Microwave Development Laboratories

Established in 1948, Microwave Development Laboratories (MDL) is the largest independent producer of waveguide and subassemblies in the microwave industry. Headquartered in Needham, Massachusetts, MDL specializes in a comprehensive range of microwave components, including waveguide bends and twists, directional couplers, monopulse comparators, rotary joints, microwave filters, rotary switches, waveguide shutters, and waveguide pressure windows.

MDL is renowned for its ability to manufacture thousands of standard microwave components while also accommodating special electrical and mechanical requirements from customers. Their expert engineers utilize advanced computer technology and exclusive MDL programs to deliver accurate electrical designs efficiently. The company is equipped with state-of-the-art production facilities, including computer-assisted machines, screw machines, a foundry, a dip brazing shop, and a paint shop, ensuring superior control over the production cycle and product quality.

High reliability is the hallmark of MDL, a principle embedded in their "Quality Manual" and "Quality Procedures" that adhere to ISO 9001-2015 and AS9100D standards. Calibration of electrical and mechanical equipment is conducted in-house using written procedures per ANSI/Z540, reinforcing MDL's commitment to delivering high-quality, reliable products to the microwave industry.