov\u00e1n\u00ed LTE Cat 4, 6, 12","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Seberozhodnut\u00ed a n\u00e1sledn\u00e1 pr\u00e1ce na d\u00e1lku vzbudily z\u00e1jem o mobiln\u00ed internet, a \u010d\u00edm d\u00e1l \u010dast\u011bji jsem v koment\u00e1\u0159\u00edch nebo soukrom\u00fdch zpr\u00e1v\u00e1ch dost\u00e1val ot\u00e1zky, jak si za\u0159\u00eddit norm\u00e1ln\u00ed p\u0159\u00edstup k s\u00edti z oblasti mimo m\u011bsto. B\u011bhem pandemie jsem si v\u0161iml, \u017ee zat\u00ed\u017een\u00ed s\u00edt\u011b vzrostlo nejen n\u011bkolikr\u00e1t, ale nesm\u00edrn\u011b: d\u0159\u00edve voln\u00e1 v\u011b\u017e Beeline poskytovala a\u017e 40 Mbit\/s na stahov\u00e1n\u00ed, a na konci dubna rychlost poklesla na 1 Mbit\/s. A n\u011bkdy v kv\u011btnu se zrodil n\u00e1pad prov\u00e9st srovn\u00e1vac\u00ed test router\u016f r\u016fzn\u00fdch kategori\u00ed, kter\u00e9 podporuj\u00ed agregaci kan\u00e1l\u016f, co\u017e umo\u017en\u00ed zv\u00fd\u0161it rychlost s\u00edt\u011b i p\u0159i zat\u00ed\u017een\u00e9 v\u011b\u017ei. Teorie a testy pod katem.<\/p>\n

\r\n \"P\u0159ehr\u00e1t\r\n
<\/div>\r\n <\/div><\/center>
\n<\/a><\/noindex><\/p>\n

Trochu teorie<\/h3>\n

\nNa \u010dem z\u00e1vis\u00ed rychlost p\u0159enosu dat z z\u00e1kladnov\u00e9 stanice (BTS) k odb\u011brateli? Pokud vylou\u010d\u00edme ru\u0161en\u00ed, vzd\u00e1lenost mezi odb\u011bratelem a BTS, zat\u00ed\u017een\u00ed na BTS a zat\u00ed\u017een\u00ed kan\u00e1lu od samotn\u00e9 BTS a\u017e k internetu, z\u016fst\u00e1v\u00e1 jen \u0161\u00ed\u0159ka kan\u00e1lu, modulace, frekvence p\u0159enosu dat a po\u010det t\u011bchto kan\u00e1l\u016f. <\/p>\n

Za\u010dneme s frekvenc\u00ed: LTE v Rusku funguje na frekvenc\u00edch 450, 800, 900, 1800, 1900, 2100, 2300, 2500 a 2600 MHz. Pokud si vzpomeneme na fyziku, tam bylo n\u00e1zorn\u011b vysv\u011btleno, \u017ee ni\u017e\u0161\u00ed frekvence maj\u00ed lep\u0161\u00ed pronikavost a ztr\u00e1c\u00ed se na v\u011bt\u0161\u00ed vzd\u00e1lenosti. Proto se ve m\u011bstech obvykle pou\u017e\u00edvaj\u00ed vy\u0161\u0161\u00ed frekvence s hust\u011bj\u0161\u00edm rozm\u00edst\u011bn\u00edm BTS, zat\u00edmco na venkov\u011b se \u010dast\u011bji pou\u017e\u00edvaj\u00ed ni\u017e\u0161\u00ed frekvence, kter\u00e9 umo\u017e\u0148uj\u00ed v\u00fdstavbu v\u011b\u017e\u00ed m\u00e9n\u011b \u010dasto. Z\u00e1vis\u00ed to tak\u00e9 na tom, kterou frekvenci p\u0159id\u011blil oper\u00e1tor v dan\u00e9m regionu.<\/p>\n

