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Wireless b/g/n?

post #1 of 20
Thread Starter 
Hi. I'm real confused about this. I have some older laptops in my home, Thinkpad R31, R40 and T41. When it says the laptop supports

Integrated 802.11b, 802.11bg, or 802.11abg wireless (select models) T41
Integrated 802.11b or 802.11ab wireless (select models) R40

What is 802.11bg/abg/ab? I thought routers in the market now only has b/g/n? Should i get the g? n seems very expensive, even for the PCMCIA card.
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post #2 of 20
bg/abg/ab just support the different stanards so a bg supports b and g. as for the router i would get a g as n has not been finalised yet it is just a daft atm
post #3 of 20
There are no offical 802.11n products yet so do not bother. Just get a 802.11g card now.

ab = a + b
bg = b + g
abg = a + b + g

http://en.wikipedia.org/wiki/802.11
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post #4 of 20
Thread Starter 
I see. So wireless g has better security then the b, instead of using a wep key, wat security does it use and how do i use it? Because i must have wireless printing in my house, and securing my wireless b router results on slow internet connection and unable to print wirelessly. I just disable the ssid broadcast and give my internet access a unique name.
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post #5 of 20
you can use wep, wpa-psk or wpa-802.x
post #6 of 20
Thread Starter 
My friend has a wireless g and all he has to do is just input a password to access the router. Which on is it? wep, wpa-psk or wpa-802.x? I also have 2 other questions.

1) How do i check what the integrated wireless adapter supports in windows?
2) Why must they put wireless bg and abg? Cant they just put an abg to solve it all?

Thanks.
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post #7 of 20
Quote:
Originally Posted by crazydj View Post
My friend has a wireless g and all he has to do is just input a password to access the router. Which on is it? wep, wpa-psk or wpa-802.x? I also have 2 other questions.

1) How do i check what the integrated wireless adapter supports in windows?
2) Why must they put wireless bg and abg? Cant they just put an abg to solve it all?

Thanks.
1) Windows doesn't care what type of WiFi you use. You just need to make sure the adapter has a driver. Otherwise, OS doesn't care or matter.
2) Because no one uses 802.11a anymore. So why spend money adding it?
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post #8 of 20
Quote:
Originally Posted by crazydj View Post
My friend has a wireless g and all he has to do is just input a password to access the router. Which on is it? wep, wpa-psk or wpa-802.x? I also have 2 other questions.

1) How do i check what the integrated wireless adapter supports in windows?
2) Why must they put wireless bg and abg? Cant they just put an abg to solve it all?

Thanks.
WPA-PSK and WPA(-802.x) are the same protocol, PSK is just used for commercial purposes, by having a local server to manage everything.

It's most likely WEP though.
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post #9 of 20
i think that is wpa-psk (Wi-Fi Protected Access- Pre Shared Key)
and as for your questons
1 just connect to a wireless ap and if you get 11mbs you are on b if you get 54mbsyou are on g
2 a runs on a different frequency so b and g run at 2.4GHz operating freq but difernt transmission speeds and a run on 5GHz operating freq
post #10 of 20
Thread Starter 
[/QUOTE]2) Because no one uses 802.11a anymore. So why spend money adding it?[/QUOTE]

But the laptop Thinkpad T41 has both the b and b/g. Why even bother to put the b when you have a b/g?

And is there any other way to check what the integrated wireless supports?

EDIT: I see. Its a different frequency.
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