Data supporting the article: Thin Flexible RF Energy Harvesting Rectenna Surface With a Large Effective Aperture for Sub μW/cm2 Powering of Wireless Sensor Nodes Journal: IEEE Transactions on Microwave Theory and Techniques DOI: 10.1109/TMTT.2022.3192532 Data license: CC-BY The dataset reports experimental data including: seriesRectennaSurface_ant<#>.csv Measured input impedance of the #th antenna element in the array Array_element_patterns.csv Simulated and measured patterns of the array elements DC_output_<...>.csv Measured and simulated RF to DC performance of the rectenna surface and single element under a known circularly polarized wave, and under real-world evaluation