Got and old pc or mac without wireless capabilities? Broken wifi card in your laptop? Add wireless to that old pc or mac, using The wrt54gtm router as a wireless adapter. The linksys wrt54g-tm hacked with DD-WRT or others like tomato and open-wrt firmware, connected to an ethernet port can serve as a wireless adapter on a PC or MAC machine with out wireless connectivity.
Once the wrt54g-tm has been FLASH hacked it will operate like a built in wireless card. With the repeater functionality of the wrt54gtm you can share an access point with your friends and nieghbors, free internet ;)
WRT54G-TM REPEATER ROUTER: WIFI ON STERIODS