DT-IFT-011 Technical Specifications for Mobile Terminal Equipment that can use the radio spectrum or be connected to telecommunications networks. Part 2. Mobile Terminal Equipment operating in the 700 MHz, 800 MHz, 850 MHz, 1900 MHz, 1700 MHz/2100 MHz, and/or 2500 MHz bands. 

SIM Card:

Integrated circuit card containing subscriber information related to the network.