\u0160\u00ed\u0159ka kan\u00e1lu: V Rusku se nej\u010dast\u011bji vyskytuje \u0161\u00ed\u0159ka kan\u00e1lu 5, 10 a 20 MHz, a\u010dkoli \u0161\u00ed\u0159ka m\u016f\u017ee b\u00fdt od 1,4 do 20 MHz. <\/p>\n

Modulace: QPSK, 16QAM, 64 QAM a 256 QAM. Tady to ji\u017e z\u00e1vis\u00ed na poskytovateli slu\u017eeb. Nehodl\u00e1m se zab\u00fdvat technick\u00fdmi detaily, ale funguje zde pravidlo: \u010d\u00edm vy\u0161\u0161\u00ed modulace podle tohoto po\u0159ad\u00ed - t\u00edm vy\u0161\u0161\u00ed rychlost. <\/p>\n

Po\u010det kan\u00e1l\u016f: P\u0159\u00edjmov\u00fd r\u00e1diov\u00fd modul m\u016f\u017ee pracovat v re\u017eimu agregace kan\u00e1l\u016f, pokud to podporuje mobiln\u00ed oper\u00e1tor. Nap\u0159\u00edklad stanice poskytuje data na frekvenc\u00edch 1800 a 2600 MHz. R\u00e1diov\u00fd modul LTE Cat.4 bude schopen pracovat pouze s jednou z t\u011bchto frekvenc\u00ed. Modul kategorie 6 bude schopen pracovat s ob\u011bma frekvencemi a s\u010d\u00edtat rychlost z obou modul\u016f. Za\u0159\u00edzen\u00ed kategorie 12 bude pracovat se t\u0159emi nosn\u00fdmi: nap\u0159\u00edklad se dv\u011bma na frekvenci 1800 MHz (1800+1800) a jednou na frekvenci 2600 MHz. Skute\u010dn\u00e1 rychlost nebude trojn\u00e1sobn\u00e1, ale bude z\u00e1viset pouze na zat\u00ed\u017een\u00ed BTS a \u0161\u00ed\u0159ce kan\u00e1lu internetov\u00e9 slu\u017eby samotn\u00e9 z\u00e1kladnov\u00e9 stanice. Setkal jsem se s p\u0159\u00edpady p\u0159i pr\u00e1ci s Cat.6, kdy pr\u00e1ce s jedn\u00edm kan\u00e1lem d\u00e1vala rychlost 40 Mb\/s, zat\u00edmco se dv\u011bma kan\u00e1ly 65-70 Mb\/s. Souhlas\u00edte, \u017ee je to hezk\u00fd n\u00e1r\u016fst!<\/p>\n

N\u00e1pad na test<\/h3>\n

\nTak jsem m\u011bl n\u00e1pad otestovat routery r\u016fzn\u00fdch kategori\u00ed, abych zjistil skute\u010dn\u00fd obraz, kter\u00fd se otev\u0159e b\u011b\u017en\u00e9mu u\u017eivateli. Probl\u00e9m spo\u010d\u00edv\u00e1 v tom, \u017ee je t\u0159eba br\u00e1t routery jedn\u00e9 \u0159ady nebo pouze s r\u016fzn\u00fdmi r\u00e1diov\u00fdmi moduly, proto\u017ee routery od r\u016fzn\u00fdch v\u00fdrobc\u016f ur\u010dit\u011b budou pou\u017e\u00edvat r\u016fznou v\u00fdbavu, kter\u00e1 m\u016f\u017ee ovlivnit v\u00fdsledky m\u011b\u0159en\u00ed. Proto jsem p\u0159i\u0161el na my\u0161lenku testovat pouze jednoho v\u00fdrobce, ale r\u016fzn\u00e9 routery.<\/p>\n

