DC Blocks are high-performance RF components designed to provide reliable DC isolation while allowing RF signals to pass with minimal insertion loss. Engineered for broadband operation, high-voltage applications, and exceptional low PIM performance, RD Microwaves DC Blocks help protect sensitive RF equipment from unwanted DC voltages and current leakage without compromising signal integrity. Available in inner, outer, and inner-outer configurations, these components are ideal for distributed antenna systems (DAS), wireless infrastructure, medical equipment, leaky feeder systems, test and measurement, and other demanding RF applications where dependable DC isolation and consistent RF performance are essential. RD Microwaves also offers custom DC Block, Bias Tee, and Monitor Tee solutions to meet specialized electrical and mechanical requirements.