{"id":33579,"date":"2019-10-31T21:53:23","date_gmt":"2019-10-31T18:53:23","guid":{"rendered":"https:\/\/prohoster.info\/blog\/internet-dlya-dachnika-dobyvaem-maksimalnuyu-skorost-v-setyah-4g-chast-2-vybor-vneshnej-antenny\/"},"modified":"2019-10-31T21:53:23","modified_gmt":"2019-10-31T18:53:23","slug":"internet-dlya-dachnika-dobyvaem-maksimalnuyu-skorost-v-setyah-4g-chast-2-vybor-vneshnej-antenny","status":"publish","type":"post","link":"https:\/\/prohoster.info\/cs\/blog\/administrirovanie\/internet-dlya-dachnika-dobyvaem-maksimalnuyu-skorost-v-setyah-4g-chast-2-vybor-vneshnej-antenny","title":{"rendered":"Internet pro chalup\u00e1\u0159e. Dosahujeme maxim\u00e1ln\u00ed rychlost v s\u00edt\u00edch 4G. \u010c\u00e1st 2. V\u00fdb\u011br extern\u00ed ant\u00e9ny","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Ned\u00e1vno jsem provedl srovn\u00e1vac\u00ed testov\u00e1n\u00ed LTE router\u016f<\/a><\/noindex> a jak se dalo o\u010dek\u00e1vat, v\u00fdkon a citlivost r\u00e1diov\u00fdch modul\u016f se v\u00fdznamn\u011b li\u0161\u00ed. Kdy\u017e jsem k router\u016fm p\u0159ipojil ant\u00e9nu, rychlost se n\u00e1sobn\u011b zv\u00fd\u0161ila. To m\u011b vedlo k my\u0161lence prov\u00e9st srovn\u00e1vac\u00ed test ant\u00e9n, kter\u00e9 zajist\u00ed nejen spojen\u00ed v rodinn\u00e9m dom\u011b, ale tak\u00e9 jej u\u010din\u00ed srovnateln\u00fdm s p\u0159ipojen\u00edm v byt\u011b s kabelov\u00fdm p\u0159ipojen\u00edm. Jak toto testov\u00e1n\u00ed dopadlo, se m\u016f\u017eete dozv\u011bd\u011bt n\u00ed\u017ee. Tradi\u010dn\u011b jsem pro ty, kte\u0159\u00ed cht\u011bj\u00ed sledovat m\u00edsto \u010dten\u00ed, vytvo\u0159il video.<\/p>\n

