{"id":20,"date":"2025-03-04T10:37:12","date_gmt":"2025-03-04T09:37:12","guid":{"rendered":"https:\/\/internet.wia.cz\/blog\/optika-drat-ci-bezdrat-to-je-oc-tu-bezi\/"},"modified":"2026-10-20T11:54:05","modified_gmt":"2026-10-20T09:54:05","slug":"optika-drat-ci-bezdrat-to-je-oc-tu-bezi","status":"publish","type":"post","link":"https:\/\/internet.wia.cz\/blog\/optika-drat-ci-bezdrat-to-je-oc-tu-bezi\/","title":{"rendered":"Optika, dr\u00e1t \u010di bezdr\u00e1t, to je o\u010d tu b\u011b\u017e\u00ed"},"content":{"rendered":"

Optika<\/b><\/a><\/h2>\n

P\u0159ipojen\u00ed optick\u00fdm kabelem je svat\u00fd gr\u00e1l ka\u017ed\u00e9ho poskytovatele internetu. M\u00e1 sam\u00e1 pozitiva a v\u00fdhody a \u017e\u00e1dn\u00e1 negativa. Jedn\u00e1 se o nejspolehliv\u011bj\u0161\u00ed, nejrychlej\u0161\u00ed a ve v\u0161ech ohledech nejlep\u0161\u00ed p\u0159ipojen\u00ed, kter\u00e9 m\u016f\u017eete dostat. Optick\u00e9 vl\u00e1kno ulo\u017een\u00e9 v zemi samoz\u0159ejm\u011b odol\u00e1v\u00e1 pov\u011btrnostn\u00edm vliv\u016fm, nic jej nenaru\u0161\u00ed, a pokud jej nep\u0159ekopne n\u011bjak\u00fd roztr\u017eit\u00fd bagrista, je nezni\u010diteln\u00e9 a bude tu s v\u00e1mi nast\u00e1lo. Pokud je do Va\u0161eho bytu \u010di domu optick\u00e9 vl\u00e1kno zavedeno, nev\u00e1hejte, neexistuje lep\u0161\u00ed zp\u016fsob p\u0159ipojen\u00ed k internetu.<\/p>\n

Spolehlivost: velmi vysok\u00e1.<\/p>\n

Dosahovan\u00e9 rychlosti: a\u017e 1.000 Mbit\/s<\/p>\n

Co budete pot\u0159ebovat: WiFi router<\/p>\n

Vyhody: rychlost, spolehlivost, pom\u011br cena\/v\u00fdkon<\/p>\n

Nev\u00fdhody: omezen\u00e1 dostupnost<\/p>\n

Ov\u011b\u0159te si dostupnost optiky na Va\u0161\u00ed adrese:\u00a0 \"ov\u011b\u0159it<\/a><\/p>\n

Spole\u010dn\u00fd ethernetov\u00fd rozvod v dom\u011b<\/b><\/h2>\n

Mnoho bytov\u00fdch dom\u016f m\u00e1 spole\u010dn\u00e9 dr\u00e1tov\u00e9 (ethernetov\u00e9) rozvody. Tento zp\u016fsob p\u0159ipojen\u00ed se co do spolehlivost\u00ed \u0159ad\u00ed po bok p\u0159ipojen\u00ed optikou. Jako nosi\u010d datov\u00e9ho p\u0159enosu je pou\u017eit ethernetov\u00fd kabel m\u00edsto optick\u00e9ho vl\u00e1kna. Kapacita a spolehlivost p\u0159ipojen\u00ed je ale z\u00e1visl\u00e1 na tom, jak\u00fdm zp\u016fsobem poskytovatel p\u0159ivede internet do domu. N\u011bkdy to m\u016f\u017ee b\u00fdt bezdr\u00e1tov\u011b a pak tento zp\u016fsob p\u0159ipojen\u00ed m\u016f\u017ee b\u00fdt ovlivn\u011bn n\u00e1chyln\u00fd na extr\u00e9mn\u00ed pov\u011btrnostn\u00ed vlivy a ru\u0161en\u00ed. Pokud je do va\u0161eho bytu ethernetov\u00fd kabel zaveden, nemus\u00edte dvakr\u00e1t dumat, s\u00e1hn\u011bte po n\u011bm. Je to pro v\u00e1s nejlep\u0161\u00ed zp\u016fsob p\u0159ipojen\u00ed.<\/p>\n

