Transport and Traffic Telematics (TTT). Dedicated Short Range Communication (DSRC) transmission equipment (500 kbit/s / 250 kbit/s) operating in the 5 795 MHz to 5 815 MHz frequency band. Part 2: Harmonised Standard covering the essential requirements of article 3.2 of Directive 2014/53/EU. Sub-part 2: On-Board Units (OBU)