Micro SIM&Nano SIM
Micro SIM (3FF, Third Form Factor SIM) and Nano SIM (4FF, Fourth Form Factor SIM) are developed from Plug-in SIM(2FF, Second Form Factor SIM). The UICC measurement of Micro SIM is 12*15mm and the UICC measurement of Nano SIM is 8.8*12.3mm, while the UICC measurement of Plug-in SIM is 15*25mm. Micro SIM and Nano SIM have well chip feature, security feature and compatibility. They satisfy all kinds of development requirement in telecom applications.