4.1.3 Profile 1b: via a vehicle mounted and directed Remote Early Detection Communication Reader (REDCR) U.K.
In this use case the agent of the competent control authorities is situated within a moving vehicle, and either aims a hand held, portable REDCR from the vehicle towards the centre of the windshield of the targeted vehicle, or the REDCR is mounted within or on the vehicle so as to point towards the centre of the windshield of the targeted vehicle when the Remote Early Detection Communication Reader's vehicle is in a particular position relevant to the targeted vehicle (for example directly ahead in a stream of traffic). The interrogation is made using 5.8 GHz DSRC interfaces operating within ERC 70-03, and tested against the appropriate parameters of EN 300 674-1 as described in section 5. See Figure 14.2. (Use Case 2).
