K & L

K & L

K&L Microwave is a subsidiary of Dover Corporation, a diversified global manufacturer with annual revenues of over $8 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 and ISO 14001 certified and offers customers the most extensive range of filter-based products in the industry, spanning from 0.3MHz to 94GHz.

K&L began operation over 40 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.

  • RF and microwave filters
  • LP, HP, BP, Notch
  • Duplexers/Diplexers and Multiplexers
  • Switch Filter Bank
  • Ceramic, Cavity, Waveguide, and Tunable Filters
  • Low PIM solutions

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