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In this article, a novel dual-band multi-port compact rectenna design for RF energy harvesting is proposed. An E-shaped coaxial fed microstrip antenna combined with an inverted Lshaped structure is used to achieve a dual-band operation at 0.9 GHz (GSM900) and 2.4 GHz (WiFi) frequency bands with gains of 0.8 dBi and 4.4 dBi, respectively. A shorting post is incorporated in the design, which restricts the antenna size to 50 mm × 47 mm, making the overall rectenna compatible with any sensor nodes.doi:10.2528/pierc20100802 fatcat:2tgz55miwvg2zkyqhopbaeb6di