A system and method for producing a 16-QAM-modulated signal are disclosed. The carrier includes a molded plastic base, a lead frame, and an interconnect. Therefore, it is possible to enhance a user’s convenience when searching for and reproducing a recorded program. With reference to a preferred embodiment, the IT system transmits a message signal to the selected viewer station on a communication channel different from the channels carrying the programming, including the selected programming channel. The first tag is woken out of the sleep mode on a first periodic basis to communicate with the reference tags.