Imation manufactures radio frequency identification technology [rfid] based data guard volser label. Radio frequency identification [rfid] technology is an integrated circuit with a passive rfid chip and a custom-designed antenna. Volser identification combines bar code, color and serial number for limitless flexibility. Imitation`s volser labels with integrated rfid technology enable uhf readers to quickly read each cartridge with 100% accuracy and reliability, thus allowing data center personnel to more efficiently tracks every tape cartridge.