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Document Summary

This document specifies the version 1.1 Edition 2 of the Calypso Basic product.

A Calypso Basic product is a contactless smartcard containing only one application1, which shall comply with the requirements of the present document. The focus of this product is mainly access to public transportation and eventually any associated services that can be combined into a simple and limited use title.

Calypso Basic is an application largely compatible with the Calypso Prime Revision 3 specifications:
060708-SP-CalypsoPrime (the present specification is based upon a subset of this document).

This document covers all the requirements for Calypso Basic and makes reference to the Calypso Light or Calypso Prime specifications for topics that are common to the entire range of products.

Additional Information

Document Published:

27 Oct 2025

Document Type:

Specification

Version:

1.1E2

Reference:

191011

Calypso Solution:

Card

Calypso Product:

Basic

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Confidential documents : Diffusion of the document is strictly restricted to the individually authorised persons. The original recipient is fully responsible for its re-transmission, which may only concern people involved in the project, on a need-to-know basis. These persons must not reproduce or transmit the document again without prior authorisation from the original recipient. It must be stored in a secure place, or encrypted (for electronic documents whose access is not secure). It can only be exchanged in a sealed envelope, or in encrypted form (if electronic version). Therefore, it is stored encrypted on the Calypso File Repository. Access can be requested by completing the application form for registration and completing the subsequent NDA.