The present document details the technical specifications for M2M UICCs. Specifically@ the present document specifies: ? Physical@ logical and electrical specifications for additional machine to machine form factors for the M2M UICC. ? Environmental specifications of the M2M UICC dedicated to M2M applications for all specified UICC form factors. ? Device pairing mechanisms that allow the M2M UICC to verify the terminal with which it is operating.