Spolehlivost: vysok\u00e1<\/p>\n

Dosahovan\u00e9 rychlosti: ni\u017e\u0161\u00ed stovky Mbit\/s a\u017e 1.000 Mbit\/s v z\u00e1vislosti na Poskytovateli<\/p>\n

Co budete pot\u0159ebovat: WiFi router<\/p>\n

Vyhody: rychlost, spolehlivost, cena<\/p>\n

Nev\u00fdhody: velmi omezen\u00e1 dostupnost<\/p>\n

Ov\u011b\u0159te si dostupnost pevn\u00e9ho p\u0159ipojen\u00ed na Va\u0161\u00ed adrese:\u00a0 \"ov\u011b\u0159it<\/a><\/p>\n

DSL<\/b><\/a><\/h2>\n

DSL p\u0159ipojen\u00ed je dnes jedno z nejdostupn\u011bj\u0161\u00edch p\u0159ipojen\u00ed v cel\u00e9 \u010cR. Pro p\u0159enos dat se vyu\u017e\u00edvaj\u00ed star\u00e9 zn\u00e1m\u00e9 telefonn\u00ed kabely (v\u00fdjime\u010dn\u011b v n\u011bkter\u00fdch p\u0159\u00edpadech i optick\u00e9) p\u0159iveden\u00e9 z \u00fast\u0159edny a\u017e do va\u0161eho bytu \u010di domu. Tento zp\u016fsob p\u0159ipojen\u00ed m\u00e1 sv\u00e9 fanou\u0161ky, zast\u00e1nce, ale i odp\u016frce. Kvalita p\u0159ipojen\u00ed z\u00e1vis\u00ed na tom, jak kvalitn\u00ed a jak dlouh\u00e9 kabely jsou v zemi ulo\u017eeny. Kdo m\u00e1 tu sm\u016flu, \u017ee k n\u011bmu vede dlouh\u00e9 a\/nebo star\u00e9 veden\u00ed, bude m\u016f\u017ee m\u00edt pomal\u00e9 p\u0159ipojen\u00ed. V posledn\u00ed dob\u011b p\u0159\u00edstupov\u00e1 s\u00ed\u0165 proch\u00e1z\u00ed zna\u010dnou modernizac\u00ed a objevuje sv\u016fj nov\u00fd potenci\u00e1l. Ne nadarmo se j\u00ed tak\u00e9 p\u0159ezd\u00edv\u00e1 \u201cm\u011bd\u011bn\u00e9 zlato ulo\u017een\u00e9 v zemi\u201d. DSL p\u0159ipojen\u00ed m\u016f\u017ee sm\u011ble soupe\u0159it s bezdr\u00e1tov\u00fdmi p\u0159ipojen\u00edmi (WiFi), samoz\u0159ejm\u011b velmi z\u00e1le\u017e\u00ed na rychlosti, kter\u00e1 je v konkr\u00e9tn\u00edm m\u00edst\u011b dostupn\u00e1.<\/p>\n

Spolehlivost: dobr\u00e1 a\u017e vysok\u00e1<\/p>\n

Dosahovan\u00e9 rychlosti: v z\u00e1vislosti na kvalit\u011b a d\u00e9lce telefonn\u00edho veden\u00ed \u2013 ni\u017e\u0161\u00ed des\u00edtky Mbit\/s,\u00a0 ale t\u0159eba a\u017e 250 \u2013 1.000 Mbit\/s<\/p>\n

Co budete pot\u0159ebovat: VDSL2 modem a v n\u011bkter\u00fdch p\u0159\u00edpadech WiFi router<\/p>\n

Vyhody: rychlost, spolehlivost \u2013 v n\u011bkter\u00fdch p\u0159\u00edpadech<\/p>\n

