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Old 03-01-2004, 01:55   #1 (permalink)
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Wireless stuff

As dori in acest thread sa descrieti experientele dumneavoastra in domeniul retelelor wireless: distanta maxima acoperita, signal strength/quality, placile folosite, AP-uri, antene, etc.

Eu am pe 3km 28% cu un tincan si o omni. Vizibilitate foarte buna. Omni-ul este cumparat de la www.ral.ro, cel de 6dB, iar tincan-ul facut de mine. La omni am un ap Lucent iar la tincan un nic ralink.

Inca ceva: "am auzit ca cineva are link pe xxx Km..." nu ii relevant. Rezultate PRACTICE!
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Old 03-01-2004, 18:00   #2 (permalink)
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Pe aprox 5 Km am 60% puterea semnalului, cu 1 antena de 24dbi si una de 18dBi (provizorie), un router baricade smc 802.11g si o placa pci wireless tot smc.

Partea urata e ca in 802.11g transferul ajunge la 180kB/s si pingul creste, deci se vede cum se "umple" banda, iar in 802.11b transferul duce 600kB/s constant cu ping de pana 15-20ms. Ceva pute si nu reusesc sa-mi dau seama ce

Aparatele au intre ele ping de 1-2ms.
 
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Old 03-01-2004, 22:36   #3 (permalink)
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Incearca sa le setezi pe viteza mai mica sa vezi dc se repeta fenomenu. Dupa parerea mea este din cauza ca multe frame-uri sunt retransmise, distanta fiind mare.
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Old 03-01-2004, 22:40   #4 (permalink)
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Daca routeru il pun pe alta viteza decat "Auto" pierd semnalu, adica ajunge la 26% si se pierde, ma rog, devine neutilizabil. (pica din 5 in 5 secunde)
Daca pun viteza mica pe placa pci nu se simte nimic, merge la fel.
 
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Old 03-01-2004, 22:43   #5 (permalink)
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Pune-le pe amandoua pe o viteza mai mica. Aceeasi viteza.
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Old 04-01-2004, 11:58   #6 (permalink)
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Si eu am 2 PLANETuri WAP4000. LA distanta de 300-400m daca le pun pe G apar LOSSuri , viteza variaza (de la 0 la 300 mai urca si pe la 1 MB dar cade iar la 0).Nu stiam ce sa le fac. Si am zis sa le trec pe ambele in 11B. Am limitat la 5.5 mbps (ca asa am vrut eu , mergea si pe 11 mbps,dar am lasat asa) si merge la 300 KB constant, numai sunt LOSSURI. Am incercat sa trec pe G pe viteza cea mai mica adik 6 mbps. Cand am trecut pe 6 mbps iarasi LOSSuri viteza numai era constanta. Si am trimis un mail la PLANET sa vad despre ce e vorba si uitati replyul:
11B device can work stablely than 11G device . Because 11G signal can be jam easily . It is suit to install in a clear environment ( less noise and less obstructer) . So the 11B can wok with 11Mbps , but 11G only 6Mbps . That is why that many manufacturer make their 11G product support 11B interface at the same time . 11B interface can provide more stable signal when the 11G is not suit to in the connection environment .
 
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Old 04-01-2004, 12:27   #7 (permalink)
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Pune-le pe amandoua pe o viteza mai mica. Aceeasi viteza.
Nici o sansa, imi merge cu 10kB/s.
Pe 802.11b ce viteze de transfer maxime ati obtinut? A reusit cineva 1MB/s?
 
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Old 04-01-2004, 12:50   #8 (permalink)
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pe 11b normal maximum e cam 650-700 KB (ca merge in half duplex reteaua), doar a 11B+ sa mearga la 1 MB (dar din auzite nu prea...........)
 
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Old 04-01-2004, 23:50   #9 (permalink)
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ete ca io am tras cu 4Mb numa ca distantza era mica (in 2 camere). La distantza nush cum se comporta. pe o parte un smc2402 si dincolo ralink rt2400. snorlex > hihi ar fi culmea sa mearga in full duplex =)
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Old 05-01-2004, 08:56   #10 (permalink)
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Imposibil 4mbytes. Doar sa di sarit numai o secunda doua (dar nu constant).Cu ce echipamentele ai facut testul?
 
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Old 05-01-2004, 11:48   #11 (permalink)
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Hotarati-va, sunt "4Mb" sau "4mbytes" ?
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Old 05-01-2004, 14:46   #12 (permalink)
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Eu zic ca pe 802.11b nu se ajunge la 7Megabiti nici cu echipamentele unu langa altul.
Iar 4MegaBytes numai pe 802.11g se pot atinge si asta cu ele apropiate.
 
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Old 05-01-2004, 19:57   #13 (permalink)
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nu atingi 4 Megbytes pe G (vreo 3 maxim........).

DJ-lyon pan la urma miam dat seama cei cu Apurile (merg f. prost in G mde si leam trecut in B, acu rup........vorba ta , am dat in plus degeaba pe 11).Chiar am primit si de la PLANET (am dat PASTE mai sus la ce miau scris)
 
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Old 05-01-2004, 20:06   #14 (permalink)
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Asta e, eu zic, eu aud...

PS: Cred ca am probleme cu Trillian-ul, de asta nu ne mai vedem pe YM
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Old 05-01-2004, 20:16   #15 (permalink)
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Ce miai zis sa nu cumpar 11G?
Sau te refereai ca merg bine PLANETURILE?
 
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Old 05-01-2004, 23:19   #16 (permalink)
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4 megabits. pai ele is de 11 megabits. in megabytes ar veni unu shi ceva, nu 4. 11/8=1.375Mbytes viteza maxima teoretica =). => am copiat cu cca 500KBytes/s
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Old 06-01-2004, 03:02   #17 (permalink)
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huh ... bine ca ne lamuriram ...
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g@urika out !
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Old 06-01-2004, 08:08   #18 (permalink)
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Originally Posted by gaurika
huh ... bine ca ne lamuriram ...
Da, eu incepusem sa am emotii...
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Old 06-01-2004, 12:11   #19 (permalink)
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Eu zic sa discutam si despre setarile placilor wireless, ap-urilor, routerelor (setarile pe partea de wireless, nu pe cea networking)
Cat de bune sunt firewallurile integrate, daca merita wep si alte chestii de securitate activate, cat incarca banda ele. ETC.
 
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Old 06-01-2004, 22:15   #20 (permalink)
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Pai eu cand am pornit WEP-ul nu am simtit diferentza. Ce parere aveti de smc2402? Eu am o parere cam proasta din cauza ca nu prea are semnal cand cu un Ralink este semnal (RaLink-ul costa 1.250.000 si SMC-ul in jur de 2.500.000 sau mai mult). Care-i faza?
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"Never argue with an idiot. They drag you down to their level then beat you with experience"
 
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