Generic radio interface chip

Let's design a single chip that would be able to operate as BlueTooth/WiFi/WiMAX/whatever, possibly simultaneously.

Useful links

http://www.rowetel.com/ucasterisk/index.html

http://www.rowetel.com/

http://blog.makezine.com/archive/2008/11/_draft_open_source_hardwa.html

http://blog.open-hw.org/

http://products.wi-fiplanet.com/wifi/mesh/1088529527.html