ETL Systems offers a series of attenuators with operating frequencies ranging in the L-band (850-2150 MHz), and are available with either 50Ω or 75Ω impedances specifically tailored to the respective connector types. Attenuation levels range from 3 to 20 dB, and come in DC block, DC pass, DC block & 10 MHz pass, DC pass & 10 MHz pass, DC block & 10 MHz block, and DC pass & 10 MHz block on all ports. Field applications for these l-band attenuators include telecom infrastructures, satellite systems, microwave links, test and instrumentation, military communications, and radar networks.