Profile: Frequency Management International designs and manufactures frequency control devices. It includes packaged quartz crystals, crystal clock oscillators, voltage controlled & temperature compensated crystal oscillator, voltage controlled temperature compensated crystal oscillators and phase locked sources. We also offer high temperature quartz crystals & oscillators, and extreme temperature crystals & oscillators for extreme environmental conditions. Our crystal & crystal oscillator products are available in standard & custom surface mount and thru-hole packages.