FeliCa

Sony's FeliCa (Felicity Card) is a high-speed contactless smart card technology operating at 13.56 MHz with proprietary communication protocols. FeliCa achieves transaction times under 100 ms, making it the fastest contactless technology for transit applications. It is the dominant standard in Japan (Suica, PASMO, nanaco) and Hong Kong (Octopus), processing billions of transactions annually.