Item NO. RFID jewellery security Tag Standard ISO 18000 ,EPC Antenna: 84mmx15mm or 22x8m Frequency: 865-868/902-928 MHz Aluminum etching antenna Chip : Ucode 7, Monza 5 Dimension: 66x26mm, or 100x14mm, Customized Reading Distance: 1~5m (reader and antenna dependent) Work Temperature: -40°Cto+65°C Storage Temperature: -40°Cto+85°C Environmental requirements: comply with ROHS directives Data Retention >10 years R/W Cycles up to 100000 cycles Application: anti-theft Jewelry tag, Jewelry label, Jewelry management, ring management, etc.