Connecting & Protecting People®, Microwave Products Group is recognized as a global leader in RF & Microwave Solutions that is comprised of BSC Filters (York, UK), Dow-Key Microwave (Ventura, CA), Espy Corporation (Austin, TX), K&L Microwave (Salisbury, MD) and Pole/Zero (West Chester, OH). These five industry leading, innovation driven organizations together provide products and solutions to address our customers most challenging communication interference issues.