The RFID readers are available in three types: Proximity - up to 5 inches, Mid-range - up to 15 inches and Long-range- up to 10 feet. The FEIG 13.56 RF IDreaders are the hand held proximity type for identification of smart labels based on transponders with an operating frequency of 13.56 MHz. The RFID readers have a maximum reading/writing distance of up to 18 cm and are suitable primary for applications in the fields of retail, industry and logistics. Possible applications are: incoming - and outgoing inspection, stocktaking and quick localization of documents and data carriers. Its anti-collision function allows the simultaneous identification of several pieces even through packaging. Alien Technology, Samsys, Symbol and ThingMagic carry long range readers.