Nev\u00fdhody: rychlost, spolehlivost \u2013 v n\u011bkter\u00fdch p\u0159\u00edpadech<\/p>\n

Ov\u011b\u0159te si dostupnost DSL na Va\u0161\u00ed adrese:\u00a0 \"ov\u011b\u0159it<\/a><\/p>\n

Pevn\u00e9 bezdr\u00e1tov\u00e9 p\u0159ipojen\u00ed v p\u00e1smech WiFi<\/b><\/a><\/h2>\n

N\u011bkdy tak\u00e9 ozna\u010dovan\u00e9 jako venkovn\u00ed WiFi. V \u010cesk\u00e9 republice se jedn\u00e1 o nej\u010dast\u011bj\u0161\u00ed typ p\u0159ipojen\u00ed k internetu. V sou\u010dasnosti jej vyu\u017e\u00edv\u00e1 v\u00edce ne\u017e milion z\u00e1kazn\u00edk\u016f. M\u016f\u017ee za to relativn\u011b snadn\u00e1 dostupnost a rychl\u00e1 realizovatelnost. T\u00e9m\u011b\u0159 v ka\u017ed\u00e9 obci dnes najdete n\u011bjak\u00e9ho lok\u00e1ln\u00edho poskytovatele internetu prost\u0159ednictv\u00edm bezdr\u00e1tov\u00e9 s\u00edt\u011b, ke kter\u00e9 se p\u0159ipoj\u00edte pomoc\u00ed ant\u00e9ny um\u00edst\u011bn\u00e9 na st\u0159e\u0161e domu nebo na fas\u00e1d\u011b. Bohu\u017eel t\u00edm v\u00fdhody v\u00edcem\u00e9n\u011b kon\u010d\u00ed. Proto\u017ee se jedn\u00e1 o p\u0159ipojen\u00ed ve voln\u00e9m p\u00e1smu a de facto toto p\u00e1smo m\u016f\u017ee pou\u017e\u00edvat ka\u017ed\u00fd, doch\u00e1z\u00ed zde \u010dasto k ru\u0161en\u00ed, kter\u00e9 z\u00e1sadn\u011b ovliv\u0148uje kvalitu p\u0159\u00edpojky.<\/p>\n

Spolehlivost: uch\u00e1zej\u00edc\u00ed a\u017e dobr\u00e1, ve ve\u010dern\u00edch hodin\u00e1ch m\u016f\u017ee b\u00fdt nedostate\u010dn\u00e1.<\/p>\n

Dosahovan\u00e9 rychlosti: v z\u00e1vislosti na ru\u0161en\u00ed a vzd\u00e1lenosti od vys\u00edla\u010de \u2013 ni\u017e\u0161\u00ed des\u00edtky Mbit\/s.<\/p>\n

Co budete pot\u0159ebovat: bezdr\u00e1tovou klientskou jednotku (dod\u00e1 poskytovatel) a WiFi router<\/p>\n

V\u00fdhody: rychlost a nen\u00e1ro\u010dnost instalace, dostupnost, lok\u00e1ln\u00ed p\u0159\u00edstup k z\u00e1kazn\u00edkovi<\/p>\n

Nev\u00fdhody: velmi kol\u00edsav\u00e1 kvalita a nest\u00e1lost, nutnost instalace venkovn\u00ed ant\u00e9ny a prota\u017een\u00ed kabelu<\/p>\n

Ov\u011b\u0159te si dostupnost bezdr\u00e1tov\u00e9ho p\u0159ipojen\u00ed na Va\u0161\u00ed adrese:\u00a0 \"ov\u011b\u0159it<\/a><\/p>\n

Pevn\u00e9 bezdr\u00e1tov\u00e9 p\u0159ipojen\u00ed v p\u00e1smu 60 GHz<\/b><\/h2>\n

