The present document applies to Transport and Traffic Telematics (TTT) systems:
• with a Radio Frequency (RF) output connection and specified antenna or with an integral antenna;
• for data transmission only;
• operating on radio frequencies in the 5,725 GHz to 5,875 GHz Short Range Devices frequency band.
The applicability of the present document covers only the Road Side Units (RSU).
The present document does not necessarily include all the characteristics which may be required by a user, nor does it
necessarily represent the optimum performance achievable.
The present document complies with the Commission Implementing Decision 2013/752/EU [1] and CEPT/ERC
Recommendation 70-03 [2]. It is a specific standard covering various TTT applications.
The present document contains requirements to demonstrate that radio equipment both effectively uses and supports the
efficient use of radio spectrum in order to avoid harmful interference.

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The present document applies to Road Transport and Traffic Telematics (RTTT) wireless systems:
- with or without antenna connectors;
- for digital data transmission;
- operating on radio frequencies in the 5,725 GHz to 5,875 GHz Industrial, Scientific and Medical (ISM) frequency band.
The applicability of the present document covers both the Road Side Units (RSUs) and the On-Board Units (OBUs) with transceivers and transponders. The present document complies with ECC/DEC/(02)01 [1] and CEPT/ERC/REC 70-03 [3]. It is a specific standard covering various RTTT applications. Additional standards or specifications may be required for equipment such as that intended for connection to the Public Switched Telephone Network (PSTN) or other systems.

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Adjust title to reflect passing of Work Item under TC ITS from TC ERM. Rectify minor errors in the test methods following validation of TSS&TP and ATS specs provided by STF 372. Specify missing Application test methods, and convert from ES to EN, in order to provide support for EETS as requested in draft EEC Decision on EETS.

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Adjust title to reflect passing of Work Item under TC ITS from TC ERM. Rectify minor errors in the test methods following validation of TSS&TP and ATS specs provided by STF 372. Specify missing Application test methods, and convert from ES to EN, in order to provide support for EETS as requested in draft EEC Decision on EETS.

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Frequently Asked Questions

A European Standardization Mandate is a formal request from the European Commission to the European Standardization Organizations (CEN, CENELEC, and ETSI) to develop European standards (ENs) in support of EU legislation and policies. Mandates are issued under Regulation (EU) No 1025/2012 and help ensure that products and services meet the essential requirements set out in EU directives and regulations.

M/338 is a European Standardization Mandate titled "undefined". This mandate requests the European Standardization Organizations to develop harmonized standards supporting EU legislation. There are 29 standards developed under this mandate.

Standards developed in response to a mandate and cited in the Official Journal of the European Union become "harmonized standards". Products manufactured in compliance with harmonized standards benefit from a presumption of conformity with the essential requirements of the corresponding EU directive or regulation, facilitating CE marking and market access across the European Economic Area.