SIM Card (Subscriber Identity Module):
VTC Card Security is the first company in the country that researched successfully and commercially supplied GSM SIM card for the GSM networks in Vietnam.
Our SIM card is also the first SIM that licensed to use in the Vietnam Telecom Network with the trade mark of vSIM®
Technical Specifications: ♦ Using vCOS of VTC Card Security, standards: IS-820 and ISO-7861, 1-8…;
♦ Phase 2, 2 ;
♦ OTA (Over the air);
♦ 3/5 Volts microprocessor IC, CPU 8bit or 16 bit;
♦ Memory capacity ranges from 8 kBtye to 64 kByte;
♦ Support 2.5G services like GPRS, WAP;
♦ Comp 128 1/2/3, DES, 3DES encryption;
♦ 1,000 phone book, 100 SMS;
♦ Customized plug-in STK applications according to customer’s needs.