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ISO/IEC TR 18047-4:2004 defines test methods for determining the conformance of radio frequency identification (RFID) devices (tags and interrogators) for item management with the specifications given in the corresponding part of ISO/IEC 18000, but does not apply to the testing of conformity with regulatory or similar requirements.

The test methods require only that the mandatory functions, and any optional functions which are implemented, be verified. This may, in appropriate circumstances, be supplemented by further, application specific functionality criteria that are not available in the general case.

The interrogator and tag conformance parameters in ISO/IEC TR 18047-4:2004 are:

• mode-specific conformance parameters including nominal values and tolerances;
• parameters that apply directly affecting system functionality and inter-operability.

The following are not included in ISO/IEC TR 18047-4:2004:

• parameters that are already included in regulatory test requirements;
• high-level data encoding conformance test parameters (these are specified in ISO/IEC 15962).

Unless otherwise specified, the tests in ISO/IEC TR 18047-4:2004 apply exclusively to RFID tags and interrogator defined in ISO/IEC 18000-4 Mode 2.