Radio frequency bandwidth from a far field transmitter of an implantable medical device is adjusted by controlling the data rate, the output power level, the transmitter supply voltage or combinations thereof. Adjustments are made on the basis of a sensed temperature, absence or presence of a lead or...http://www.google.com.au/patents/US20040030260?utm_source=gb-gplus-sharePatent US20040030260 - Method and system for improved spectral efficiency of far field telemetry in a medical device
