A method and system for increasing the read range of a security tag by supplying an additional antenna system to the tag in order to provide power to a radio frequency identification chip without the need to rely solely on power from the RFID reader. The microplate can comprise a plurality of wells for receiving an assay. An erase verification can then be performed to determine if the memory block has been successfully erased. The accumulated gaming activity data is then associated with the identification number of the printed voucher, and the identification number of the printed voucher and the associated gaming activity of the unidentified player is stored for future analysis. This idler guide unit is formed so that the clearance regulating operations are carried out by using tapering blocks 26, position regulators 41, 50 for the tapering blocks 26 being also provided. By adding a position calculator, a direction calculator and a velocity calculator to a radio mobile station and adding the information on a radio base station and the peripheral radio base stations into report information used by the radio base station, handover control considers the position, direction, and velocity as well as the downlink communications quality according to the related art.