\r\n \"P\u0159ehr\u00e1t\r\n
<\/div>\r\n <\/div><\/center>
\n<\/a><\/noindex>
\nMetodika testov\u00e1n\u00ed<\/b>
\nBez \u0159\u00e1dn\u00e9ho strukturovan\u00e9ho p\u0159\u00edstupu nelze dos\u00e1hnout kvalitn\u00edch v\u00fdsledk\u016f, a c\u00edlem tohoto testu bylo vybrat nejlep\u0161\u00ed ant\u00e9nu pro maxim\u00e1ln\u011b rychl\u00fd p\u0159\u00edstup k Internetu. Jako referen\u010dn\u00ed m\u011b\u0159en\u00ed byl vybr\u00e1n router Zyxel LTE3316-M604<\/a><\/noindex>, kter\u00fd v p\u0159edchoz\u00edm testu opr\u00e1vn\u011bn\u011b obsadil prvn\u00ed m\u00edsto. Toto za\u0159\u00edzen\u00ed m\u016f\u017ee fungovat jak s b\u011b\u017en\u00fdm dr\u00e1tov\u00fdm poskytovatelem, kdy v p\u0159\u00edpad\u011b pot\u0159eby vyu\u017e\u00edv\u00e1 z\u00e1lo\u017en\u00ed kan\u00e1l p\u0159es 3G\/4G, tak i zcela autonomn\u011b, vyu\u017e\u00edvaj\u00edc mobiln\u00ed s\u00edt\u011b 3G a 4G. V m\u00e9m testu byla pou\u017eita pouze s\u00ed\u0165 4G, proto\u017ee p\u0159es ni jsou p\u0159en\u00e1\u0161ena pouze data a zat\u00ed\u017een\u00ed hlasov\u00e9ho provozu na tento komunika\u010dn\u00ed kan\u00e1l nem\u00e1 vliv.
\nPro test jsem vybral t\u0159i r\u016fzn\u00e9 ant\u00e9ny, kter\u00e9 pat\u0159\u00ed do r\u016fzn\u00fdch typ\u016f: p\u0159i prvn\u00edm testu, s c\u00edlem z\u00edskat \u010dist\u00e9 hodnoty, router pracoval bez extern\u00edch ant\u00e9n, vyu\u017e\u00edval pouze vestav\u011bn\u00e9 ant\u00e9ny. P\u0159i druh\u00e9m testu byla p\u0159ipojena ant\u00e9na s kruhovou charakteristikou sm\u011brov\u00e1n\u00ed. Ve t\u0159et\u00edm testu byla pou\u017eita panelov\u00e1 ant\u00e9na s u\u017e\u0161\u00ed charakteristikou sm\u011brov\u00e1n\u00ed, kter\u00e1 byla pou\u017eita v minul\u00e9m testu. A ve \u010dtvrt\u00e9 f\u00e1zi n\u00e1sledovalo testov\u00e1n\u00ed sm\u011brov\u00e9 s\u00ed\u0165ov\u00e9 parabolick\u00e9 ant\u00e9ny.
\nV\u0161echna m\u011b\u0159en\u00ed rychlosti byla prov\u00e1d\u011bna v pracovn\u00edm dni b\u011bhem dne, aby byla z\u00e1t\u011b\u017e na z\u00e1kladnovou stanici minim\u00e1ln\u00ed a rychlost stahov\u00e1n\u00ed maxim\u00e1ln\u00ed. V ka\u017ed\u00e9 f\u00e1zi byl test proveden t\u0159ikr\u00e1t a vypo\u010d\u00edt\u00e1n pr\u016fm\u011br rychlosti stahov\u00e1n\u00ed a nahr\u00e1v\u00e1n\u00ed. Router byl p\u0159ipojen k t\u00e9\u017ee z\u00e1kladnov\u00e9 stanici, ant\u00e9ny byly vyregulov\u00e1ny podle \u00fadaj\u016f o sign\u00e1lu v webov\u00e9m rozhran\u00ed routeru.
\nTak\u00e9 jsem vytvo\u0159il denn\u00ed graf rychlosti stahov\u00e1n\u00ed a odes\u00edl\u00e1n\u00ed dat v m\u00e9 oblasti, co\u017e skv\u011ble ukazuje, jak u\u017eivatel\u00e9 pracuj\u00ed s internetem. P\u0159edpokl\u00e1d\u00e1m, \u017ee u poskytovatele bude p\u0159ibli\u017en\u011b stejn\u00fd obraz zat\u00ed\u017een\u00ed na z\u00e1kladnov\u00e9 stanici. Co je zaj\u00edmav\u00e9, graf rychlosti stahov\u00e1n\u00ed zna\u010dn\u011b kol\u00eds\u00e1, zat\u00edmco graf odes\u00edl\u00e1n\u00ed je t\u00e9m\u011b\u0159 nem\u011bnn\u00fd \u2014 to nazna\u010duje, \u017ee u\u017eivatel\u00e9 v\u00edce stahuj\u00ed, ne\u017e odes\u00edlaj\u00ed data.<\/p>\n

\"Internet
\n
\nGSM\/3G\/4G FREGAT MIMO<\/a><\/noindex><\/b>
\nCena: 4800 K\u010d<\/p>\n

