Physical Specifications Size:44.5*10.4mm Chips,Material and sizes can be customized. RF Specifications Chip:Alien H4 Frequency:860-960MHz Protocol:ISO18000-6C EPC: 128bits User: 128bits TID: 64bits Operating Mode:Passive IC Life:Write endurance of 100,000 cycles,Data retention of 50 year Operating Distance:1-10cm, depending on the reader configuration Operating temperature:-50°C ~+85°C Personalization:Logo Printing,VOYANTIC UHF test system,Pass test standard of TIPP,GS1, EPC GLOBAL