Near-Field Communication Forum: "a non-profit industry association founded by Nokia Corporation, Royal Philips Electronics and Sony Corporation to advance the use of NFC short-range wireless interaction in consumer electronics, mobile devices and PCs. The NFC Forum will promote implementation and standardization of NFC technology to ensure interoperability..."
Open Spectrum UK- see especially the blog notes and streaming video from our joint event at the London Science Museum, 26 May 2005, "Wireless Utopias 05: An Open Future?"
Sin Licencia (en Espanol), www.licencefree.com (in English) - well-researched webpages about unlicensed "walkie-talkies" for the 446 MHz band. Includes a table of European implementations of rules for this service (as of 2003) , a Spanish-language forum for users, and a fascinating article (in Spanish) about Donald Hings, the Canadian who invented the "walkie-talkie" in 1937, with photographs of some of his early models.
Cisco System's global chart showing Wireless LAN Compliance Status for their products. If you know the band used by each product, you may be able to infer the regulatory status of various bands - but this is not foolproof.
Wireless Communication Research Program - a collaboration between the Berkeley Roundtable on the International Economy (University of California at Berkeley), and ETLA, the Research Institute of the Finnish Economy.