Druh\u00fdm krokem bylo vybr\u00e1n\u00ed typu za\u0159\u00edzen\u00ed pro testy: m\u016f\u017eete vz\u00edt jednodu\u0161e router a p\u0159ipojit k n\u011bmu ant\u00e9nu p\u0159es mont\u00e1\u017e kabel\u016f, ale praxe uk\u00e1zala, \u017ee u\u017eivatel chce z\u00edskat kombinaci, do kter\u00e9 sta\u010d\u00ed vlo\u017eit SIM kartu a zapnout za\u0159\u00edzen\u00ed do s\u00edt\u011b. Tak jsem p\u0159i\u0161el na my\u0161lenku testovat monobloky, tedy router a ant\u00e9nu v jedn\u00e9 sk\u0159\u00edni. <\/p>\n

T\u0159et\u00edm krokem jsem se rozhodl pro v\u00fdrobce: u Zyxel maj\u00ed nej\u0161ir\u0161\u00ed \u0159adu monoblok\u016f s r\u016fzn\u00fdmi LTE kategoriemi, tak\u017ee volba byla zcela z\u0159ejm\u00e1. <\/p>\n

Pro test jsem vzal n\u00e1sleduj\u00edc\u00ed routery: LTE 7240, LTE 7460 a LTE 7480. <\/p>\n

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

\nAby ocenit mo\u017enosti router\u016f, rozhodlo se prov\u00e9st trochu \u201esyntetick\u00e9ho\u201c testu a re\u00e1ln\u00fd test. Syntetick\u00fd test spo\u010d\u00edval v tom, \u017ee m\u011b\u0159en\u00ed rychlosti byla prov\u00e1d\u011bna ve vzd\u00e1lenosti p\u0159ibli\u017en\u011b 200 metr\u016f od z\u00e1kladn\u00ed stanice v p\u00e1smu vyza\u0159uj\u00edc\u00ed ant\u00e9ny, co\u017e umo\u017enilo dos\u00e1hnout lep\u0161\u00ed \u00farove\u0148 sign\u00e1lu. P\u0159ipojen\u00ed prob\u00edhalo k v\u011b\u017e\u00edm Megafon, proto\u017ee tyto zaji\u0161\u0165ovaly maxim\u00e1ln\u00ed \u0161\u00ed\u0159ku p\u00e1sma v tomto m\u00edst\u011b 20 MHz. Testoval jsem routery ve dvou regionech, kde podle mapy pokryt\u00ed oper\u00e1tor slibuje rychlost a\u017e 150 a 300 Mbit\/s. Re\u00e1ln\u00fd test spo\u010d\u00edval v um\u00edst\u011bn\u00ed routeru u m\u011b doma, kde jsem testoval p\u0159edchoz\u00ed routery. Podm\u00ednky p\u0159ipojen\u00ed v tomto re\u017eimu jsou mnohem slo\u017eit\u011bj\u0161\u00ed, proto\u017ee vzd\u00e1lenost k v\u011b\u017e\u00edm \u010din\u00ed 8 km a nen\u00ed p\u0159\u00edm\u00e1 viditelnost, na cest\u011b sign\u00e1lu se nach\u00e1zej\u00ed stromy. Tak\u017ee bylo provedeno celkem t\u0159i testy:<\/p>\n

    \n
  1. Vzd\u00e1lenost k v\u011b\u017ei ~200 m. Oblast s maxim\u00e1ln\u00ed deklarovanou rychlost\u00ed 150 Mbit\/s. \u010cas testov\u00e1n\u00ed 12-13 hodin.<\/li>\n
  2. Vzd\u00e1lenost k v\u011b\u017ei ~200 m. Oblast s maxim\u00e1ln\u00ed deklarovanou rychlost\u00ed 300 Mbit\/s. \u010cas testov\u00e1n\u00ed 12-13 hodin.<\/li>\n
  3. Vzd\u00e1lenost k v\u011b\u017ei ~8000 m. Nen\u00ed p\u0159\u00edm\u00e1 viditelnost. Oblast s maxim\u00e1ln\u00ed deklarovanou rychlost\u00ed 150 Mbit\/s. \u010cas testov\u00e1n\u00ed 12-13 hodin.<\/li>\n<\/ol>\n

