GSM blank programmable printing SIM card for cell phone, plug-in card size of 2FF, 3FF or 4FF

Model Number: GSM Blank programmable SIM card Brand Name: GRcard Key Specifications/Special Features: Details:OS: Native and JavaIC: 32Kb - 512KbNetwork compatibility: 2G GSM, 3G CDMA 2000, 3G USIM, 3G WCDMA, 4G LTEBrowser: WIB, S@T, CelltickPUK, ICCID, IMSI, ADM, ESN, KI, MDN, PIN, SMSG programmableAlgorithm: comp 128-1, comp 128-2, comp 128-3Security controller – Infineon, ST, Samsung and moreForm factor: ISO, half SIM, quarter SIM, 10 chip, plug-in, 4FFContact: 6 or 8 pinsIn-house apps developmentCompliant to IS-820 Addendum, GSM11.11, GSM 11.12, GSM11.14,GSM 11.17, GSM 03.48, and GSM 03.40
*Support many UTK mobile value added application in the CDMA network
*Compatible to both GSM and CDMA network
*Supports the OTA method of downloading updates of applications
*Supports expansion of STK services
*Security Verification algorithm
*Supports internal back-up mechanism so as to maintain data integrity
*User card EEPROM memory size is selectable at 32k, 64K
*Contains anti-cloning security protection
Chip parameters

Grcard telecom IC card chip products are high performance IC used in smart card
In the chip there are 8-bit micro processor, 48K byte program memorizer (MASK ROM), 256 byte internal RAM (SRAM), 1K byte outside RAM (SRAM), 32K byte data memorizer (EEPROM)

7.1 Main character of chip
CPU
— 8-bit CPU or 16-bit CPU
Memory size: 16K, 32K ,64K or 128K

EEPROM
— Single byte read, write, and wipe
— Multi bytes storage (1 byte to 1 page)
— 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
Working temperature
—-25°C to +70°C
Working voltage
— 2.7V to 3.3V, 4.5V to 5.5V
Working frequency
— 1 - 5MHz (3.57MHz)
Note:
We can customized cards to meet your requirement by creating a new mould for your ideal shape, color, text, and logo
With existing shapes, you can determine colour and choose laser, engrave, or jetprint for your text, logo and other information