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rtl8187 - Realtek RTL8187L/RTL8187B mac80211 driver
The rtl8187 driver is a FOSS mac80211 driver for RTL8187L and RTL8187B. Rtl8187 is part of the official Linux kernel. Starting with 2.6.27, this driver is supported by aircrack-ng.
To use the driver with aircrack-ng, it's recommended that you apply the following patch: http://patches.aircrack-ng.org/rtl8187-mac80211-injection-speed-2.6.28-rc6.patch
For wireless-testing/compat-wireless, use http://patches.aircrack-ng.org/rtl8187-mac80211-injection-speed-2.6.28-wl.patch
In addition, apply the latest mac80211 frag+ack patch.
If you have r8187/r8187b installed, don't forget to blacklist it before using this driver.
On the Remote Exploit website is a nice tutorial by panni, for a 2.6.28 kernel (or higher)