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rated 0 times [  1] [ 0]  / answers: 1 / hits: 2651  / 1 Year ago, mon, february 20, 2023, 10:05:53

Got a Trendnet tew-624UB 300Mbps newer revision wifi usb dongle.
Works just fine!



On checking connection information on n etwork manager it shows up as a 150Mbps device using rtl8192cu as a driver.
This device is a 300Mbps wifi dongle.



The maximum TX strength is 80% and signal strength 100%...which is just fine!
But i have no range?!!
Checked with the router touching it and its still 80 %
On checking this device with win7 everything is 100% running @ 300Mbps........it catches 2 floors strong signal but not with ubuntu 12.04!
Simply put the "rtl8192cu " is a 150Mbps driver and not 300Mbps.



Is there a 300Mbps driver or an upgrade path for this device that i can use far away from my 300 Mbps router..... it works fine @ 150Mbps but with no range.



Thanks.


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 Answers
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Solved. My blog with other OS too...
http://tuxstack.wordpress.com/2013/10/23/install-drivers-for-wifi-usb-adapters-trendnet-tew-624ub-tp-link-wn821n-asus-edimax-etc-on-linux/



Trendnet TEW624UB and Tp-link wn821n have the same chipset. There are many devices which have the same pathetic rtl8192cu wifi chipset.



Apparently, the driver from realtek website is unmaintained and shows up as a 150Mbps driver but is very buggy(already included in kernel). Thanks to Janez troha for maintaining the driver and making it installable for kernel 3.8, 3.10 and as he/she puts it 3.11++.
https://github.com/dz0ny/rt8192cu



The rtl8192cu works 24/7 without glitches with the change Janez has made to the source.



You can check with iwconfig or network-manager applet to see the speed of data transfer, it will clearly show it is 300Mbps and NOT 150Mbps.



I hope realtek provides better support for linux.



Further linked to : Installing Workaround RealTek Drivers for EdiMAX, but getting error
&&
Installing Workaround RealTek Drivers for EdiMAX, but getting error


[#36000] Monday, February 20, 2023, 1 Year  [reply] [flag answer]
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