What is it? Was told I need to upgrade my cable box. Received this little unit, about the size of a postcard. Am I supposed to replace my large cable box? If so, which one? (I have two.) I'm not having problems and still don't understand why a replacement is necessary. Attempted to get support via Chat. Tech rep kinda no help, and actually disconnected.
Side note: I'm supposed to return "old" unit in box new unit came in. It won't fit.
Was I sent the wrong device?