A wireless device may include two or more wireless interfaces capable of transmitting andor receiving signals over separate wireless networks. The transmission can be temporarily fixed to the underside of the towing vehicle by latching engagement without involving the use of a tool for fixing purposes so that the transmission can be quickly and easily fitted to and removed from the towing vehicle. The first gate includes a first oxide layer formed over a substrate, and the second gate includes a second oxide layer formed over the substrate. One of the one or more operations is selected. The reinforcing elements, preferably cords, are incorporated in an elastomeric material and constitute at most the 40% of the volume of the fabric.