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Post subject: RE: Dodavana antenka ku wifi zariadeniam
Posted: 02.04.2006 - 18:43 #33275
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Majster
Joined: Feb 05, 2003
Posts: 2686
Location: Topolcany
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sum okolo 80 tu mam tu v to skoro vsade...neverim ze v ba mate 90;o) |
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Post subject: RE: Dodavana antenka ku wifi zariadeniam
Posted: 02.04.2006 - 18:54 #33279
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Basic
Joined: Dec 01, 2004
Posts: 214
Location: Bratislava
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kedysi (cca rok dozadu) bol 90 Zarusit sa da aj ine mesto ako BA |
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Post subject: RE: Dodavana antenka ku wifi zariadeniam
Posted: 02.04.2006 - 18:55 #33280
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Majster
Joined: Jan 12, 2003
Posts: 4250
Location: /dev/null
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fleg: zavisi od toho kde si a aku antenu mas... videl som uz aj -75 na niektorych strechach s antenami s vhodne sirokym vyzarovacim uhlom
ale kedze 2.4ky uz ani velmi po strechach nemam, len u klientov, tak take pekne vysoke cisla uz velmi casto nevidim |
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Post subject: RE: Dodavana antenka ku wifi zariadeniam
Posted: 02.04.2006 - 21:00 #33283
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Basic
Joined: Mar 30, 2006
Posts: 417
Location: C:\WINNT>
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uf.. takze je lepsia kvalita linky ak mam:
signal -60db(i?) a šum -90
alebo je lepsia -60dbi a -80 ?
inac.. s tou malou antenkou som sa dostal na AP ale islo to len 100kbps a obrovske straty... dal som plechovku s 5m RG58 + Fkonektory + teraz vyrezany z misky "lievik" a ide to na -85dB(m?) 1MBps |
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Post subject: RE: Dodavana antenka ku wifi zariadeniam
Posted: 02.04.2006 - 21:20 #33284
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Ucen
Joined: Aug 09, 2004
Posts: 753
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sum -90dBi je mensi ako -80dBi, ale dolezity je odstup signal-sum |
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Post subject: RE: Dodavana antenka ku wifi zariadeniam
Posted: 02.04.2006 - 21:34 #33286
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Basic
Joined: Mar 30, 2006
Posts: 417
Location: C:\WINNT>
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neos wrote: ›sum -90dBi je mensi ako -80dBi, ale dolezity je odstup signal-sum
joj, nestacia dva udaje
cize z tych dvoch odpovedi je lepsi ten -60 a -90 ...
a v com sa mera Sum? a ake ma mat cisla odproti signalu alebo comzu ?
vie mi niekto vysvetlit co znamenaju a ktorym hodnotam mam "verit"
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Post subject: RE: Dodavana antenka ku wifi zariadeniam
Posted: 02.04.2006 - 21:40 #33287
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Majster
Joined: Aug 31, 2005
Posts: 2295
Location: Hájske
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6* Gckove turbo ? teda aspon tak mi to pise jedno AP
napisal by som ti moje namerane hodnoty ktore mam ale nestihol som pripojit dnes AP |
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Post subject: RE: Dodavana antenka ku wifi zariadeniam
Posted: 02.04.2006 - 21:56 #33288
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Basic
Joined: Mar 30, 2006
Posts: 417
Location: C:\WINNT>
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cobain wrote: ›6* Gckove turbo ? teda aspon tak mi to pise jedno AP
napisal by som ti moje namerane hodnoty ktore mam ale nestihol som pripojit dnes AP
no je to Adsl router Drayter vigor 2600 a bezdrotovu lan cast mam nastavenu na Iba 11.b |
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Post subject: RE: Dodavana antenka ku wifi zariadeniam
Posted: 02.04.2006 - 21:59 #33289
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Majster
Joined: Aug 31, 2005
Posts: 2295
Location: Hájske
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no ja som to akurat kukal teraz na mojom a ked dam siesty kanal tak tam hned mi dava G turbo ae da sa to vypnut |
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Post subject: RE: Dodavana antenka ku wifi zariadeniam
Posted: 02.04.2006 - 22:00 #33290
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Basic
Joined: Mar 30, 2006
Posts: 417
Location: C:\WINNT>
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cobain wrote: ›no ja som to akurat kukal teraz na mojom a ked dam siesty kanal tak tam hned mi dava G turbo ae da sa to vypnut
a ako sa to da vypnut? len preladenim na iny kanal? |
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Post subject: RE: Dodavana antenka ku wifi zariadeniam
Posted: 02.04.2006 - 22:05 #33291
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Majster
Joined: Aug 31, 2005
Posts: 2295
Location: Hájske
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Super G with Dynamic Turbo mode only operates in Channel 6.
