Portable object which is able to render a plurality of near-field secure services, comprising: o a near-field module comprising an antenna and a microcontroller for managing near-field communication with a near-field read unit which is external to the portable object; o a security element which is a SIM card comprising: • storage means for storing applications (CDL, APS) and data (DPS, 10T) relating to at least one near-field secure service, • a communication module for communicating with the near-field module for exchanging data relating to said secure service, • at least one input/output electrical contact dedicated to communication with the portable object, the portable object also comprising a serial communication module comprising: • a first serial interface for receiving, originating from a terminal, a signal comprising applications (CDL, APS) and/or data (DPS, 10T) of said secure service; • a conversion module which is able to convert the signal received into a signal adapted for the input/output contact of the security element; • a second interface connected directly to the security element (SE, SIM, I4) via said at least one electrical contact of the security element for transmitting to it the adapted signal comprising applications (CDL, APS) and/or data (DPS, 10T) of said secure service. o a near-field module comprising an antenna and a microcontroller for managing near-field communication with a near-field read unit which is external to the portable object; o a security element which is a SIM card comprising: • storage means for storing applications (CDL, APS) and data (DPS, 10T) relating to at least one near-field secure service, • a communication module for communicating with the near-field module for exchanging data relating to said secure service, • at least one input/output electrical contact dedicated to communication with the portable object, the portable object also comprising a serial communication module comprising: • a first serial interface for receiving, originating from a terminal, a signal comprising applications (CDL, APS) and/or data (DPS, 10T) of said secure service; • a conversion module which is able to convert the signal received into a signal adapted for the input/output contact of the security element; • a second interface connected directly to the security element (SE, SIM, I4) via said at least one electrical contact of the security element for transmitting to it the adapted signal comprising applications (CDL, APS) and/or data (DPS, 10T) of said secure service. • storage means for storing applications (CDL, APS) and data (DPS, 10T) relating to at least one near-field secure service, • a communication module for communicating with the near-field module for exchanging data relating to said secure service, • at least one input/output electrical contact dedicated to communication with the portable object, • a first serial interface for receiving, originating from a terminal, a signal comprising applications (CDL, APS) and/or data (DPS, 10T) of said secure service; • a conversion module which is able to convert the signal received into a signal adapted for the input/output contact of the security element; • a second interface connected directly to the security element (SE, SIM, I4) via said at least one electrical contact of the security element for transmitting to it the adapted signal comprising applications (CDL, APS) and/or data (DPS, 10T) of said secure service.