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Our History

In 1977, M H Electronics was established by the private purchase of the crystal division of a major sideband communications radio manufacturer. We are a family owned and operated business. Owner, Melvin Hammer, serves as Chief Engineer and has fifty years experience in this industry. He was responsible for the "White Room" that designed and manufactured crystals for the Apollo Space Program, as well as leading pioneer research projects in this field. Our senior staff has a combined experience of more than eighty-five years in both engineering and manufacturing crystals. Our crystals have been used on every continent, on "top of the world" for Mount Everest expeditions and into the "depths of the earth" to monitor deep oil wells. Customers use our crystals for equipment on land, at sea and in the air.

We exclusively use American made materials to manufacture our crystals. All of our material vendors are carefully selected to provide maximum reliability and the highest quality possible in our finished products. We proudly manufacture all our crystals at our facility located in Rancho Cucamonga, California, USA.


9569 9th Street
Rancho Cucamonga, CA 91730
International + (909) 989-1976
Fax (909) 945-4971