Ubuntu Networking :: Increase Tx Power Of My Wireless Cards?
Jul 29, 2011
I have a wlan0 which is Atheros AR928X and wlan1 which is Alfa AWUS036H
I thought I could set iwconfig wlan0 txpower [higher than 20] but any value more than 20 results in:
Error for wireless request "Set Tx Power" (8B26) :
SET failed on device wlan0 ; Invalid argument.
I get the same error for wlan1 when trying a value higher than 27.
Is there a way of increasing the TX power and if not then why not?
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Aug 11, 2010
I'm running 10.04 64 bit, and the Intel PRO/Wireless 5100 AGN does not work with n routers. I'd like to either upgrade the card, or buy a usb adapter, but I can't figure out which cards will work. I've searched[URL].. which lists supported wifi cards, but most of the info on that page is not relevant to lucid, and hasn't been updated at all this year. I saw elsewhere that any card with the atheros chipset will work, but what cards have this? Will all of them with this chipset work?
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May 2, 2010
Had a hard drive fail this week, and I am going to order a new one. I am using $150 dollars in Best Buy gift certificates. Well seeing as how I have some left over I would like to get a usb wireless adapter that would work out of the box (preferably usb although I could always get an internal). All Best Buy has are wireless N cards and I was wondering if anyone knows if any Wireless N USB cards work out of the box without downloading firmware or NDISwrapper.
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Jun 13, 2010
I recently purchased two MSI Windtop AE2220's. One for my home which uses a router with WPA2 protection and one for my office where I use WEP encryption.
The Realtek internal wireless card will not connect to a WEP router if you are running Ubuntu Lucid Lynx 10.04. I have exhausted all suggestions on this site and all drivers found at Realtek's site.
I have been using Ubuntu since Hardy Heron, but sadly, painfully, I have had to install Windows 7 on my office machine until I find a wireless card compatible with the MSI Windtop AE2220, Lucid and WEP.
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May 4, 2011
Is there a way to increase my internet speed in ubuntu 10.10 with a wireless conection
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Nov 30, 2010
I'm new to Ubuntu - I've decided to give Ubuntu Studio a go as an alternative to Windows. However, after installing it, neither of my network cards work. I have a Intel Pro Wireless 3945ABG wireless card, and a Broadcom Netlink Gigabit Wired card. Neither work, And I'm not sure how to. I've tried searching, and have come up with the .tgz file here, but I have no idea what to do with it I'm concentrating on the wireless card for the moment, seeing as that will be the main one I use.
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Dec 6, 2010
This doc is very outdated. I don't know who compiled it, but it's very old and isn't up to pace with all the newer hardware that has been released over the past year.
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Jul 16, 2011
Disable Dvd/cd rom , usb ports and wireless cards permanently in acer laptop. I no longer need those..
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Jun 1, 2011
I'm using natty, and in power management settings the maximum time I can set to put my pc on sleep after being idle is 2 hours, how can I increase this time? I need to put it on at least 4 hours.
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Feb 8, 2010
I've got an old laptop wich wireless adapter is a Gigabyte GN-WI01 GS MINI PCI(its chipset is Realtek RTL8169/8110, I believe) and I'm not able to make it run in Wifislax 3.1 Live CD. I downloaded the linux drivers for it and tried to install them following the instructions but when it came the time to execute configure.sh it told me that I had to actualize some kind of packets first(GK+ or something like that can't remember ). I also have another wireless usb adapter that I tried to use too. It's a Linksys WUSB54g v4(chipset: rt2570). I tried to follow a guide I found about making run an adapter like that on Wifislax 3.1 but when I had to "Force ralink rt73 on rt2500" it doesn't appear on my Live CD version, it appears "Force ralink rt73 on rt2570", dunno if it has something to be but I get an error while making it.
I don't know if it has to be with my laptop, my wireless adapters or my way of following the steps. If it has to be with my adapters I would like to buy some new one(not very expensive) that I won't have any problems running it on Wifislax and that will work on my old laptop(cause I just have that one and can't afford a new one).
