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The time now is 15.06.2024 - 23:01


Otazky a otazky..

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JohnSK
Post subject: Otazky a otazky..  PostPosted: 16.11.2004 - 00:09 #12860
Basic


Joined: Nov 16, 2004
Posts: 210

Zdravim. Mal by som zopar otazok ohladne WiFi anten, snad mi niekto odpovie Smile

1. Ktora antena ma vacsi zisk? Pringles (cize Yagy-Uda) alebo normalna
plechovkova (a.k.a. jahodova antena). Osobne som postavil obe ale nestihol som obe preskusat lebo som predal moju PCI WiFinu a APecko ma bug vo FW takze signal chodi hore-dole

2. Este k tej Pringleske - Al trubky som nahradil Cu trubkami a dal vacsie podlozky - myslite ze to bude rusit okolie? Je zakazane pouzivat Cu v antenach?

3. Ako je to so ziskom? Som cital ze TUSR povolil max 20 dB - cize ak mam APecko 18dB a antenu 14dB - kolko je vysledny zisk? Snad sa to nespocitava - straty v kabli a koncovkach?

4. USB WiFi kluc - odporucam strcit bud do plechovky alebo Pringlesky,signal hned niekolkonasobne skoci - zaujimalo by ma ale ci existuje este ina antena kt. by zosilnila USB WiFi kluc.


Moc dik za vsetky odpovede

Caute
 
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mgx
Post subject: RE: Otazky a otazky..  PostPosted: 16.11.2004 - 14:58 #12868
Guru


Joined: Dec 27, 2002
Posts: 1505

pringles/plehovica ->

obidve antenu su podobne parametrami aj rusenim

zisk/vykon

pozri si FAQ, tam mas navod aj postup ako to pocitat

mgx
 
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Dikobraz
Post subject: RE: Otazky a otazky..  PostPosted: 16.11.2004 - 15:25 #12869
Guru


Joined: Okt 30, 2003
Posts: 1130
Location: Velke Kapusany
Ja chcem pouzivat anteny s nizkym ziskom a s malym vyzarovacim uhlom. Co odporucat??? Moje predstavy cca. zisk 10dB a uhol do 20 stupnov vertical.
 
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gyro
Post subject: RE: Otazky a otazky..  PostPosted: 16.11.2004 - 16:08 #12870
Majster


Joined: Okt 22, 2003
Posts: 3321
Location: Banská Bystrica - Rudlová
"Made in home" anteny su unas zakazane, bez ohladu ci puzijes Cu alebo Al Smile
 
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fleg
Post subject: RE: Otazky a otazky..  PostPosted: 16.11.2004 - 17:11 #12872
Majster


Joined: Feb 05, 2003
Posts: 2686
Location: Topolcany
presne to som chcel napisat si ma u kusok predbehol;o)
 
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