Description 1. The card is fully compatible with IC 1k cards. 2. Block0 on the card the block where the UID is can be modified arbitrarily, and the modification can be repeated. 3. Block0 can be modified directly with a regular IC reader and writer, no special equipment is needed. 4. The default password of the card is 12 F, namely FFFFFFFFFFFF Parameter Storage capacity 8Kbit, 16 partitions, two sets of passwords for each partition Working frequency 13.56MHZ Communication speed 106Kboud Reading distance 2.510CM Reading and writing time 12MS Working temperature 20℃85℃ Erasing and writing times more than 100000 times Data retention more than 10 years Production standard ISO 14443, ISO 10536 Scope of application Prepaid water meters, campus cards, bus cards, highway tolls, parking lot, community administration Color mied color Material ABS Package contents 50 UID copying cards The above package content only, other products are not included. Note Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The allowable measurement error is 13 cm.