Metal Tag Parameters
Description: practical on metal
1)Operating Frequency: 125KHz or 13.56MHz 
2)Support Protocol:ISO—15693 or 14443
3)Operating Temperature:-40º C to +70º C
4)Data Maintenance:10years,EMS memory can be wiped or written over 100K times
5)Read and Write Range: 4cm to 10cm
6)125KHz Chip: EM4100, Hitag-1, Hitag- 2, Hitag-S, TK4100 
7)13.56MHz Chip: Mifare-One S50, Mifare-One S70, I-CODE, Ti 256, INSIDE 2K 
8)Waterproof,anti-acid,anti-base,crashworthy
9)Specification:  3cm*5cm (Other on request)