\"Internet
\n
\nTechnick\u00e9 parametry: <\/b>
\nFrekven\u010dn\u00ed p\u00e1sma, MHz: 700\u2013960, 1700\u20132700
\nZisk, dB: 2 x 6
\nPovolena vys\u00edlac\u00ed v\u00fdkon: 10 W
\nRozm\u011bry, cm: 37 x \u00d86,5
\nHmotnost, gram\u016f: 840<\/i><\/p>\n

\"Internet
\n
\nZa\u010dneme s testov\u00e1n\u00edm ant\u00e9ny, kter\u00e1 m\u00e1 kruhovou sm\u011brovou charakteristiku. Tato ant\u00e9na se nem\u016f\u017ee pochlubit v\u00fdjime\u010dn\u00fdm ziskem, ale podporuje technologii MIMO, co\u017e znamen\u00e1, \u017ee obsahuje dv\u011b ant\u00e9ny v jednom t\u011ble. Nav\u00edc je vodot\u011bsn\u00e1 a m\u00e1 rovnou namontov\u00e1ny kabelov\u00e9 svazky dlouh\u00e9 5 metr\u016f. Frekven\u010dn\u00ed rozsah pokr\u00fdv\u00e1 v\u0161echna p\u00e1sma od GSM po LTE, tedy podporuje s\u00edt\u011b 2G\/3G\/4G. Sou\u010d\u00e1st\u00ed je mont\u00e1\u017e na sto\u017e\u00e1r nebo p\u0159\u00edmo na ze\u010f. A nyn\u00ed se pod\u00edv\u00e1me, v jak\u00fdch situac\u00edch m\u016f\u017ee b\u00fdt pou\u017eita, vzhledem k jej\u00edm rozm\u011br\u016fm a zisku. Prvn\u00ed v\u011bc, kter\u00e1 m\u011b napadne, jsou st\u00edn\u011bn\u00e9 prostory: polosuter\u00e9n nebo suter\u00e9n, kovov\u00fd sklad nebo hang\u00e1r, lo\u010f nebo motorov\u00fd \u010dlun. Ve v\u0161ech t\u011bchto p\u0159\u00edpadech \u017eelezobeton a kov v\u00fdborn\u011b st\u00edn\u00ed venkovn\u00ed sign\u00e1l, a pokud venku radiotechnika funguje skv\u011ble, uvnit\u0159 m\u016f\u017ee b\u00fdt p\u0159\u00edjem zcela nemo\u017en\u00fd. V takov\u00e9m p\u0159\u00edpad\u011b tato ant\u00e9na vy\u0159e\u0161\u00ed probl\u00e9m s p\u0159ipojen\u00edm. M\u016f\u017ee b\u00fdt pou\u017eita nejen pro router, ale i pro replik\u00e1tor. Ale pr\u00e1v\u011b pro router odhal\u00ed sv\u016fj potenci\u00e1l, a kruhov\u00e1 sm\u011brov\u00e1 charakteristika dob\u0159e funguje na pohybliv\u00fdch objektech, co\u017e umo\u017e\u0148uje nemuset nastavovat ant\u00e9nu na konkr\u00e9tn\u00ed vys\u00edla\u010d. V m\u00e9m p\u0159\u00edpad\u011b byla rychlost s ant\u00e9nou o n\u011bco ni\u017e\u0161\u00ed ne\u017e bez n\u00ed, proto\u017ee zisk ant\u00e9ny je podobn\u00fd jako zisk integrovan\u00fdch ant\u00e9n v routeru, a na 5metrov\u00fdch kabelech doch\u00e1z\u00ed ke ztr\u00e1t\u00e1m.<\/p>\n

<\/p>\n

+<\/h2>\n

<\/b> Hotov\u00fd komplet s upevn\u011bn\u00edm a namontovan\u00fdm kabelem, vhodn\u00fd pro st\u00edn\u011bn\u00e9 prostory, vodot\u011bsn\u00fd
\n<\/p>\n

