Model Number: programmable blank sim card Brand Name: GRcard Key Specifications/Special Features: 1. Mobile SIM card have GSM SIM card, CDMA RUIM card (1x and EVDO), WCDMA USIM card2. These cards are blank card, printable and can write IMSI, ICCID, PIN, PUK, ESN, AKEY, PRLMain character of chipCPU-8 bit CPU or 16bit CPUMemory size: 16K,32K ,64K or 128KEEPROM-single byte read ,write, and wipe-multi bytes storage(1byte to1page)
-program clock come from vibrate clock that generated by chip itself
-At the normal temperature, can proceed at least 100,000 times erase
and write operations
-EEPROM data endurance more than ten years
-EEPROM program voltage generated in the chip
Serial I/O interface
-Match ISO/IEC-7816
-asynchronous half duplex transmission protocol
-Two kinds of transmission velocity(372/1 and 512/8) optional
Randomizer
-8- bit randomizer
Power on reset
-internal power on reset mechanism
Low power work mode
-Sleep mode
-Clock stop mode
Safety mechanism
-Abnormal voltage/frequency detection function, DPA/SPS attacking
immunity
Work temperature: -25°C to +70°C
Work voltage: 2.7V to 3.3V, 4.5V to 5.5V
Work frequency: 1 - 5 MHz (3.57MHz)