Model Number: blank programmable sim card Brand Name: GRcard Key Specifications/Special Features: blank programmable SIM card with micro Nano sizeDescription :Material: PVC, ABS , PETDimensions: 85.6 mm X 54 mmThickness: 0.84mm Or 0.68 mmPUK,ICCID , IMSI ,SID, ESN ,KI,PIN and PRL programmableCompliant to ISO 7810, 7816 standard, GSM 11.11, 11.14 standardPrinting: 4 color CMYK printing, Pantone Color Printing

Chip memory: 32K - 512 K and so on.

Network: Supporting GSM and CDMA network, 3G WCDMA 4G LTE network.

Support many UTK mobile value added application in the CDMA network

Compatible to both GSM and CDMA network

Support the OTA method of downloading updates of applications

Security Verification algorithm:

GSM: A3A8 algorithm (COMP128-1/2/3)

CDMA: CAVE algorithm Revision C

DES/3DES: encryption/decryption algorithm

Support internal back-up mechanism so as to maintain data integrity

User card EEPROM memory size is selectable at 32k-512k

Contains Anti-cloning security protection
Advantage:
Advantage:1, We are SIM card manufacturer for 10 years

2, Our SIM card can be written endurance 100.000 cycles.

3, Our products is bestselling with high quality and competitive price as we are cards manufacturer not trade company.

4, We have 3 technical research and development teams for providing excellent technical support to our customer.

5, We are supplier of More than 10 world top 500 enterprises

6, Automatic production equipment, make sure the high quality products and fast delivery time.

7, Experienced workers and management.

8, We sell more than 3, 000, 0000 SIM cards every year. And working well in local network.

9. We are nearby the Shenzhen airport-the logistic center, easy to arranging shipment.