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Nov 9, 2010
Update 29/04/2011 The new broadcom driver is included in the 2.6.38 kernel that comes with Ubuntu 11.04 Natty Narwhal I suggest everyone to just upgrade to the new version. Update 07/01/11 user some-one the problem with git sources has been solved. At the moment the only commit version that compiles in 10.10 is this one:[URL].. Download the .tar.gz file in your home directory and extract it.
[Code]...
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Nov 9, 2010
I'm having problems getting two wlan cards to work under Networkmanager with F12. I have an old server that I wanted to move, so thought I'd get a USB wlan device for it. before setting up the server, I thought I'd try the USB (an Edimax EW-7711USn - Ralink 2870) on my laptop first. My laptop has an inbuilt ipw2200 card that works fine under NM.
So I've down loaded the DPO_RT3370_LinuxSTA_V2.4.0.1_20100831.tgz file from Ralink, and built the driver (after changing the os/linux/config.mk file for the WPA supplicant settings). I also install the rt2870 firmware (from Ralink) in the /lib/firmware directory. I also blacklisted the rt2800usb driver to ensure that that didn't get loaded.
The problem I have is that I can now get both the ipw2200 device and the rt2870 devices 'working', but they both try to assume the same IP (I want fixed IP's and not DHCP for them) - what is the way to configure the 'devices' so that the rt2870 device is always given IP x and the ipw2200 given IP y?
I think my problem is really my lack of understanding where/how NM handles the files under the GUI config. I used to semi understand how the old network config tool set up it's files and where they were etc. But with NM I'm a bit lost as to how it equates the device with the network settings. Once I have the device working with the correct driver on my laptop, I'll look to apply the same settings on the server (which is then FC13 - but should be simpler as it doesn't have an existing wlan interface).
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Apr 3, 2011
I have two motherboards, MSI-6702 (64 bit single channel) and MSI-7511 (64 bit dual channel), I have two identical D-Link wireless cards and am running Kubuntu 10.10 on both systems. 7511 recognizes both wireless cards and connects to the Internet.The 6702 shows wireless grayed out on the connections page. The built-in Ethernet card has given out on both. I think I disabled it on the first system to have an Ethernet problem and wonder if I need to do it on the second. I would have tried it already but can' t remember how.
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Nov 15, 2009
I've currently got the beta of fedora 12 installed, hope to upgrade that once the final release comes out. I'm having so many problems getting wireless to work. I've got a edimax ew-7711utn wireless adaptor. It doesn't work. Really what I want is to take it back and get a wireless card that will work.
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Feb 11, 2010
Anyone have solutions for this problem: Can not establish or re-establish wireless connectivity while on battery power. Below are specifications
[Code]....
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Sep 27, 2010
I am using a Linksys wpc600n wireless card that works fine in windows xp, but will not even power on in ubuntu. I tried to use the pccardctl command to get the card to turn on but it still does not turn on.
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Sep 1, 2011
I am running Ubuntu 11.04 32Bit on an ASUS Eee PC 1015PX. I have found a strange anomaly concerning wireless connection when running on battery power. I have been experiencing very slow performance when connecting to my home NAS and also the internet through a wireless connection when using my netbooks internal wireless card (Broadcom Corporation BCM4313 802.11b/g/n (rev 01)) when running on battery power. The card works fine and connects at full speed when running on mains power but as soon as I switch to battery power the card connects to the internet/network fine but the connection speed is very slow indeed. I am using the Broadcom 802.11 Linux STA propriety wireless driver.
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Dec 18, 2010
I'm running Ubuntu 10.10 netbook edition on a Dell Mini 9 - worked around a few wireless issues on setup and connectivity has been fine, but now I'm suddenly losing wifi when I unplug my AC adapter. It still shows me as connected, but when I try to view web pages in Chromium, it will load pages for a few seconds, and then suddenly cuts out - though it still looks like it's trying to load the page.
