Disclosed is an apparatus for ablating biological tissues, the apparatus is configured with a cannula, a balloon inflatable with a gaseous medium and coupled to the cannula, and an electromagnetic antenna coupled to the balloon operative to emit electromagnetic waves which heat the wall of the balloon. The internal breakers may initially be dispersed oil droplets in an internal, discontinuous phase of the fluid. A sealing structure is provided on the first surface of the substrate so as to cover the information storage element and through-holes. 11x transceiver, a Bluetooth transceiver and a modem.