    \nV\u0161echny testy byly prov\u00e1d\u011bny se stejnou SIM kartou ve v\u0161edn\u00ed dny. \u010cas byl vyb\u00edr\u00e1n kolem 12-13 hodin, aby se vyhnulo rann\u00edm a ve\u010dern\u00edm \u0161pi\u010dk\u00e1m z\u00e1t\u011b\u017ee na BS. Testy byly provedeny n\u011bkolikr\u00e1t na dvou r\u016fzn\u00fdch serveru<\/a> pomoc\u00ed slu\u017eby Speedtest: Moscow Megafon a Moscow RETN. Rychlost se m\u00edrn\u011b li\u0161ila, proto\u017ee servery<\/a> maj\u00ed r\u016fznou z\u00e1t\u011b\u017e. Je \u010das p\u0159istoupit k test\u016fm, ale nejprve extern\u00ed popis a technick\u00e9 specifikace ka\u017ed\u00e9ho routeru.<\/p>\n

    \"Jak
    \n
    \nZyxel LTE 7240-M403<\/b>
    \n\"Jak
    \nStartovn\u00ed router z \u0159ady celoro\u010dn\u00edch LTE za\u0159\u00edzen\u00ed od spole\u010dnosti Zyxel. Lze ho upevnit na ze\u010f domu pomoc\u00ed speci\u00e1ln\u00ed desky, nebo ho lze fixovat na trubku pomoc\u00ed svorek. Nen\u00ed vybaven dr\u017e\u00e1kem s n\u011bkolika stupni volnosti, proto je dobr\u00e9 p\u0159ipravit ty\u010d pro venkovn\u00ed mont\u00e1\u017e a p\u0159esn\u011bj\u0161\u00ed nasm\u011brov\u00e1n\u00ed na BTS. I p\u0159es mal\u00e9 rozm\u011bry disponuje dobrou ant\u00e9nou a jednoduchost\u00ed instalace: SIM karta a Ethernet kabel se zasouvaj\u00ed do t\u011bla, kter\u00e9 v\u0161e t\u011bsn\u00ed speci\u00e1ln\u00ed krytkou. Router je vybaven Wi-Fi modulem, co\u017e umo\u017e\u0148uje nejen vyu\u017e\u00edvat p\u0159\u00edstup k internetu kabelem, ale tak\u00e9 pokr\u00fdt bezdr\u00e1tov\u00fdm sign\u00e1lem okoln\u00ed \u00fazem\u00ed. Router obsahuje modul s podporou Cat.4 a maxim\u00e1ln\u00ed rychlost stahov\u00e1n\u00ed, dosa\u017een\u00e1 b\u011bhem testov\u00e1n\u00ed, dos\u00e1hla 105 Mbit\/s \u2014 skv\u011bl\u00fd v\u00fdsledek pro takov\u00e9 za\u0159\u00edzen\u00ed. P\u0159i testov\u00e1n\u00ed za re\u00e1ln\u00fdch podm\u00ednek, kdy bylo od z\u00e1kladnov\u00e9 stanice v\u00edce ne\u017e 8 km, se poda\u0159ilo dos\u00e1hnout maxim\u00e1ln\u00ed rychlosti 23,5 Mbit\/s. N\u011bkte\u0159\u00ed by mohli \u0159\u00edct, \u017ee to je m\u00e1lo, ale \u010dasto se vyskytuj\u00ed oper\u00e1to\u0159i optick\u00fdch linek, kte\u0159\u00ed cht\u011bj\u00ed za 10 Mbit\/s platit mezi 500 a 1200 korunami m\u011bs\u00ed\u010dn\u011b, a p\u0159ipojen\u00ed tak tak\u00e9 bude st\u00e1t mezi 10 a 40 tis\u00edci korunami. Takto tedy mobiln\u00ed internet vyjde levn\u011bji a je mnohem jednodu\u0161\u0161\u00ed na mont\u00e1\u017e a p\u0159ipojen\u00ed v jak\u00e9mkoli m\u00edst\u011b. Celkov\u011b tento router umo\u017en\u00ed pohodln\u011b pracovat na d\u00e1lku a u\u017e\u00edvat si sledov\u00e1n\u00ed vide\u00ed a dostate\u010dn\u011b rychl\u00e9 surfov\u00e1n\u00ed po s\u00edti. Pokud ji\u017e m\u00e1te hotovou infrastrukturu s IP kamerami nebo syst\u00e9mem videodohledu, sta\u010d\u00ed p\u0159idat tento router, abyste mohli d\u00e1lkov\u011b monitorovat sv\u016fj bezpe\u010dnostn\u00ed syst\u00e9m.<\/p>\n

