K&L Microwave, part of the Microwave Products Group (MPG), is a subsidiary of Dover Corporation, a diversified global manufacturer with annual revenue of approximately $7 billion. K&L is recognized by top-tier defense contractors and wireless infrastructure providers as a world leader in the design and manufacture of RF and microwave filters, duplexers, and integrated assemblies. K&L is AS9100 certified and offers customers the most extensive range of filter-based products in the industry, spanning from 0.3 MHz to 65 GHz.
K&L began operation 50 years ago in a 1,400 square foot facility manufacturing custom filters primarily for the military sector. Today, with manufacturing facilities in the United States and the Dominican Republic and a global sales presence, K&L is the industry's premier filter supplier for both military and commercial markets. Over 300 employees represent the engineering, sales and marketing, manufacturing, and support personnel that enable K&L to support such a broad product and customer base.
K&L designs and manufactures a full line of RF and microwave filters, duplexers, and subassemblies, including ceramic, lumped element, cavity, waveguide, and tunable filters. K&L supplies many of today's most significant military and homeland security defense electronics programs. Applications include satellite communications, radar, radio communications, fire control radars, telemetry applications, missile guidance systems, mobile radio base stations, and air traffic control and communications. Commercial products include high-performance receive and transmit filters, delay line filters, duplexers and diplexers, combiners, receive multi-couplers, wireless system assemblies for base station requirements, and lower-cost ceramic and lumped element parts.
