Able to signal from the headend or hub in such a way that only the desired subscriber’s receiving equipment is affected. In this way, it is possible to send a signal to a single subscriber and effect changes in the subscriber’s level of service.

In the Wegener product-line, a type of IRD (Integrated Receiver Decoder) that can not only receive "free to air" digital TV signals but can also be “targeted” to be controlled; and if a server, content in the form of “live” or digital objects can be stored for playback or retrieval.

capable of being addressed; "addressable memory"