    Zyxel LTE7460-M608<\/b>
    \n\"Jak
    \nToto za\u0159\u00edzen\u00ed je logick\u00fdm pokra\u010dov\u00e1n\u00edm legend\u00e1rn\u00edho za\u0159\u00edzen\u00ed Zyxel LTE 6100, kter\u00e9 otev\u0159elo \u00e9ru LTE modem\u016f typu monoblok. D\u0159\u00edv\u011bj\u0161\u00ed model m\u011bl vnit\u0159n\u00ed blok, kter\u00fd byl um\u00edst\u011bn uvnit\u0159 budovy, zat\u00edmco ant\u00e9na s modemem byla venku. Za\u0159\u00edzen\u00ed podporuje technologii LTE Cat.6, co\u017e zahrnuje agregaci dvou nosi\u010d\u016f a zv\u00fd\u0161en\u00ed p\u0159\u00edchoz\u00ed rychlosti, pokud je to podporov\u00e1no z\u00e1kladnovou stanic\u00ed. Instalace SIM karty do routeru je slo\u017eit\u00fd proces, nebo\u0165 deska s injector je um\u00edst\u011bna hluboko uvnit\u0159 ant\u00e9ny a p\u0159i mont\u00e1\u017ei ve v\u00fd\u0161ce je vysok\u00e9 riziko, \u017ee SIM karta vypadne. Proto velmi doporu\u010duji vlo\u017eit kartu dole a teprve pot\u00e9 montovat router do v\u00fd\u0161ky. Jako prvn\u00ed monoblok v \u0159ad\u011b Zyxel nen\u00ed vybaven Wi-Fi modulem, tak\u017ee p\u0159ipojen\u00ed k internetu je mo\u017en\u00e9 pouze p\u0159es kabel. T\u00edm se otev\u00edr\u00e1 svoboda volby Wi-Fi bodu, kter\u00fd bude nainstalov\u00e1n v dom\u00e1cnosti. Zyxel LTE7460 se snadno integruje do st\u00e1vaj\u00edc\u00ed infrastruktury a m\u016f\u017ee pracovat v re\u017eimu mostu. Co se t\u00fd\u010de rychlostn\u00edch parametr\u016f, router v testech dok\u00e1zal vyk\u00e1zat solidn\u00edch 137 Mbit\/s na stahov\u00e1n\u00ed \u2014 ne ka\u017ed\u00fd dr\u00e1tov\u00fd poskytovatel dok\u00e1\u017ee nab\u00eddnout takovou rychlost p\u0159es kabel. Maxim\u00e1ln\u00ed rychlost odes\u00edl\u00e1n\u00ed v tomt\u00e9\u017e testu p\u0159es\u00e1hla 39 Mbit\/s, co\u017e se bl\u00ed\u017e\u00ed teoretick\u00e9mu limitu odes\u00edl\u00e1n\u00ed od klienta do s\u00edt\u011b. P\u0159i re\u00e1ln\u00e9m testu na velk\u00e9 vzd\u00e1lenosti se router tak\u00e9 choval sebejist\u011b a umo\u017enil stahov\u00e1n\u00ed rychlost\u00ed a\u017e 31 Mbit\/s a odes\u00edl\u00e1n\u00ed dat v\u00edce ne\u017e 7 Mbit\/s. V p\u0159\u00edpad\u011b bydlen\u00ed na venkov\u011b a absence mo\u017enosti p\u0159ipojen\u00ed k dr\u00e1tov\u00fdm s\u00edt\u00edm je takov\u00e1 rychlost zcela dosta\u010duj\u00edc\u00ed pro pot\u0159eby cel\u00e9 rodiny \u2014 vzd\u011bl\u00e1v\u00e1n\u00ed, z\u00e1bavu a pr\u00e1ci.<\/p>\n

