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.