It's the same if I boot on battery power - it will keep trying to connect to wifi but won't until I plug in the adapter. I'm assuming this probably has something to do with my power management preferences in battery mode, but I'm still pretty new to Ubuntu, and I'm not sure how to fix this. I've played with the options in power management, but I have a feeling there has to be more. Can anyone help me? This has been really frustrating.
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Mar 21, 2011
I have a problem with my wireless where when running the laptop from the battery the connection is very slow. When the laptop is connected to the power supply everything is fine, but the moment it's disconnected and run on the battery the speed drops when browsing the Internet or accessing files on other computers on my network.
The laptop is a Samsung SF310
Wireless chipset is BCM4313
Code:
02:00.0 Network controller: Broadcom Corporation BCM4313 802.11b/g LP-PHY (rev 01)
Subsystem: Wistron NeWeb Corp. Device 051a
Flags: bus master, fast devsel, latency 0, IRQ 16
Memory at f4c00000 (64-bit, non-prefetchable) [size=16K]
Capabilities: <access denied>
Kernel driver in use: wl
Kernel modules: wl
In attempt to fix this I installed the latest drivers from the Broadcom site using this guide. When I enabled these drivers everything worked well. I did speed test and got the same speeds I get when connected via Ethernet:
Ping 51ms
DL 4.31
UL 0.65
So I set the drivers to load at boot using this forum post as a guide as the steps in the Broadcom guide didn't work and rebooted the laptop on battery power. The wireless connected fine, but the slow speed problem had returned. Running a speed test got the following results
Ping 235
DL 0.54
UL 0.30
So I ran iwconfig when running from battery and then from power supply.
Code:
xxxx@xxxx ~ $ iwconfig
lo no wireless extensions.
eth0 no wireless extensions.
eth1 IEEE 802.11 Access Point: Not-Associated
Link Quality:5 Signal level:215 Noise level:160
Rx invalid nwid:0 invalid crypt:0 invalid misc:0
As can be seen the signal quality is 5 and signal level 215
Code:
xxxx@xxxx ~ $ iwconfig
lo no wireless extensions.
eth0 no wireless extensions.
eth1 IEEE 802.11 Access Point: Not-Associated
Link Quality:5 Signal level:214 Noise level:164
Rx invalid nwid:0 invalid crypt:0 invalid misc:0
And when connected via the power supply the signal level is 5 and signal level 214. There may be some kind of power saving issue, although there are no relevant setting in the BIOS and I can't see anything in the various wireless control pannels. I have other wireless drivers and there are no problem with those.
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Aug 17, 2011
I am running a version of Ubuntu 10.4 with XFCE loaded (actually Qimo, a distribution for kids). I am using a pci wireless card with a broadcom 43XX chipset and WPA2 authentication using the Broadcom STA driver. In an account with privileges I set the auto eth1 (which is what my wireless card comes up as) to connect automatically, and make available to other users.
When I switch to the kid's account, the wireless connects just fine. Then, if the computer is not used for a period of time, the powersavings mode kicks in. When the computer is woken up, the wireless connection does not attempt to reconnect. If you right click on the networking icon it doesn't even show any available connections, even though it can be found by clicking edit connections. The only way I can get it to reconnect is to restart the machine (I will admit that I did not try to restart the networking service, I will try that tonight).
Any ideas? This has been driving me nuts for a few days now. The users during the day are non technical and can't deal with these kind of issues. I can post more details about the setup (as recommended by the sticky post) tonight. I am at work at the moment and can't get to the machine from here - because it has removed itself from the network again.
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Feb 22, 2010
Are Intel wireless cards compatible with non-intel-based laptops? In my case I wish to upgrade the current Atheros-based mini pci express wifi card with the Intel 4965agn. It is an Asus 4520 with an AMD Athlon X2 processor and nvidia nForce chipset.
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Jan 28, 2010
I am trying to figure out why, i need to restart/reboot ubuntu in order to reconnect wirelessly after being in power save mode. It works fine before the power-save mode and fine after the restart. Is it an IP issue?
