Contactless identification and communication system and method of operating the same

Abstract

A contactless identification and communication system and method of operating a contactless identification communication system comprising a reader and one or more transponders, wherein the or each transponder is operable to be in RF communication with the reader, which method comprises the steps of: operating the transponder at a first clock rate when the transponder is not transmitting to the reader; and operating the transponder at a second clock rate during transmission of data from the transponder to the reader, the second clock rate being higher than the first clock rate.