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Old 30.01.2012, 15:02   #1
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Default Adaptoare wireless Alfa

In ultimele zile am citit o gramada despre aceste adaptoare (inclusiv thread-urile de pe RPC), dar tot nu am ajuns la o concluzie, care ar fi achizitia potrivita.

Am interpretat lucrurile astfel:
Cei 2W putere e chestie de marketing.
AWUS036H - conflict de modulatie cu clientii 802.11n
AWUS036NH - sensibilitate redusa
AWUS036NHR - driver linux intr-o faza imatura
AWUS036NHA - nu iese cu nimic in evidenta

Mentionez ca vreau sa il folosesc in principiu in mod monitor, si nu pentru navigare.

Astept sfaturi
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Old 30.01.2012, 15:48   #2
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Default Re: Adaptoare wireless Alfa

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AWUS036H - conflict de modulatie cu clientii 802.11n
Nu cred ca am inteles prea bine la ce anume te referi cu acel conflict ...
AWUS036H nu are standard n, ci doar g.

Din cate stiu eu, cel mai bine suportat in mod monitor e AWUS036H de 1W, cu chipset Realtek 8187L. (Atentie insa la "clonele" contrafacute ! E plina "piata" de asa ceva )
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Old 30.01.2012, 15:54   #3
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Default Re: Adaptoare wireless Alfa

Lasa-ma sa citez de pe documentatia aircrack-ng:
"Your monitor card must be in the same mode as the both the client and Access Point. So, for example, if your card was in “B” mode and the client/AP were using “G” mode, then you would not capture the handshake. This is especially important for new APs and clients which may be “turbo” mode and/or other new standards."

Despre AWUS036NHR am citit:
"at this time it does not appear to be possible to get AWUS036NHR into monitor mode AND have 802.11n capabilities at the same time, see Alfa’s AWUS036NH or Rokland’s n3 for 802.11n and monitor mode capability" - postat in august 2011. Oare mai este actual?
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Old 30.01.2012, 16:07   #4
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Default Re: Adaptoare wireless Alfa

Raspunsul este mai simplu decit iti imaginezi,noi toti laudam Alfa de 1w cu rtl 8187L.Daca citesti pe alte pagini,si ai nelamuriri,atunci sa ti le rezolve ei,sa iti explice ce zic si de ce zic,daca nu,urmezi sfaturile noastre si cumperi ce am citat mai sus.
Manuale pentru fiecare model in parte si pentru cazul tau in mod special nu o sa iti faca nimeni.
Forumul asta este super saturat de discutii despre Alfa in cauza,nu trebuie decit sa citesti si vei vedea despre ce este vorba.
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Old 30.01.2012, 16:15   #5
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Default Re: Adaptoare wireless Alfa

OK, am inteles !
Sincer eu n-am intalnit niciodata situatia in care sa am probleme datorita faptului ca AWUSH036H "stie" doar g si nu n sau turbo-mode... Chestiune de noroc sa nu dau peste un AP cu asemenea combinatie ? Posibil ...
Sa vedem ce zic kittmask si inginerul01.

Noul chipset Realtek (din AWUS036NHR) ce "stie" si standard n (RTL8188RU) e inca a naibii de nou, asadar suportul "cu tot tacamul" (mod monitor in standard n) inca nu a fost pus la punct. Probabil ca pe viitor va fi, dar in prezent tot numai RTL 8187L e cel mai bine suportat (desi Realtek au anuntat "end of life" al acestui model in favoarea noului 8188RU).

Nu stiu ce sa-ti sugerez: 8187L din AWUSH036H e un pic cam vechi (d.p.d.v. standard n) pe cand 8188RU din AWUS036NHR e prea nou (deci incomplet suportat)... Daca ai nevoie neaparat de standard n, singura solutie e AWUS036NHR; probabil pe viitor va avea suportul pe care il are in prezent AWUSH036H. Dar asta inseamna sa cumperi placa si sa astepti ... Cat ? Habar n-am ! Altfel, daca "te multumesti" si cu standard g, solutia optima e AWUSH036H.
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Old 30.01.2012, 16:20   #6
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Default Re: Adaptoare wireless Alfa

Hei...omul vrea mod monitor,deci Alfa 1w rtl 8187L,restul sint doar teorii.
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Old 30.01.2012, 16:23   #7
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Default Re: Adaptoare wireless Alfa

kittmask: chiar tu ai scris ca AWUS036NHR "merge super bine". Sa inteleg ca nu asa de bine ca AWUS036H (cel putin cand vine vorba de modul monitor)...

