An apparatus for a near-field magnetic induction radio and comprising: a tank circuit, including an inductor and a first plurality of capacitors, configured for wireless communication of a signal, derived from an input signal, via a selectable one of a plurality of different frequency bands; a first driver, including a plurality of buffers (106, 107) each having a respective capacitor (108,109) that couples the output of the buffer to a common node of the inductor, of which buffers at least one is responsive to the input signal and of which at least one other is not responsive to the input signal, the first driver being configured to drive the tank circuit through the respective capacitor or capacitors of the buffer or buffers that are responsive to the input signal, while the tank circuit is coupled to the common node of the inductor; a tuning-drive circuit configured to drive the tank circuit for communications operation in one band of, and selectably from, the plurality of different frequency bands; and the tuning-drive circuit including selectable portions each having at least one additional buffer and at least one respective capacitor configured to be selectively coupled to the common node of the inductor for operation in parallel with the first driver, and when selected and in operation, the selected portions cause the tank circuit to be tuned to a selected one of the plurality of different frequency bands by contributing, with the first driver, to an overall drive strength and to an overall tuning capacitance for the wireless communication for the tank circuit being tuned to the selectable one of a plurality of different frequency bands. a tank circuit, including an inductor and a first plurality of capacitors, configured for wireless communication of a signal, derived from an input signal, via a selectable one of a plurality of different frequency bands; a first driver, including a plurality of buffers (106, 107) each having a respective capacitor (108,109) that couples the output of the buffer to a common node of the inductor, of which buffers at least one is responsive to the input signal and of which at least one other is not responsive to the input signal, the first driver being configured to drive the tank circuit through the respective capacitor or capacitors of the buffer or buffers that are responsive to the input signal, while the tank circuit is coupled to the common node of the inductor; a tuning-drive circuit configured to drive the tank circuit for communications operation in one band of, and selectably from, the plurality of different frequency bands; and the tuning-drive circuit including selectable portions each having at least one additional buffer and at least one respective capacitor configured to be selectively coupled to the common node of the inductor for operation in parallel with the first driver, and when selected and in operation, the selected portions cause the tank circuit to be tuned to a selected one of the plurality of different frequency bands by contributing, with the first driver, to an overall drive strength and to an overall tuning capacitance for the wireless communication for the tank circuit being tuned to the selectable one of a plurality of different frequency bands.