Three form factors of Secure Element

There are three different form factors of SE(Secure Element):

• Embedded SE ,
•  MicroSD.
• USIM/Universal Integrated Circuit Card (UICC)

Both the UICC and microSD are removable. Each form factor links to a different business implementation and satisfies a different market need.

Source:Smart Card Alliance & Secure Element, Key to Absolute Power?