EMR Corporation was founded in 1980 by William Lieske, Sr. as an OEM supplier of ferrite and hybrid devices to the land mobile communications and broadcast industries. Until his passing in 2007, Bill was involved in radio communications for more than 70 years.
Today, EMR offers a complete line of antenna site and mobile filtering products covering the R.F. spectrum from 30 MHz to 2.8 GHz, and products capable of handling power levels up to 2 KW. Our line is extensive, we supply ferrite and hybrid devices to the land mobile communications and broadcast industries, including the design and manufacturing of cavity resonant devices and complex combination of R.F. filtering products, such as antenna duplexers, hybrid and cavity resonant combining networks and receiver multicoupling.
From our founding, our corporate philosophy has been, is, and will be to provide the highest quality products, at the greatest level of technical excellence, with the most practical consideration, at an economical price.