The present invention provides a solution to the needs described above through an inventive charger contact. 11b standard, wherein a modulation code is selected from the modulation codes which correlates according to a correlation method with the received signal. A coil interlinking process comprises compressing a first coil to define a clearance extending a second coil passed the first coil via the clearance, allowing the first coil to extend across the clearance, and contracting the second coil such that the second coil engages the first coil thereby interlinking the first and second coils.