A wireless multi-carrier communication system having designated control sub-channels that enable a receiving device to operate in a low power decoding mode. The auto-focus optical lens module has simplified elements and enhanced driving force. A collar electrode is carried by a distal end portion of the lead body. These links are tubular in cross section and receive the tension cartridge. The e-marketplace hub may recursively compare sending message capabilities with receive message constraints at various levels to ensure a valid trading partner link. Once bottled, the convertible wine bottle may be packaged in 4-, 6-, or 8-packs, as well as individually.