... ,RFID anti- theft Jewelery Tag( HF UHF) 2,jewelry anti-theft,tracking and stock ... control 3,ISO9001:2000 SGS 4.Factory RFID anti- theft Jewelery Tag( HF ... UHF) 1.jewelry anti-theft,tracking and stock control 2.low price,large output ... Reading timesOver 100,000 timesReading distance3-10cm for HF and 4-6m for UHFApplicationjewelry anti-theft, ...