Specification :

SIM card is short for subscriber identity module card. It records the personal information of digital mobie phones, through the data to authorise and encrypt for wireless communication. It plays an important role that protect the internet from thieving illegally.

function: 1.GSM basic Telecommunication business.

2 application of WIB and STK.

3 OTA function.

4 capacity of 16K and 32K are available.