SCHROFF's frame type plug-in units provide a versatile solution for mounting printed circuit boards in a variety of rack and panel applications. These units are designed to accommodate euroboard format PCBs and are available in both shielded and unshielded versions. Features include mechanical shielding to protect printed boards, EMC shielding options for high-frequency radiation protection, and front panel modifications for customized designs. They are suitable for use in subracks, cases, and 19" chassis, and are available as kits or individual components to meet specific application requirements.