Abstract: A monitoring device and patch combination used to monitor the conditions of a pneumatic tire having an innerliner includes a monitoring device and patch. The monitoring device includes a first connection element that is connected to the monitoring device. The patch includes an antenna that is connected to a second connection element. In one embodiment of the invention, the first connection element is in the form of a socket while the second connection element is in the form of a plug. The connection elements allow the monitoring device and patch to be separately fabricated and the direct physical connection between the antenna and the monitoring device to be formed when the combination is connected to the innerliner of the tire. In another embodiment, a plug extends from the bottom of an encapsulated monitoring device and is aligned with a socket on the patch. The connection between the plug and the socket occurs automatically when the encapsulated monitoring device is aligned with and connected to the patch.