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The time now is 28.04.2024 - 09:12


dlzka pigtailu

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goose
Post subject: dlzka pigtailu  PostPosted: 23.02.2006 - 08:18 #30945
Ucen


Joined: Nov 04, 2003
Posts: 544

hladal som v diskusii ,ale touto temou sa zaoberalo len okrajovo. tak vytvaram novu diskusiu..

chcem vytvorit 2,4Ghz spoj. na oboch stranach Planety , ktore sa mi osvedcili aj tam ,kde 1590WX uz nesla tak ako by mala.

Vystup z planetu podla papierov 20dB, -84dBm.
anteny su myslim nieco okolo 15dB.
dlzka spoja 1-1,2Km

otazka je ,ci mozem dat na jednu stranu 15m pigtail.. na druhej strane je antena rovno pri Apcku ,takze tam je len zakladny 30cm pigtail

jednoducho nemozem dat AP rovno k antene tak ako to bezne robim..

mate niekto skusenost s takto dlhym pigtailom ?
z akebo kablu (kupeneho najlepsie v asm, a tam mi ho takisto spravia ,,alebo mate lepsiu volbu? ) by mal byt.. radsej hruby ? viacej by sa mi hodil tenky,lebo budem ho musiet pretlacit cez alaktrikarsku trubku.

pouzil som WLAN kalkulacku a podla nej by to fungovat malo.
 
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Chalan
Post subject: RE: dlzka pigtailu  PostPosted: 23.02.2006 - 08:31 #30947
Majster


Joined: Máj 12, 2004
Posts: 4579
Location: Bratislava
RF240 belden, a ak budes niekedy menit anteny a zariadenia za 5ghz nemusis menit kabel... ale 15m je dost... 5m mam odskusane aj na CDF200 s 8dB antenkou ale len na par m v zarusenej BA.
 
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lubosk
Post subject: RE: dlzka pigtailu  PostPosted: 23.02.2006 - 09:56 #30949
Guru


Joined: Okt 21, 2005
Posts: 1140

vyse 20 metrov na 12 dbi vsesmerovku a slape to ok aj na 2 km Kabel H155 low loss........ mozes robit kable ake dlhe chces len musis pamatat ze strata tam uz bude ja tam mam podla merania tak do 9 dbi stratu? .....
 
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5gigac
Post subject: RE: dlzka pigtailu  PostPosted: 24.02.2006 - 00:55 #31008
Basic


Joined: Jún 29, 2005
Posts: 173
Location: Michalovce
je to jednoducha matematika ... 15m kablaje bezna prax, dolezite je predcizne zacinovat koncovky, daj si na tom zalezat a samozrejme pouzi kabel s plnym medenym jadrom, najlepsie RLA10 alebo RF400 (2x drahsi)
 
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Chalan
Post subject: RE: dlzka pigtailu  PostPosted: 24.02.2006 - 09:03 #31009
Majster


Joined: Máj 12, 2004
Posts: 4579
Location: Bratislava
nieje RLA10 a RF400 10mm koax?
 
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Dikobraz
Post subject: RE: dlzka pigtailu  PostPosted: 24.02.2006 - 10:42 #31011
Guru


Joined: Okt 30, 2003
Posts: 1130
Location: Velke Kapusany
je
 
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