The series of products can constitute electrical power boxes, control boxes, signal boxes and other devices by installing connecting terminals, cable joints, button switches or signal lights.

But now, Americans may turn more heavily to purchases of low-cost converter boxes that can be attached to existing TVs to pick up digital signals.

Apart from scoring highly for picture quality and programme guide, the Spica was one of the few with both a connection for a smart aerial and a pass-through for analogue signals.