—<\/h2>\n

<\/b> M\u00e1 mal\u00fd zisk<\/p>\n

OMEGA 3G\/4G MIMO<\/a><\/noindex><\/b>
\nCena: 4500 K\u010d<\/p>\n

\"Internet
\n
\nTechnick\u00e9 parametry:<\/b>
\nFrekven\u010dn\u00ed p\u00e1smo, MHz: 1700-2700
\nZesilovac\u00ed faktor, dB: 2×16-18
\nPovolena vys\u00edlac\u00ed v\u00fdkon: 50 W
\nRozm\u011bry, cm: 45 x 45 x 6
\nHmotnost, gram\u016f: 2900<\/i><\/p>\n

\"Internet
\n
\nDruh\u00e1 ant\u00e9na mi funguje ji\u017e n\u011bkolik let a \u00fa\u010dastnila se p\u0159edchoz\u00edho testu. Prok\u00e1zala se velmi dob\u0159e jak p\u0159i p\u0159\u00edm\u00e9m spojen\u00ed s vys\u00edla\u010dem, tak p\u0159i p\u0159\u00edjmu odra\u017een\u00e9ho sign\u00e1lu. D\u00edky u\u017e\u0161\u00ed sm\u011brovosti ne\u017e u v\u0161esm\u011brov\u00e9 ant\u00e9ny se koeficient zes\u00edlen\u00ed zv\u00fd\u0161il na 16-18 dBi v z\u00e1vislosti na frekvenci sign\u00e1lu. Krom\u011b toho pracuje v re\u017eimu MIMO, co\u017e ji\u017e p\u0159in\u00e1\u0161\u00ed n\u00e1r\u016fst rychlosti. Standardn\u00ed uchycen\u00ed na ty\u010di umo\u017e\u0148uje nastaven\u00ed jak v horizont\u00e1ln\u00ed, tak ve vertik\u00e1ln\u00ed poloze. D\u00e1le umo\u017e\u0148uje oto\u010dit ant\u00e9nu o 45 stup\u0148\u016f pro zm\u011bnu polarizace \u2014 co\u017e n\u011bkdy p\u0159in\u00e1\u0161\u00ed zisk n\u011bkolika megabit\u016f. Velk\u00e1, ut\u011bsn\u011bn\u00e1 a efektivn\u00ed! A pokud bez t\u00e9to ant\u00e9ny byly hodnoty RSRP\/SINR -106\/10, tak s panelovou ant\u00e9nou vzrostly na -98\/11. To p\u0159ineslo n\u00e1r\u016fst rychlosti stahov\u00e1n\u00ed z 13 na 28 Mbit\/s a na odes\u00edl\u00e1n\u00ed z 12 na 16 Mbit\/s. Tedy dvojn\u00e1sobn\u00fd n\u00e1r\u016fst stahov\u00e1n\u00ed na stejn\u00e9m BS \u2014 skv\u011bl\u00fd v\u00fdsledek. Krom\u011b toho ant\u00e9na, d\u00edky mal\u00e9mu \u00fahlu, umo\u017e\u0148uje od\u0159\u00edznout bl\u00edzk\u00e9, ale v\u00edce zat\u00ed\u017een\u00e9 z\u00e1kladnov\u00e9 stanice a p\u0159epnout na jin\u00e9, m\u00e9n\u011b zat\u00ed\u017een\u00e9. Je t\u0159eba jen vz\u00edt v \u00favahu, \u017ee kabelov\u00e9 spojen\u00ed by m\u011blo b\u00fdt co nejkrat\u0161\u00ed, aby nedoch\u00e1zelo ke ztr\u00e1t\u011b sign\u00e1lu v kabelech.<\/p>\n

+<\/b><\/h2>\n

Zes\u00edlen\u00ed sign\u00e1lu umo\u017e\u0148uje zv\u00fd\u0161it rychlost dvojn\u00e1sobn\u011b, sm\u011brovost poskytuje mo\u017enost vybrat m\u00e9n\u011b zat\u00ed\u017eenou BS, pohodln\u00e1 instala\u010dn\u00ed sada, po n\u011bkolik let neztratila sv\u00e9 kvality.<\/p>\n

