Eastcompeace SIMPERIAL SIM is GSM Phase 2 compliant and available in 16K and 32K memory sizes. Ready value-added features on Eastcompeace SIMPERIAL SIM includes: 1. Supports for all three versions of the COMP128 authentication algorithm. 2. Anti-Cloning mechanism to deter fraud 3. Supports strong KI mechanism For operators who need an attractively priced SIM card to deploy postpaid or prepaid mobile services, Eastcompeace SIMPERIAL SIM is a good choice for you. General Features: 1. Compliant with ISO 7816-1, 7816-2, 7816-3, ISO7816-4 2. Compliant with GSM 11.11, GSM 11.14, GSM 11.17, GSM 03.40, GSM 03.48 3. Supports COMP 128-1, -2, -3 authentication algorithm 4. Special card ACS security technique, enhanced security features, anti cloning and authentication counter. 5. Special cardDPS-II data security technique can ensure user data and prolong usage life.