The RFID readers from Elatec RFID Systems combine 125kHz, 134.2kHz and 13.56MHz technologies for the first time in one device. Based on SM-4500M-chips, they offer full Advant and MIFARE interoperability in addition to the cash and initialization function. This makes it possible for solution suppliers to migrate RFID systems and therefore do not have to depend on the defined transponder technology. Old and new IDs can thus be used in parallel in identification or authorization applications. The TWN4 MultiTech LEGIC 45 is also available as a core module with an external antenna.