—<\/b><\/h2>\n

P\u0159i rozm\u011brech 45x45 centimetr\u016f m\u00e1 plochost, co\u017e vy\u017eaduje kvalitn\u00ed z\u00e1klad pro upevn\u011bn\u00ed.<\/p>\n

PRISMA 3G\/4G MIMO<\/a><\/noindex><\/b>
\nCena: 6000 K\u010d<\/p>\n

\"Internet
\n
\nTechnick\u00e9 parametry:<\/b>
\nFrekven\u010dn\u00ed rozsah, MHz: 1700\u20132700
\nKoeficient zes\u00edlen\u00ed: 25 dB na frekvenci 1700\u20131880 MHz, 26 dB na frekvenci 1900\u20132175 MHz, 27 dB na frekvenci 2600\u20132700 MHz.
\nMaxim\u00e1ln\u00ed p\u0159iveden\u00fd v\u00fdkon: 100 W
\nRozm\u011bry, cm: 90 x 81 x 36
\nHmotnost, gram\u016f: 3200<\/i><\/p>\n

\"Internet
\n
\nParabolick\u00e1 s\u00ed\u0165ov\u00e1 ant\u00e9na vynik\u00e1 sama o sob\u011b \u2014 m\u00e1 ohromuj\u00edc\u00ed rozm\u011bry 90x81 centimetr\u016f. Nen\u00ed kulat\u00e1, jak je b\u011b\u017en\u00e9 u satelitn\u00edch ant\u00e9n, co\u017e pozitivn\u011b ovliv\u0148uje sm\u011brovou diagramu. Krom\u011b toho s\u00ed\u0165ov\u00e9 proveden\u00ed v\u00fdznamn\u011b sni\u017euje odpor v\u016f\u010di v\u011btru \u2014 v\u00edtr jednodu\u0161e proch\u00e1z\u00ed skrze n\u00ed, a na zaost\u0159en\u00ed sign\u00e1lu to m\u00e1 prakticky minim\u00e1ln\u00ed vliv. Ant\u00e9na funguje v frekven\u010dn\u00edm p\u00e1smu od 1700 do 2700 MHz. Existuj\u00ed t\u0159i polohy vys\u00edla\u010de: po jedn\u00e9 pro ka\u017edou frekvenci. V n\u00e1vodu je uk\u00e1z\u00e1no, jak um\u00edstit vys\u00edla\u010d v\u016f\u010di ant\u00e9n\u011b, abyste dos\u00e1hli maxim\u00e1ln\u00edho zes\u00edlen\u00ed p\u0159i po\u017eadovan\u00e9 frekvenci, tedy nejprve mus\u00edte v\u011bd\u011bt, na jak\u00fdch frekvenc\u00edch pracuje v\u00e1\u0161 poskytovatel. K tomu poslou\u017e\u00ed webov\u00e9 rozhran\u00ed routeru, kde je snadno viditeln\u00e1 pracovn\u00ed frekvence. Pr\u00e1ce s touto ant\u00e9nou je o n\u011bco slo\u017eit\u011bj\u0161\u00ed, vy\u017eaduje p\u0159esn\u00e9 nastaven\u00ed, proto\u017ee \u00fahel sm\u011brovosti je velmi mal\u00fd. Z\u0159ejmou v\u00fdhodou tohoto \u0159e\u0161en\u00ed je mo\u017enost p\u0159esn\u011b zam\u011b\u0159it na po\u017eadovanou z\u00e1kladnovou stanici, i kdy\u017e jsou n\u011bkter\u00e9 stanice um\u00edst\u011bny t\u00e9m\u011b\u0159 v p\u0159\u00edmce. Nev\u00fdhody tak\u00e9 existuj\u00ed: doba nastaven\u00ed na z\u00e1kladnov\u00e9 stanici se v\u00fdrazn\u011b zvy\u0161uje a je obt\u00ed\u017en\u011bj\u0161\u00ed pracovat s odra\u017een\u00fdm sign\u00e1lem. Ale nejd\u016fle\u017eit\u011bj\u0161\u00ed je koeficient zes\u00edlen\u00ed. Ten se pohybuje od 25 do 27 dBi. V m\u00e9m p\u0159\u00edpad\u011b to umo\u017enilo zes\u00edlit sign\u00e1l z p\u016fvodn\u00edch RSRP\/SINR -106\/-10 na -90\/-19 dBi, a rychlost p\u0159\u00edjmu vzrostla z 13 na 41 Mbit\/s, a odes\u00edl\u00e1n\u00ed z 12 na 21 Mbit\/s. To znamen\u00e1, \u017ee rychlost p\u0159\u00edjmu vzrostla v\u00edce ne\u017e t\u0159ikr\u00e1t! V oblasti, kde mobiln\u00ed sign\u00e1l m\u016f\u017ee b\u00fdt t\u00e9m\u011b\u0159 nemo\u017en\u00e9 chytit, je zcela re\u00e1ln\u00e9 zachytit jak 3G, tak 4G sign\u00e1l i za n\u011bkolik des\u00edtek kilometr\u016f!<\/p>\n

