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

802.11n, Trendnet, USB, 无线网络, 无线

Trendnet TEW-649UB (USB 无线 Mini-Adapter, 802.11n)
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Trendnet TEW-649UB 
Minimum: ¥ 85.08 
Maximum: ¥ 500.00  
更新: 22/03/2016 17:32


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

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

tar -zxvf rtl8192se_linux_2.6.0010.1012.2009.tar.gz
cd rtl8192se_linux_2.6.0010.1012.2009
sudo make install


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请使用注释部分提出更正的文章,以及相关的摘录 lspci -nnv, lsusb -v, lshw, dmesg ... 此外,使用一节的经验与此硬件组件或搜索该硬件的其他业主配置帮助交流。
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