JQL Tech is the Global Leader in designing and manufacturing for RF components including Isolators, Circulators, Cavity Filter, Couplers and other passive components. Our capabilities include a solid foundation and experienced engineering core for surface mount, drop-in, connectorized, and waveguide designs. The headquarters is located in Rolling Meadows, IL with manufacturing capabilities in the U.S. and China. We currently have over 1500 designs from 100 MHz to 75 GHz. We are a value-added supplier to all distribution, B2B, and OEM customers. Quality, Cost Effective, Quick Delivery, and Great Customer Service. JQL Tech- Technology On The Move