... production 3. RoHs and SGS certification 13.56Mhz Anti-theft RFID Jewellery Tag RFID Technologies have developed dedicated ... photo, laser, barcode, series number punch, hole punch, UV printing etc.Low frequency chips(125Hz)EM4100, EM4205, EM4305, EM4450TK4100 ... timesReading distance3-10cm for HF and 4-6m for UHFApplicationjewelry anti-theft, tracking and stock controlCertificateISO9001-2000, SGS, ICCR ...