+<\/b><\/h2>\n

Skv\u011bl\u00fd koeficient zes\u00edlen\u00ed, s\u00ed\u0165ov\u00e9 proveden\u00ed sni\u017euje odpor, mo\u017enost nastaven\u00ed vys\u00edla\u010de na po\u017eadovanou frekvenci<\/p>\n

—<\/b><\/h2>\n

Rozm\u011bry<\/p>\n

Z\u00e1v\u011bre\u010dn\u00e9 shrnut\u00ed<\/b>
\n\"Internet
\n\"Internet
\n
\nSrovn\u00e1vac\u00ed testov\u00e1n\u00ed uk\u00e1zalo, \u017ee i bez ant\u00e9ny, p\u0159i dobr\u00e9m v\u00fd\u0161kov\u00e9m um\u00edst\u011bn\u00ed (10 m nad zem\u00ed), router Zyxel LTE3316-M604 m\u016f\u017ee zajistit p\u0159ijatelnou rychlost p\u0159ipojen\u00ed k internetu. Ale router nelze nechat venku, proto je tato varianta vhodn\u00e1 do bytu, kancel\u00e1\u0159e, ale ne tam, kde ani s dalekohledem nevid\u00edte vys\u00edla\u010d.
\nAnt\u00e9na FREGAT MIMO je ide\u00e1ln\u00ed pro ty, kte\u0159\u00ed z r\u016fzn\u00fdch d\u016fvod\u016f nemohou p\u0159ij\u00edmat r\u00e1diov\u00fd sign\u00e1l na m\u00edst\u011b instalace routeru. Mohou to b\u00fdt nap\u0159\u00edklad st\u00edn\u011bn\u00e9 zdi, n\u00edzk\u00e1 poloha nebo jin\u00e9 interference. Dv\u011b ant\u00e9ny v jedn\u00e9 sk\u0159\u00edni zaji\u0161\u0165uj\u00ed podporu technologie MIMO, co\u017e by m\u011blo zv\u00fd\u0161it rychlost pr\u00e1ce.
\nCo se t\u00fd\u010de panelov\u00e9 ant\u00e9ny OMEGA 3G\/4G MIMO, prok\u00e1zala se velmi dob\u0159e. Pr\u00e1ce jak s p\u0159\u00edm\u00fdm, tak s odra\u017een\u00fdm sign\u00e1lem, mnoho mont\u00e1\u017en\u00edch variant, dobr\u00fd zesilovac\u00ed koeficient. Mal\u00e9 rozm\u011bry nezp\u016fsobuj\u00ed velkou plochost, a zisk v rychlosti je znateln\u00fd. M\u016f\u017eete bez obav po\u0159\u00eddit, pokud je sign\u00e1l 3G\/4G slab\u00fd nebo v\u016fbec \u017e\u00e1dn\u00fd.
\nA parabolick\u00e1 s\u00ed\u0165ov\u00e1 ant\u00e9na PRISMA 3G\/4G MIMO je vhodn\u00e1 pro ty nejodv\u00e1\u017en\u011bj\u0161\u00ed, proto\u017ee s takov\u00fdm zes\u00edlen\u00edm a mo\u017enost\u00ed p\u0159esn\u00e9ho nastaven\u00ed na z\u00e1kladnovou stanici lze z\u00edskat spojen\u00ed i v nejodlehlej\u0161\u00ed vesnici, pokud je v okruhu n\u011bkolika des\u00edtek kilometr\u016f z\u00e1kladn\u00ed stanice mobiln\u00edho oper\u00e1tora.<\/p>\n

