This study designed and fabricated a frequency-selective structure-based security paper for the electromagnetic detection system of a security gate. which aims to prevent leakage of confidential documents. When a functional paper embedded with a frequency-selective pattern that selectively reflects a specific frequency is being leaked out of a security zone. the electromagnetic detect... https://ashleyshomestores.shop/product-category/5-piece-outdoor-fire-pit-table-chat-set/