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The time now is 28.04.2024 - 02:42


pigtaily co najkvalitnejsie?

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cobain
Post subject: RE: pigtaily co najkvalitnejsie?  PostPosted: 18.04.2007 - 15:01 #49439
Majster


Joined: Aug 31, 2005
Posts: 2295
Location: Hájske
ak potrebujes RB na otestovanie daj vediet mozno dnes budem mat neco pouzitelne Smile
 
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cobain
Post subject: RE: pigtaily co najkvalitnejsie?  PostPosted: 15.06.2007 - 09:30 #53053
Majster


Joined: Aug 31, 2005
Posts: 2295
Location: Hájske
pani mate nniekto skusenost s kablom H1000 ? mozem ho kludne pouzivat aj na 2,4 alebo len na 5G
 
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kubiik
Post subject: RE: pigtaily co najkvalitnejsie?  PostPosted: 15.06.2007 - 09:44 #53057
Guru


Joined: Jan 24, 2004
Posts: 1685

IMHO, mas kable do urcitej frekvencie. cim kvalitenejsi kabel, tym ma mensi utlm na urcitej frekvencii na meter.

Tj ak pouzijes kabel do 6GHz na instalaciu pre 2,4GHz jedine co ziskas je lepsie parametre. Ale pravdepodobne sa ti s nim bude horsie pracovat ako s kablom urcenym pre nizsie frekvencie -> hrubsie prvky a pod.

Pri kazdej specifikacii kabla mas uvedeny jeho utlm pre rozne frekvencie.
 
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orin
Post subject: meranie  PostPosted: 15.06.2007 - 10:04 #53062
Basic


Joined: Apr 19, 2004
Posts: 159

Najlepsi meraci nastroj co mal moznost skusit je scanner 5 GHz na mikrotiku. Anteny pre 5 GHz su uz velmi citlive na presnost ohniska- umiestnenia ozarovaca. Na 90 perc mas chybu v antene, na 10 perc. v pigtaile. Len vymenou mozes zistit kde je chyba. Na 24 dB na 10 km SNR som mal 21 - 25 dB /Odstup signal/sum /
 
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cobain
Post subject: RE: pigtaily co najkvalitnejsie?  PostPosted: 15.06.2007 - 10:33 #53066
Majster


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Posts: 2295
Location: Hájske
kubik dik moc mi to pomohlo. Ano viem ze to je zla praca bo kabel je tvrdy a zle sa s nim pracuje ael nemam kabel na 2,4 a potrebujem hodit nejake anteny von a aj ked ho objednam dnes mi uz nepride
 
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