Light activated radio frequency identification conveyance system

A radio frequency identification ("RFID") method, computer-readable medium, apparatus, and system are provided. In one embodiment, the method uses at least one light sensor to detect an item and to provide peripheral information of the item. Thereafter, the method determines the item's location, on a conveyor, from the peripheral information and a speed of the conveyor; and switches to an RFID reader antenna in a plurality of RFID reader antennas in accordance with the item location. In other embodiments, the apparatus, system, and computer-readable medium are also provided which perform similar features recited by the above method.