SIM card interface conformance testing

7layers offers SIM card interface conformance testing for end-products, modules and reference designs.

SIM card interface tests are conducted to assure interoperability between a SIM (Subscriber Identity Module) and a mobile device, independently of the respective manufacturers and operators. SIM card interface testing at 7layers is applicable for

• GCF certification
• PTCRB certification
• Verizon Wireless device approval program

Testing includes for example the programming voltage and current, parameters to calculate extra guard time requested by the card, etc.