An apparatus for providing pulsed electromagnetic field (PEMF) treatment, comprising: a substrate ; one or more first electrically-conductive loops on the substrate connected to one or more corresponding signal generators configured to generate one or more PEMF signals at the one or more first electrically-conductive loops ; one or more tunable non-active circuits ; one or more second electrically-conductive loops each connected to a respective tunable non-active circuit (4, 4a, 4b, 4c, 4d, 4e, 4f, 4g. 4h, 4i, 4j, 4k, 4l, 4m, 4n), the one or more second electrically-conductive loops being arranged at a predetermined distance from the one or more first electrically-conductive loops on the substrate to form an array , wherein each tunable non-active circuit (4, 4a, 4b, 4c, 4d, 4e, 4f, 4g. 4h, 4i, 4j, 4k, 4l, 4m, 4n) comprises at least one variable capacitor for tuning each of the one or more second electrically-conductive loops to the one or more PEMF signals; wherein the one or more first electrically-conductive loops are active loops and the one or more second electrically-conductive loops are non-active loops, characterized in that the non-active loops duplicate the output signal from the active loops to act simultaneously as a receiver and transmitter without requiring electrical power by such non-active loops thereby providing increased area of coverage of a treatment signal field, such non-active loops being inductively coupled to the active loops with the tunable non-active circuit adjusted to the active loop output parameters to provide a more uniform treatment signal field, wherein the non-active loops are formed in a shape that is circular, D-shaped or oval. a substrate ; one or more first electrically-conductive loops on the substrate connected to one or more corresponding signal generators configured to generate one or more PEMF signals at the one or more first electrically-conductive loops ; one or more tunable non-active circuits ; one or more second electrically-conductive loops each connected to a respective tunable non-active circuit (4, 4a, 4b, 4c, 4d, 4e, 4f, 4g. 4h, 4i, 4j, 4k, 4l, 4m, 4n), the one or more second electrically-conductive loops being arranged at a predetermined distance from the one or more first electrically-conductive loops on the substrate to form an array , wherein each tunable non-active circuit (4, 4a, 4b, 4c, 4d, 4e, 4f, 4g. 4h, 4i, 4j, 4k, 4l, 4m, 4n) comprises at least one variable capacitor for tuning each of the one or more second electrically-conductive loops to the one or more PEMF signals; wherein the one or more first electrically-conductive loops are active loops and the one or more second electrically-conductive loops are non-active loops, characterized in that the non-active loops duplicate the output signal from the active loops to act simultaneously as a receiver and transmitter without requiring electrical power by such non-active loops thereby providing increased area of coverage of a treatment signal field, such non-active loops being inductively coupled to the active loops with the tunable non-active circuit adjusted to the active loop output parameters to provide a more uniform treatment signal field, wherein the non-active loops are formed in a shape that is circular, D-shaped or oval. <EOS>