ERI writer not being part of the onboard ERI equipment

NOTE 1 An external ERI writer is not fitted within or on the outside of the vehicle.

NOTE 2 A distinction is made between proximity, short-range (DSRC), and remote external writers. A proximity reader can be, for example , a PCD (proximity coupling device) as specified in ISO/IEC 14443. A short-range external ERI writer can be (a part of) roadside equipment, handheld equipment, or mobile equipment. A remote external ERI writer can be part of the back office equipment (BOE).