Trendnet TEW-649UB (USB WiFi Mini-Adapter, 802.11n)

Network 802.11n, Trendnet, USB, WiFi, Wireless

Trendnet TEW-649UB (USB WiFi Mini-Adapter, 802.11n)
Linux compatibility:
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  ( 4.3 with 3 ratings)

Price: $ 14.00 (on stock)
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Updated: 28/06/2016 19:51

Review of Linux Compatibility

The Trendnet TEW-649UB is a 802.11n WiFi adapter and bases on the Realtek RTL8191SU chipset. The USB stick has the USB ID 0bda:8172

Bus 001 Device 006: ID 0bda:8172 Realtek Semiconductor Corp. RTL8191S WLAN Adapter

The chipset is supported from the standard Linux kernel by the kernel module rtl819x (e.g. since Ubuntu 10.10). However, the kernel needs a firmware file to access the TEW-649UB. If this file is missing loading of the kernel module will fail with the following error message:

rtl819xU:FirmwareDownload92S(): failed with TCR-Status: a
rtl819xU:ERR!!! _rtl8192_up(): initialization is failed!

In this case the firmware file is not present at /lib/firmware/RTL8192SU/. This can be solved by :

sudo mkdir /lib/firmware/RTL8192SU/
cd /lib/firmware/RTL8192SU/
sudo wget http://svn.debian.org/wsvn/kernel/dists/trunk/firmware-nonfree/realtek/RTL8192SU/rtl8192sfw.bin

Alternatively on can use the kernel module rtl8192se. However, this module needs to be compiled per hand:

wget http://launchpadlibrarian.net/33927923/rtl8192se_linux_2.6.0010.1012.2009.tar.gz
tar -zxvf rtl8192se_linux_2.6.0010.1012.2009.tar.gz
cd rtl8192se_linux_2.6.0010.1012.2009
make
sudo make install

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Comments

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