This tag is specially designed for harsh enviroments. It is made of enhanced nylor and fiber-glass, very strong and durable, shock-resistant, heat-resistant, water-resistant.

1) Operating Frequency: 13.56MHz
2) Support Protocol:ISO—15693 or 14443
3) Operating Temperature:-40°C to +70°C
4) Data Maintenance: 10 years, EMS memory can be wiped and written more than 100K times
5) Read and Write Range:1cm to 50cm 
6) 13.56MHz Chip: Mifare-One S50, Mifare-One S70, I-CODE, Ti 256, INSIDE 2K