no pod tym mam moznost navolit si mod tohoto kanalu ale ak navolim mod kanalu tam mi to hodi automat kanal 6.
ale toto Ap je len pre mna tak to mam nastavena na 1 plus WPA co mi staci zatial |
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Post subject: RE: Dodavana antenka ku wifi zariadeniam
Posted: 02.04.2006 - 22:05 #33292
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Ucen
Joined: Aug 09, 2004
Posts: 753
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majklxxx wrote: ›
cize z tych dvoch odpovedi je lepsi ten -60 a -90 ...
a v com sa mera Sum? a ake ma mat cisla odproti signalu alebo comzu ?
vie mi niekto vysvetlit co znamenaju a ktorym hodnotam mam "verit"
signal = -83 len tak tak podla mna
noise=sum=-100(dost dobry->maly) |
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Post subject: RE: Dodavana antenka ku wifi zariadeniam
Posted: 02.04.2006 - 22:15 #33293
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Basic
Joined: Mar 30, 2006
Posts: 417
Location: C:\WINNT>
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cobain wrote: ›Super G with Dynamic Turbo mode only operates in Channel 6.
no pod tym mam moznost navolit si mod tohoto kanalu ale ak navolim mod kanalu tam mi to hodi automat kanal 6.
ale toto Ap je len pre mna tak to mam nastavena na 1 plus WPA co mi staci zatial
hmm ja nemam v bezpecnosti nic nastavene (Vypnut) a skusam menit kanal cez wifi rozhranie a nic... |
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Post subject: RE: Dodavana antenka ku wifi zariadeniam
Posted: 02.04.2006 - 22:16 #33294
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Basic
Joined: Mar 30, 2006
Posts: 417
Location: C:\WINNT>
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neos wrote: › majklxxx wrote: ›
cize z tych dvoch odpovedi je lepsi ten -60 a -90 ...
a v com sa mera Sum? a ake ma mat cisla odproti signalu alebo comzu ?
vie mi niekto vysvetlit co znamenaju a ktorym hodnotam mam "verit"
signal = -83 len tak tak podla mna
noise=sum=-100(dost dobry->maly)
no neviem neviem, ale tu -100 mi tam pise stale |
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Post subject: RE: Dodavana antenka ku wifi zariadeniam
Posted: 02.04.2006 - 23:31 #33303
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Basic
Joined: Nov 16, 2004
Posts: 210
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majklxxx wrote: › neos wrote: › majklxxx wrote: ›
cize z tych dvoch odpovedi je lepsi ten -60 a -90 ...
a v com sa mera Sum? a ake ma mat cisla odproti signalu alebo comzu ?
vie mi niekto vysvetlit co znamenaju a ktorym hodnotam mam "verit"
signal = -83 len tak tak podla mna
noise=sum=-100(dost dobry->maly)
no neviem neviem, ale tu -100 mi tam pise stale
neviem ake pouzivas AP.. ale noise -100dB je super. V Ziline na zaciatku bol noise okolo -98dB, potom to islo dole vodou aj na hodnoty -80dB
A co sa tyka sily signalu, zalezi od citlivosti AP/karty. Napr LinkSys WRT54G este ide pri -93dB na 1mbit (SNR=100-93=7dB), pri cca -70 dB (SNR=100-70=30dB) uz ide na 54mbit. Samozrejme ak pri signale -93dB je sum -90dB tak to nepojde vobec.
A ten pelendrek -- skus ho strcit napr. do obalu z Pringles a nasmerovat na kamosa.Samozrejme kupovana antena je ovela lepsie riesenie, najma aby si nerusil ostatnych. |
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