This article addresses the problem of indoor localization with an augmented ultra-high-frequency radio frequency identification system. In the infrastructure of augmented ultra-high-frequency radio frequency identification system. a tag-like component called sense-a-tag applies envelope detection to capture the backscatter signals of other ultra-high-frequency tags in its proximity du... https://www.diegojavierfares.com/amazing-price-Kicker-48CDF104-Comp-10-Down-Firing-Loaded-Subwoofer-Enclosure-special-find/