... production 3. RoHs and SGS certification 13.56Mhz Anti-theft RFID Jewellery Tag RFID Technologies have developed dedicated software ... , embossing number, signature panel, photo, laser, barcode, series number punch, hole punch, UV printing etc.Low frequency chips ... distance3-10cm for HF and 4-6m for UHFApplicationjewelry anti-theft, tracking and stock controlCertificateISO9001-2000, SGS, ICCR, ...