Z\u00e1v\u011br<\/b><\/p>\n

V sou\u010dasnosti pou\u017e\u00edv\u00e1m ant\u00e9nu OMEGA 3G\/4G MIMO. Musel jsem m\u00edrn\u011b posunout mont\u00e1\u017en\u00ed ty\u010d na zdi, proto\u017ee rozm\u011bry ant\u00e9ny si \u017e\u00e1daj\u00ed sv\u00e1 pravidla. P\u0159i kabelu dlouh\u00e9m 3 metry a vybran\u00e9m routeru jsem vid\u011bl rychlosti a\u017e 50 Mbit\/s, kdy\u017e byla z\u00e1kladnov\u00e1 stanice nejm\u00e9n\u011b vyt\u00ed\u017een\u00e1. To se bl\u00ed\u017e\u00ed teoretick\u00e9mu limitu rychlosti 75 Mbit\/s za st\u00e1vaj\u00edc\u00edch podm\u00ednek fungov\u00e1n\u00ed z\u00e1kladnov\u00e9 stanice: frekvence Band3 - 1800 MHz, \u0161\u00ed\u0159ka kan\u00e1lu 10 MHz. Ale hlavn\u00ed je, \u017ee p\u0159i vzd\u00e1lenosti v\u00edce ne\u017e 8 km od z\u00e1kladn\u00ed stanice se mi poda\u0159ilo dos\u00e1hnout rychlost\u00ed bl\u00edzk\u00fdch t\u011bm, kter\u00e9 lze m\u00edt t\u011bsn\u011b u v\u011b\u017ee. Jako p\u0159\u00edklad uvedu obr\u00e1zek pokryt\u00ed r\u00e1diov\u00e9ho sign\u00e1lu p\u0159i pou\u017eit\u00ed r\u016fzn\u00fdch frekvenc\u00ed.<\/p>\n

\"Internet
\n
\nNa z\u00e1v\u011br mohu \u0159\u00edci, \u017ee si m\u016f\u017eete v\u017edy zajistit dobr\u00fd internet na chalup\u011b nebo v rodinn\u00e9m dom\u011b. Nemus\u00edte se ob\u00e1vat nezn\u00e1m\u00e9ho vybaven\u00ed: pro v\u00fdb\u011br 3G\/4G routeru si jednodu\u0161e p\u0159e\u010dt\u011bte m\u016fj p\u0159edchoz\u00ed \u010dl\u00e1nek. A p\u0159i v\u00fdb\u011bru ant\u00e9ny se obra\u0165te na odborn\u00edky \u2014 ti v\u00e1m navrhnou optim\u00e1ln\u00ed \u0159e\u0161en\u00ed a dokonce p\u0159iprav\u00ed v\u0161echny kabelov\u00e9 sestavy. Na m\u00edst\u011b v\u00e1m zb\u00fdv\u00e1 jen v\u0161e p\u0159ipojit. Hodn\u011b \u0161t\u011bst\u00ed, dobr\u00fd ping a stabiln\u00ed rychlost!
\n
Zdroj: habr.com<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

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