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32 Posts

03-21-2010

italy

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  • Message 11 of 30

Re: X100e WiFi radio/antenna weak?

2010-04-10, 5:37 AM

Hi,

the part document can help you. And this is all about the x100e parts.

Bye.

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22 Posts

04-09-2010

USA

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  • Message 12 of 30

Re: X100e WiFi radio/antenna weak?

2010-04-10, 15:08 PM

Thanks again Gaetano for more useful links.

 

That part link for the antenna shows 2 WLAN antennas, on "MAIN" one "AUX".

 

I'm guessing those 2 are for 2.4Ghz & 5Ghz separately.  Anyone know for sure?

 

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32 Posts

03-21-2010

italy

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  • Message 13 of 30

Re: X100e WiFi radio/antenna weak?

2010-04-10, 16:39 PM

I don't thing so.

One antenna (main and aux) is for wwan (3g) card and one (main and aux) for wlan (802.11a/b/g/n) card. The trird antenna (wimax) seems to be missed.

Bye

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1 Posts

04-20-2010

Carlsbad, CA

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  • Message 14 of 30

Re: X100e WiFi radio/antenna weak?

2010-04-20, 2:28 AM

I can't seem to connect to my wndr3700 dual band @ 5 GHz - only 2.4, so I'm thinking the Realtek card doesn't do 5 GHz. Would be nice to find that documented somewhere though.

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32 Posts

03-21-2010

italy

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  • Message 15 of 30

Re: X100e WiFi radio/antenna weak?

2010-04-20, 5:47 AM

Hi.

5Ghz frequency is designed to 802.11a and 802.11n standard. Others (802.11b, 802.11g and 802.11n) use the 2.4 Ghz frequency.

If you have a Thinkpad Wifi adapater b/g/n (Realtek) you can only use the 2.4 Ghz.

Usefull link is there and to know what standard your wifi card support search on Lenovo site for technical document.

Bye

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22 Posts

04-09-2010

USA

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  • Message 16 of 30

Re: X100e WiFi radio/antenna weak?

2010-04-20, 13:29 PM

Oh sh*t!

 

Gaetano I'm just starting to realize what you've been saying... the Realtek B/G/N adapter only a 2.4Ghz!  No 5Ghz at all?!

 

I bought the X100e largely to do a new building survey where we're putting in Cisco 1142n WAP's, which are simultaneous dual-frequency (2.4Ghz & 5Ghz).

 

Now it's just dawned on me that the X100e will not be able to test the 5Ghz signal coverage.

 

This is very bad for me because (a) I need to start this survey right away, and (b) the 14-day store return policy for my X100e ends tomorrow.

 

p.s. I don't suppose there are any reasonably prices external (USB?) 802.11a/n antennas.

 

 

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4289 Posts

12-02-2007

United States of America

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  • Message 17 of 30

Re: X100e WiFi radio/antenna weak?

2010-04-21, 5:10 AM

Hello,

 

Cisco (through their Linksys division) offers a dual-band (2.4GHz/5GHz) USB network adapter, model WUSB600N.  Although they have buried the technical information on their web site, it appears the device will work just fine with an X100e.

 

Regards,

 

Aryeh Goretsky

 



I am a volunteer and neither a Lenovo nor a Microsoft employee.

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32 Posts

03-21-2010

italy

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  • Message 18 of 30

Re: X100e WiFi radio/antenna weak?

2010-04-21, 6:01 AM

Hi northbank,

there is another solution (that I think for me too): upgrading the wifi adapter.

Look at this. In any case (usb or mini-pci) you will have a battery duration reduction.

Bye

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22 Posts

04-09-2010

USA

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  • Message 19 of 30

Re: X100e WiFi radio/antenna weak?

2010-04-21, 13:03 PM

Thanks guys.

 

Yeah I saw the Linksys USB adapter.  Probably the antenna is kind of short but it's an option.

 

And I had been wondering about the idea of replacing the Realtek b/g/n with something like the Intel a/b/g/n you ref'd.  Battery life for X100e is already pretty poor so maybe you could turn off the 5Ghz radio when not needing it?  Not sure how do-able/easy that would be.

 

Gaetano, I'll let you be the pioneer on this one.  ;)  Please report back if you do it.

 

p.s. I've decided to keep the X100e and live without the 5Ghz cabability at least for now.  Hope I don't regret that.

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1 Posts

05-05-2010

Jakarta

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  • Message 20 of 30

Re: X100e WiFi radio/antenna weak?

2010-05-05, 1:32 AM

Hi,

 

I'm having the same problem with my x100e.

But the wifi connections only flips on and off when i boot with ubuntu.

With windows 7, the only problem is just the weak signal.

Do you guys know where i can get the latest wifi driver for ubuntu ?

 

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