A multizone RF read/write system for conducting transactions with vehicles traveling at high speeds. A first RF read zone is created, preferably by use of a first gantry that extends over at least one lane and contains at least one RF source that creates a large powerful RF read zone for reading or reading...http://www.google.fr/patents/US8135614?utm_source=gb-gplus-shareBrevet US8135614 - Multiple RF read zone system
