A method for wireless power transfer, comprising: adapting a variable form factor transmitter into an adapted form factor based on a pre-determined wireless power transfer area, wherein the variable form factor transmitter in the adapted form factor comprises a characteristic frequency, the variable form factor transmitter comprising a plurality of capacitors each with a pre-determined capacitance, and a plurality of wire segments each with a pre-determined segment length and a pre-determined inductance per unit length, wherein the plurality of capacitors are connected in series via at least the plurality of wire segments into a string of distributed capacitors; maintaining the characteristic frequency to be substantially independent of the adapted form factor; and transmitting, from a radio frequency power source and based at least in part on the characteristic frequency, RF power across the pre-determined wireless power transfer area via a near electromagnetic field of the variable form factor transmitter, wherein adapting the variable form factor transmitter comprises: adjusting a length of the string of distributed capacitors based on a dimension of the pre-determined wireless power transfer area by at least one selected from a group consisting of cutting and adjoining the plurality of wire segments, and wherein the characteristic frequency is further substantially independent of an adjusted length of the string of distributed capacitors. adapting a variable form factor transmitter into an adapted form factor based on a pre-determined wireless power transfer area, wherein the variable form factor transmitter in the adapted form factor comprises a characteristic frequency, the variable form factor transmitter comprising a plurality of capacitors each with a pre-determined capacitance, and a plurality of wire segments each with a pre-determined segment length and a pre-determined inductance per unit length, wherein the plurality of capacitors are connected in series via at least the plurality of wire segments into a string of distributed capacitors; maintaining the characteristic frequency to be substantially independent of the adapted form factor; and transmitting, from a radio frequency power source and based at least in part on the characteristic frequency, RF power across the pre-determined wireless power transfer area via a near electromagnetic field of the variable form factor transmitter, wherein adapting the variable form factor transmitter comprises: adjusting a length of the string of distributed capacitors based on a dimension of the pre-determined wireless power transfer area by at least one selected from a group consisting of cutting and adjoining the plurality of wire segments, and wherein the characteristic frequency is further substantially independent of an adjusted length of the string of distributed capacitors. adjusting a length of the string of distributed capacitors based on a dimension of the pre-determined wireless power transfer area by at least one selected from a group consisting of cutting and adjoining the plurality of wire segments, and wherein the characteristic frequency is further substantially independent of an adjusted length of the string of distributed capacitors.