Suica uses standard 13.56 MHz radio but the Sony FeliCa was designed slightly different to make it incompatible with ISO 14443. that's all the trick against competition. Suica doesn't have to worry about power consumption because it's from fixed check-in gates (made by Hitachi). __________________________________ Do you Yahoo!? Yahoo! SiteBuilder - Free, easy-to-use web site design software http://sitebuilder.yahoo.comReceived on Sun Sep 21 06:54:06 2003