An implantable device for terminating ventricular tachycardia is disclosed. The external heating source comprises a substrate and a ceramic-containing coating. This radar system can both transmit data and sense gestures, thereby performing with a single system, control of many devices and data transmission with those devices. The proportion of the low Tg component having a glass transition temperature of not higher than 5 C. In some embodiments, the an offer for the electronic credits is output to the player at the gaming device and the electronic credits are added to a credit meter balance of the gaming device upon the player’s acceptance of the offer.