Frequency Management provides extreme temperature crystals and superior solutions in the design and manufacturing of frequency control devices while providing the highest level of quality in customer service known in our industry. We specialize in quality extreme temperature crystals along with custom solutions and fast turn-around–from concept to delivery. Our expert extreme temperature crystals technical staff provides optimal design solutions providing a long-term value to our customers in high-tech markets including communications, commercial space, oil drilling, geothermal, industrial, hi-rel, the military and more. FMI has been supplying tight tolerance and quick delivery to the communications market for more than thirty years. For more information on our extreme temperature crystals, contact us at (800) 800-9825.