BS PD CEN/TS 16794-1:2017 constitutes the 2nd edition of CEN/TS 16794-1. It sets out the technicalrequirements to be met by contactless Public Transport (PT) devices in order to be able to interfacetogether using the ISO/IEC 14443 standard contactless communications protocol.This Technical Specification applies to PT devices:PT readers which are contactless fare management system terminals acting as a PCD contactless readerbased on ISO/IEC 14443 standard series;PT objects which are contactless fare media acting as a PICC contactless object based on ISO/IEC 14443standard series.This new version also addresses interoperability of consumer-market NFC mobile devices, compliant toNFC Forum specifications, with above mentioned PT devices.An interface-oriented test approach is used to evaluate the conformity of PT devices and is defined inCEN/TS 16794-2.Application-to-application exchanges executed once contactless communication has been established atRF level fall outside the scope of this document. In line with the rules on independency between OSIprotocol layers, this document works on the assumption that application-to-application exchanges arenot contingent on the type of contactless communication established or by the parameters used for thelow-level protocol layers that serve as the platform for these application-to-application exchanges.Cross References:ISO/IEC 14443-1:2016ISO/IEC 10373-6:2016ISO/IEC 14443-4:2016 ISO/IEC 14443-3:2016CEN/TS 16794-2:2017ISO/IEC 14443-2:2016ISO/IEC 18092:2013 ED2ISO/IEC 15693-2:2006 Ed 2ISO/IEC 7810:2003 Ed 3