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The time now is 15.06.2024 - 22:38


zadne vyzarovacie laloky - daju sa pouzit ?

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goose
Post subject: zadne vyzarovacie laloky - daju sa pouzit ?  PostPosted: 19.04.2004 - 15:01 #7780
Ucen


Joined: Nov 04, 2003
Posts: 544

sektorovky maju vyzarovaci diagram taky,ze vysielaju aj smerom dozadu.
napr.: http://www.wifishop.sk/buxus/images/image_233_57_v1.gif na aku vzdialenost myslite,ze by sa dal chytat signal, keby na druhej strane bola 8dB antenka ? mate niekto zapojenych ludi na sektorovke pricom ona smeruje na opacnu stranu ?
 
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goose
Post subject: RE: zadne vyzarovacie laloky - daju sa pouzit ?  PostPosted: 19.04.2004 - 15:02 #7781
Ucen


Joined: Nov 04, 2003
Posts: 544

pre spresnenie. je myslene uplne ciste pasmo, bez prekazok.
 
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si
Post subject: RE: zadne vyzarovacie laloky - daju sa pouzit ?  PostPosted: 19.04.2004 - 16:04 #7788
Majster


Joined: Jan 12, 2003
Posts: 4250
Location: /dev/null
zadne vyzarovacie laloky sa daju pouzivat uplne v pohode, rovnako ako aj bocne; okrem toho ze su mensie ako hlavny lalok im nic nechyba...
 
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orin
Post subject: RE: zadne vyzarovacie laloky - daju sa pouzit ?  PostPosted: 19.04.2004 - 17:56 #7791
Basic


Joined: Apr 19, 2004
Posts: 159

Jo mam to tak, Sektorka je 16 dB/45st., user je zozadu asi 300m, ma ISM 14 dB sitko a ma lepsi signal ako useri zpredu na 8 dB-kach.
 
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goose
Post subject: RE: zadne vyzarovacie laloky - daju sa pouzit ?  PostPosted: 20.04.2004 - 08:52 #7805
Ucen


Joined: Nov 04, 2003
Posts: 544

diky moc ,,,, vecer to vyskusam a dam vediet.. ..
 
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floppy
Post subject: RE: zadne vyzarovacie laloky - daju sa pouzit ?  PostPosted: 20.04.2004 - 18:41 #7842
Basic


Joined: Mar 03, 2003
Posts: 423
Location: Nitra
Aj ja mam zopar taky spojov. Klienti okolo nejakeho AP mi slapu s internymi antenkami cca do 150-200m v pohode aj na zadne laloky zo smeroviek alebo sektoriek.
 
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goose
Post subject: RE: zadne vyzarovacie laloky - daju sa pouzit ?  PostPosted: 24.04.2004 - 09:36 #7966
Ucen


Joined: Nov 04, 2003
Posts: 544

mno,,, nic moc Surprised((((...
mam "16"dB http://www.wifishop.sk/buxus/images/image_233_57_v1.gif antenu z wifishopu,, a vzadu nalavo na -120 stupnov som dal cloveka s 8dB antenou http://www.wifishop.sk/buxus/generate_p ... age_id=244 ..vobec ziadny signal Surprised((((... fnuk fnuk.
ked bude cas pojdem ju testnut do terenu a odskusam zadne laloky,,ale stale mam pocit ,ze ta antena v realy dosahuje velmi pochybny vykon..
 
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stefan1
Post subject: RE: zadne vyzarovacie laloky - daju sa pouzit ?  PostPosted: 30.04.2004 - 23:37 #8267
Basic


Joined: Apr 11, 2004
Posts: 122

flopy:
Aj ja mam zopar taky spojov. Klienti okolo nejakeho AP mi slapu s internymi antenkami cca do 150-200m v pohode aj na zadne laloky zo smeroviek alebo sektoriek.

Na ake interne anteny kolko decibelov aka je max dlzka koaxu a akeho v pripade internych anten.
 
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floppy
Post subject: RE: zadne vyzarovacie laloky - daju sa pouzit ?  PostPosted: 01.05.2004 - 13:16 #8275
Basic


Joined: Mar 03, 2003
Posts: 423
Location: Nitra
Pod internymi antenkami som mal namysli tie stvrtvlnove dipoly, ktore sa dodavaju ku kartam, HW APckam a tak. Neviem, ci stvrtvlnovy dipol ma nejake dB, ale v istom obchode www.data.sk, predavaju 5dB interne antenky aj s magnetickym uchytom.
 
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stefan1
Post subject: RE: zadne vyzarovacie laloky - daju sa pouzit ?  PostPosted: 02.05.2004 - 00:16 #8328
Basic


Joined: Apr 11, 2004
Posts: 122

Mozete odpovedat na nasledujuce otazky.
1. Na Antene ISM 14 dB aky dosah v metroch.
2. Na Antene ISM 19 dB aky dosah v metroch.
3. Na Antene ISM 24 dB aky dosah v metroch.
4. Na Anténe Micro 8 dB aky dosah v metroch.
 
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jmi
Post subject: RE: zadne vyzarovacie laloky - daju sa pouzit ?  PostPosted: 02.05.2004 - 00:39 #8333
Guru


Joined: Feb 19, 2003
Posts: 1133
Location: blizko Trencina
vsetko zalezi od vela veci, hlavne viditelnost, antena na druhej strane, vykony pouzitych zariadeni, citlivost zariadeni, dlzka koaxov

stiahni z www ferimex sk kalkulacku a vychadzaj z nej ..
SOM by ti mal byt aspon 10 a v moc zarusenom prostredi aj viac.
samozrejme to co zrata ta kalkulacka je idealny pripad
 
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