Jestli WiFi p\u0159ipojen\u00ed n\u011bkdy chytlo druhou m\u00edzu, tak to bylo s p\u0159\u00edchodem mo\u017enosti vyu\u017e\u00edvat p\u00e1smo 60 GHz, kter\u00e9 otev\u0159elo nov\u00e9 mo\u017enosti vysokorychlostn\u00edho bezdr\u00e1tov\u00e9ho p\u0159ipojen\u00ed. Mezi v\u00fdhody tohoto druhu p\u0159ipojen\u00ed pat\u0159\u00ed vysok\u00e1 rychlost a tak\u00e9 odolnost v\u016f\u010di ru\u0161en\u00ed, co\u017e je ta nejcenn\u011bj\u0161\u00ed dev\u00edza v bezdr\u00e1tov\u00fdch s\u00edt\u00edch. P\u0159irozen\u00fd \u00fatlum v \u0161\u00ed\u0159en\u00ed vln v tomto p\u00e1smu jsou molekuly vzdu\u0161n\u00e9ho kysl\u00edku, tak\u017ee po n\u011bkolika stovk\u00e1ch metr\u016f je vlna utlumena. Tento jev umo\u017e\u0148uje stav\u011bt odd\u011blen\u00e9 bu\u0148ky s pokryt\u00edm internetu, kter\u00e9 nejsou (nebo jen minim\u00e1ln\u011b) vz\u00e1jemn\u011b ru\u0161eny.<\/p>\n

Spolehlivost: dobr\u00e1 a\u017e vysok\u00e1<\/p>\n

Dosahovan\u00e9 rychlosti: a\u017e stovky Mbit\/s<\/p>\n

Co budete pot\u0159ebovat: bezdr\u00e1tovou klientskou jednotku (dod\u00e1 poskytovatel) a WiFi router<\/p>\n

V\u00fdhody: rychlost a nen\u00e1ro\u010dnost instalace, dostupnost, lok\u00e1ln\u00ed p\u0159\u00edstup k z\u00e1kazn\u00edkovi<\/p>\n

Nev\u00fdhody: omezen\u00e1 dostupnost, jen na kr\u00e1tk\u00e9 vzd\u00e1lenosti od z\u00e1kladnov\u00e9 stanice<\/p>\n

Ov\u011b\u0159te si dostupnost bezdr\u00e1tov\u00e9ho 60G na Va\u0161\u00ed adrese:\u00a0 \"ov\u011b\u0159it<\/a><\/p>\n

Pevn\u00e9 bezdr\u00e1tov\u00e9 p\u0159ipojen\u00ed v licencovan\u00e9m LTE p\u00e1smu prost\u0159ednictv\u00edm mobiln\u00edch oper\u00e1tor\u016f tzv. pevn\u00fd internet vzduchem<\/b><\/h3>\n

Pokud nem\u00e1te mo\u017enost p\u0159ipojen\u00ed optikou, kabelem nebo prost\u0159ednictv\u00edm lok\u00e1ln\u00ed bezdr\u00e1tov\u00e9 s\u00edt\u011b, m\u016f\u017ee b\u00fdt vhodn\u00fdm \u0159e\u0161en\u00edm internet p\u0159es mobiln\u00ed s\u00ed\u0165 LTE nebo 5G. Mezi jeho hlavn\u00ed v\u00fdhody pat\u0159\u00ed \u0161irok\u00e1 dostupnost a jednoduch\u00e1, rychl\u00e1 instalace. Modern\u00ed 5G s\u00edt\u011b nav\u00edc posunuly mo\u017enosti tohoto p\u0159ipojen\u00ed o po\u0159\u00e1dn\u00fd kus d\u00e1l a v m\u00edstech s kvalitn\u00edm sign\u00e1lem dok\u00e1\u017eou nab\u00eddnout rychlosti ve stovk\u00e1ch Mbit\/s.<\/p>\n

V n\u011bkter\u00fdch p\u0159\u00edpadech sta\u010d\u00ed pouze vhodn\u011b um\u00edstit modem. Jinde se neobejdete bez venkovn\u00ed p\u0159ij\u00edmac\u00ed jednotky. Kvalita p\u0159ipojen\u00ed z\u00e1vis\u00ed p\u0159edev\u0161\u00edm na s\u00edle sign\u00e1lu, dostupn\u00e9 technologii a vyt\u00ed\u017een\u00ed mobiln\u00ed s\u00edt\u011b.<\/p>\n

