The latest stable version of Wireless Tools is version 29, it is stable, most of the stupid bugs have been removed and it supports all Wireless Extensions (from version v11 to v21)....Version 29 adds : * Support for long/short retry (WE-21). * Support power saving level, modulation (WE-21 - not in kernel). * Scanning options. * Better WPA support. * Enhanced command line parser in iwconfig. * sysfs symlinks and udev integration in ifrename. * More footprint reduction tricks. * Support for 32 bit Wireless Tools on 64 bits kernels. * Change dBm range to support positive dBm.