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Mar 21, 2011
I recently installed Ubuntu 10.10 onto my Acer Aspire D260 netbook.I find it much easier to use than Windows 7.Everything has been working fine until I recently tried going on the internet via battery power instead of my A/C charger. My update manager is showing that I am up to date and Additional Drivers is showing that the Broadcom STA wireless driver is installed and in use.
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Apr 3, 2010
First of all, this tutorial will use NDISWRAPPER, not b43, not wl (Broadcom STA). So, hooray for new method (actually, the only method ). Now, I don't want anyone to get scared because of bad experiences with Ndiswrapper or whatever, it's actually quite easy. I did not come up with any of this info. I'm just putting this guide together from Kacper Szczesniak's info (who came up with this method), WifiDocsDriverbcm43xxFeisty_No-Fluff from the Ubuntu Wiki, and my experience. The Broadcom STA (wl) driver has references to monitor mode in it's code, but does not have that functionality in reality. The Broadcom Windows driver on the other hand does have this capability. So, for monitor mode to work, you will need a patched version of ndiswrapper.
1) Install the Linux kernel headers:
Code:
sudo apt-get install linux-headers-$(uname -r)
2) Install the tools required to compile Ndiswrapper:
Code:
sudo apt-get install checkinstall dh-make fakeroot gcc build-essential
3) Unload current Ndiswrapper module, if running:
Code:
sudo rmmod ndiswrapper
[code]....
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Aug 21, 2010
I recently read over here: Getting Your Wireless to Work : "For example, open-source firmware for the Broadcom BCM4306/3 BCM4318, and BCM4311/1 was just released. Future openSUSE versions will be able to include this firmware and those devices will work immediately..." I am looking for PCI cards for desktops. Besides the list of supported chipsets at [URL], is there a brand name list with firmware support by OSS 11.3? At the moment, I have a Netgear WG311v3 which believe has been causing system instabilities in both linux and windoze:
01:06.0 Ethernet Controller [0200]: Marvell Technology Group Ltd. 88w8335 [Libertas] 802.11 b/g Wireless [11ab:1faa] (rev 03)
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Jun 21, 2010
I am using Ubuntu 10.04 64-bit and I purchased a new ALFA AWUS036H wireless card. I would like to know if this "1Watt" wireless card is configured for full power. iwlist wlan0 txpower results:
wlan0 unknown transmit-power information. Current Tx-Power=27 dBm (501 mW). It appears to me that I should be able to increase the power. "iwpriv wlan0 highpower 1" does not work. Do I need to patch the new default driver that comes with Ubuntu 10.04 64-bit with the aircrack one following these directions:[URL]...? Monitor mode and a injection tests seem to work fine with the driver I have installed.
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Sep 15, 2010
Does anyone know of any good Wireless cards for Linux, especially for Ubuntu 9.10?
I've seen some notes on the net on recognising wireless in Ubuntu but this is a very lengthy process...
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May 25, 2010
Does anyone have a list of cards supported by this version of the OS?
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Oct 15, 2010
After much research, I have found the solution to my intermittent wireless problem!Whenever the laptop is plugged into power, wireless is perfect, when I'm on battery, wireless is horrible.Here is the fix:
Code:
sudo iwconfig eth1 power off
Unfortunately, I have to type this in everytime I unplug the laptop.
[code]....
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May 29, 2010
So my wireless card no longer works in my windows machine for some odd reason, probably due to the temporary video card I have until my actual one comes back from XFX. It works perfectly in the Ubuntu box though, so I bought a crossover cable hoping to have it automatically create a wired network that I can bridge to my router. Obviously it's not that simple.
Anyway, I have the computers connected through crossover cable and they sort of know there's supposed to be some form of networking going on (Windows has limited connectivity on "unkown network" while Ubuntu just won't connect to Auto eth0), but that's as far as I get. basically all I need is to:
1. Get the computers to connect to and communicate with each other.
2. Bridge the wired connection with the wireless one within Ubuntu so that the Windows computer can access the Internet as well as the shared files on the other computers in the wireless network.
I'm running 10.04 Lucid with Gnome desktop, if it makes a difference.
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