    Zyxel LTE7480-M804<\/b>
    \n\"Jak
    \nKone\u010dn\u011b p\u0159i\u0161la \u0159ada na \u0161pi\u010dkov\u00fd model v \u0159ad\u011b monoblokov\u00fdch router\u016f v tomto testu. Zyxel LTE7480 podporuje technologii LTE Cat.12 a dok\u00e1\u017ee pracovat s t\u0159emi nosn\u00fdmi sign\u00e1ly sou\u010dasn\u011b. Mo\u017en\u00e9 kombinace re\u017eim\u016f agregace jsou uvedeny v tabulce s technick\u00fdmi parametry a j\u00e1 jen \u0159eknu \u2014 opravdu to funguje! Maxim\u00e1ln\u00ed rychlost dosa\u017een\u00e1 b\u011bhem testov\u00e1n\u00ed byla p\u0159es 172 Mbit\/s! Abych se to pokusil p\u0159ibl\u00ed\u017eit, to odpov\u00edd\u00e1 p\u0159ibli\u017en\u011b 21 MB\/s. To znamen\u00e1, \u017ee film o velikosti 3 gigabajty se p\u0159i t\u00e9to rychlosti st\u00e1hne za 142 sekund! Za tu dobu ani rychlovarn\u00e1 konvice nezvl\u00e1dne p\u0159eva\u0159it vodu, a film v dobr\u00e9 kvalit\u011b u\u017e bude na disku po\u010d\u00edta\u010de. Je t\u0159eba si uv\u011bdomit, \u017ee rychlost bude z\u00e1viset na zat\u00ed\u017een\u00ed z\u00e1kladnov\u00e9 stanice a propustnosti kan\u00e1lu, kter\u00fd je k t\u00e9to z\u00e1kladnov\u00e9 stanici p\u0159ipojen. Mysl\u00edm, \u017ee v noci, kdy maj\u00ed u\u017eivatel\u00e9 men\u0161\u00ed z\u00e1t\u011b\u017e na s\u00ed\u0165, bych na testovan\u00e9 v\u011b\u017ei mohl dos\u00e1hnout je\u0161t\u011b v\u011bt\u0161\u00ed rychlosti. Te\u010f se p\u0159esunu od obdivu k popisu a nev\u00fdhod\u00e1m. V\u00fdrobce si vyslechl u\u017eivatele a zjednodu\u0161il mont\u00e1\u017e a integraci sim karty: nyn\u00ed se nach\u00e1z\u00ed ne v hloubce sk\u0159\u00edn\u011b, ale na bo\u010dn\u00ed stran\u011b \u2014 pod ochrann\u00fdm v\u00edkem. Mont\u00e1\u017en\u00ed konzole umo\u017e\u0148uje namontovat router jak na ze\u010f domu, tak na v\u00fdsuvn\u00e9 ty\u010di a p\u0159esn\u011b nastavit ant\u00e9nu na z\u00e1kladnov\u00e9 stanici \u2014 \u00fahel oto\u010den\u00ed je 180 stup\u0148\u016f jak horizont\u00e1ln\u011b, tak vertik\u00e1ln\u011b. Za\u0159\u00edzen\u00ed je tak\u00e9 vybaveno Wi-Fi modulem a krom\u011b p\u0159enosu dat kabelem m\u016f\u017ee zajistit mobiln\u00ed za\u0159\u00edzen\u00ed p\u0159ipojen\u00edm k internetu bezdr\u00e1tov\u00fdm kan\u00e1lem. B\u011bhem testu bylo znateln\u00e9, \u017ee vych\u00e1zej\u00edc\u00ed rychlost byla ni\u017e\u0161\u00ed ne\u017e u jin\u00fdch model\u016f, a p\u0159edpokl\u00e1d\u00e1m, \u017ee to souvis\u00ed se dv\u011bma faktory: nezral\u00fd firmware nebo t\u011bsn\u00e9 um\u00edst\u011bn\u00ed 4 ant\u00e9n v kompaktn\u00edm pouzd\u0159e: rozm\u011bry Zyxel LTE7480 jsou stejn\u00e9 jako u Zyxel LTE7460, ale ant\u00e9n je dvojn\u00e1sobek. Kontaktoval jsem v\u00fdrobce a potvrdili moje domn\u011bnky \u2014 naj\u00edt takov\u00e9 podm\u00ednky spojen\u00ed, jak\u00e9 jsem m\u011bl, s vzd\u00e1lenost\u00ed od z\u00e1kladnov\u00e9 stanice 8 km, nen\u00ed snadn\u00e9.<\/p>\n