Poate incerca cineva va rog daca AWUS036H in mod monitor vede four-way handshakeul intre un client si AP cu N?
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Old 30.01.2012, 16:26   #8
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Default Re: Adaptoare wireless Alfa

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Poate incerca cineva va rog daca AWUS036H in mod monitor vede four-way handshakeul intre un client si AP cu N?
As face cu mare placere, dar tot ce am eu (implicit traficul ce-l pot monitoriza) e pe g ...
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Old 30.01.2012, 16:35   #9
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Default Re: Adaptoare wireless Alfa

Quote:
Originally Posted by Tracid View Post
kittmask: chiar tu ai scris ca AWUS036NHR "merge super bine". Sa inteleg ca nu asa de bine ca AWUS036H (cel putin cand vine vorba de modul monitor)...

Poate incerca cineva va rog daca AWUS036H in mod monitor vede four-way handshakeul intre un client si AP cu N?
Intuiesc ca nu prea stii linux,si aici nu va sta nimeni sa iti faca un manual pas cu pas ca sa poti pune o Alfa in ,,N" in mod monitor,si din acelasi motiv iti recomand ce foloseste 99.9% din useri pentru modul monitor,plus faptul ca banuiesc ca nu stii spaniola la nivel tehnic destul de avansat ca sa te trimit pe pagini spaniole si sa iti cauti informatia necesara.
Daca vrei sa asculti sfatul ia Alfa 1w rtl 8187L si vei mai gasi suport in limba romana aici pe forum,daca nu cum consideri tu,dar ai fost avertizat ca sa stii.
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Old 30.01.2012, 16:36   #10
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Default Re: Adaptoare wireless Alfa

Te inseli, poate ca stiu Linux la nivel "I wrote the book".
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Old 30.01.2012, 16:41   #11
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Default Re: Adaptoare wireless Alfa

Perfect atunci,da-i bataie si pune o Alfa N in mod monitor,sincer sa fiu si eu as avea nevoie de astfel de informatie,pentru ca dupa citeva zile de teste,si reusite,azi daca vreau sa mai fac asa ceva trebuie sa o iau de la capat pentru ca nu mai stiu cum am facut la inceput.Succes!
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Old 30.01.2012, 16:45   #12
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Default Re: Adaptoare wireless Alfa

Deci se poate pune in mod monitor dar numai cu multa bataie de cap. Odata pus in mod monitor, functioneaza stabil?
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Old 30.01.2012, 16:48   #13
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Default Re: Adaptoare wireless Alfa

E, asta as fi tare interesat sa aflu si eu ... Cat de stabil ...
Nu de alta, dar "batranul si credinciosul" RTL 8187L va fi in curand "obsolete" la retele n si va trebui sa trec si eu pe 8188RU ... Tare-as vrea sa stiu si eu cat de stabil e pana sa cumpar o placa cu noul chipset !
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Old 30.01.2012, 17:53   #14
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Default Re: Adaptoare wireless Alfa

Aplicatia "la moda" zilele astea este reaver-wps.
Ei, ca sa functioneze reaver , este imperios necesar ca chipsetul placii
wireless sa poata fi pus in mod monitor.Lucrul asta se realizeaza cu
drivere adecvate.

Aici o sa gasiti SupportedWirelessDrivers

Bogdane,
Ultimul comentariu , pus azi acu 4 ore, a lui @babarr (Confirming that AWUS036NHR (rtl8188ru chipset) works with the rtl8192cu driver.) ma
face si pe mine sa ma gandesc serios la achizitia unei NHR
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Old 30.01.2012, 17:57   #15
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Default Re: Adaptoare wireless Alfa

inginerul01, am vazut, si mai este inca un comentariu acolo: "I tried the chipset and runs rtl8188ru with rtl8192cu driver, you can add to the list of supported wireless drivers."
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Old 30.01.2012, 18:01   #16
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Default Re: Adaptoare wireless Alfa

Asta e deja un lucru foarte bun !!!!
Deci, cum zicea Bogdan ,rtl8188ru e de viitor si se merita achizitionat.
Dar "ce si cum" inca trebuie aflat.
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Old 31.01.2012, 12:44   #17
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Default Re: Adaptoare wireless Alfa

Saptamanile acestea voi fi ocupat, dar undeva pe la sfarsitul lunii februarie imi comand un AWUS036NHR sa vad ce poate, daca alt contra nu aflu pana atunci (pe langa faptul ca e cam greu sa il pui in mod monitor).
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Old 01.02.2012, 00:26   #18
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Default Re: Adaptoare wireless Alfa

sa nu faci greseala sa comanzi de la Amatorul sau And333 (pe okazii) ca eu am cumparat de la el o alfa AWUS036NHR gata stricata
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Old 01.02.2012, 00:38   #19
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Default Re: Adaptoare wireless Alfa

Mai mult ca sigur ca de pe wifimag imi iau. Am avut niste discutii cu Serghei de la suportul tehnic, si imi inspira incredere. Preturile sunt aprox. la fel ca pe Okazii, in schimb ai 1 an garantie reala.
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Old 01.02.2012, 01:00   #20
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Default Re: Adaptoare wireless Alfa

garantia 1 an face toti banii
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