According to various aspects, exemplary embodiments are provided of portable communications terminals and assemblies thereof. In one exemplary embodiment, a portable communications terminal includes a support member. An antenna is supported by the support member. Electromagnetic interference (EMI) shielding structure is also supported by the support member. A printed circuit board includes one or more electronic components mounted thereon. The EMI shielding structure is operable for providing EMI shielding for one or more electronic components that are disposed within the interior defined by the EMI shielding structure and the printed circuit board.