Spolehlivost: dobr\u00e1<\/p>\n

Dosahovan\u00e9 rychlosti: v z\u00e1vislosti na kvalit\u011b a s\u00edle sign\u00e1lu \u2013 ni\u017e\u0161\u00ed des\u00edtky Mbit\/s<\/p>\n

Co budete pot\u0159ebovat: LTE router (dod\u00e1 poskytovatel) a WiFi router<\/p>\n

V\u00fdhody: rychlost a nen\u00e1ro\u010dnost instalace, dostupnost<\/p>\n

Nev\u00fdhody: z\u00e1vislost na kapacit\u011b mobiln\u00ed s\u00edt\u011b, v n\u011bkter\u00fdch lokalit\u00e1ch \u010di hodin\u00e1ch m\u016f\u017ee b\u00fdt s\u00ed\u0165 vyt\u00ed\u017een\u00e1<\/p>\n

A\u0165 u\u017e si vyberete jak\u00e9koliv p\u0159ipojen\u00ed, nezapome\u0148te tak\u00e9 na svou dom\u00e1c\u00ed WiFi, kter\u00e1 p\u0159i nevhodn\u00e9m nastaven\u00ed \u010di \u0161patn\u00e9m um\u00edst\u011bn\u00ed routeru dok\u00e1\u017ee degradovat jakkoli dobr\u00fd a kvalitn\u00ed internet. O tipech, jak vylep\u0161it va\u0161i dom\u00e1c\u00ed WiFi s\u00ed\u0165 si pov\u00edme p\u0159\u00ed\u0161t\u011b.<\/p>\n","protected":false},"excerpt":{"rendered":"

Optika P\u0159ipojen\u00ed optick\u00fdm kabelem je svat\u00fd gr\u00e1l ka\u017ed\u00e9ho poskytovatele internetu. M\u00e1 sam\u00e1 pozitiva a v\u00fdhody a \u017e\u00e1dn\u00e1 negativa. Jedn\u00e1 se o nejspolehliv\u011bj\u0161\u00ed, nejrychlej\u0161\u00ed a ve v\u0161ech ohledech nejlep\u0161\u00ed p\u0159ipojen\u00ed, kter\u00e9 m\u016f\u017eete dostat. Optick\u00e9 vl\u00e1kno ulo\u017een\u00e9 v zemi samoz\u0159ejm\u011b odol\u00e1v\u00e1 pov\u011btrnostn\u00edm vliv\u016fm, nic jej nenaru\u0161\u00ed, a pokud jej nep\u0159ekopne n\u011bjak\u00fd roztr\u017eit\u00fd bagrista, je nezni\u010diteln\u00e9 a bude […]<\/p>\n","protected":false},"author":2,"featured_media":23,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[],"class_list":["post-20","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-pripojeni"],"_links":{"self":[{"href":"https:\/\/internet.wia.cz\/blog\/wp-json\/wp\/v2\/posts\/20","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/internet.wia.cz\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/internet.wia.cz\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/internet.wia.cz\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/internet.wia.cz\/blog\/wp-json\/wp\/v2\/comments?post=20"}],"version-history":[{"count":4,"href":"https:\/\/internet.wia.cz\/blog\/wp-json\/wp\/v2\/posts\/20\/revisions"}],"predecessor-version":[{"id":68,"href":"https:\/\/internet.wia.cz\/blog\/wp-json\/wp\/v2\/posts\/20\/revisions\/68"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/internet.wia.cz\/blog\/wp-json\/wp\/v2\/media\/23"}],"wp:attachment":[{"href":"https:\/\/internet.wia.cz\/blog\/wp-json\/wp\/v2\/media?parent=20"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/internet.wia.cz\/blog\/wp-json\/wp\/v2\/categories?post=20"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/internet.wia.cz\/blog\/wp-json\/wp\/v2\/tags?post=20"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}