RF Label are based on a low profile etched antenna design. They usually are produced in paperfaced, nude oder with paper and dummy barcode versions with a selfadhesive backside. They use a frequency of 8.2 MHz.
Sew In label are best suited for source tagging at the factory. They can be sewed in visible or invisible places in the clothes. The invisibe placement will make it very difficult for thiefs to detect the label.