A unitized receiver-housing bearing planar collar for a pet wherein the bottom end of the receiver housing is integrally formed with the collar, the bottom perimetrical edge of the receiver housing being oriented substantially parallel to the plane of the collar. The collar is overmolded, free of independent connectors or fasteners, on the receiver housing adjacent the bottom end of the receiver housing such that when the collar is affixed to the neck of a pet, for example, there is established and maintained a pre-selected orientation of the receiver housing relative to the pet.