    Z\u00e1v\u011bry<\/b><\/p>\n

    \"Jak
    \n
    \nNa z\u00e1v\u011br se vra\u0165me k tabulce m\u011b\u0159en\u00ed rychlosti. Z n\u00ed vypl\u00fdv\u00e1, \u017ee i p\u0159i pobytu na jednom m\u00edst\u011b m\u016f\u017ee b\u00fdt rychlost r\u016fzn\u00e1, proto\u017ee servery mohou b\u00fdt v\u00edce nebo m\u00e9n\u011b zat\u00ed\u017eeny. Nav\u00edc na to m\u00e1 vliv z\u00e1t\u011b\u017e z\u00e1kladnov\u00e9 stanice. M\u011b\u0159en\u00ed rychlosti tak\u00e9 ukazuje, \u017ee na velk\u00e9 vzd\u00e1lenosti, p\u0159ibli\u017en\u011b 8,5 km, pravd\u011bpodobn\u011b nebude fungovat agregace kan\u00e1l\u016f (nebo ji moje z\u00e1kladnov\u00e1 stanice jednodu\u0161e nepodporuje) a na prvn\u00ed m\u00edsto se dost\u00e1v\u00e1 zes\u00edlen\u00ed vestav\u011bn\u00fdch ant\u00e9n. Pokud se nach\u00e1z\u00edte bl\u00edzko z\u00e1kladnov\u00e9 stanice nebo v p\u0159\u00edm\u00e9 viditelnosti, m\u00e1 smysl zakoupit za\u0159\u00edzen\u00ed s podporou technologie Cat.6 nebo Cat.12. Pokud m\u00e1te prost\u0159edky na koupi routeru Zyxel LTE7460, pak by bylo rozumn\u00e9 trochu zv\u00fd\u0161it rozpo\u010det a po\u0159\u00eddit router Zyxel LTE7480 s podporou Cat.12 a vestav\u011bn\u00fdm Wi-Fi modulem. Pokud v\u0161ak m\u00e1te daleko k z\u00e1kladnov\u00e9 stanici, ale m\u00e1te celou infrastrukturu v dom\u011b a chyb\u00ed v\u00e1m jen v\u00fdstup do Internetu, pak m\u016f\u017eete zvolit st\u0159edn\u00ed za\u0159\u00edzen\u00ed z \u0159ady. Ti, kdo nejsou n\u00e1ro\u010dn\u00ed na rychlost p\u0159ipojen\u00ed a cht\u011bj\u00ed u\u0161et\u0159it, by m\u011bli zv\u00e1\u017eit Zyxel LTE 7240 \u2014 tento vstupn\u00ed model je kompaktn\u00ed, snadno se instaluje a dok\u00e1\u017ee zajistit pohodlnou \u00farove\u0148 surfov\u00e1n\u00ed po s\u00edti.
    \n
    Zdroj:     habr.com<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

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