IQD brand frequency products is a leader in the frequency control market, has 40 years of history. It operates in more than 60 countries worldwide. IQD offers a full range of frequency device products, including low-cost commercial grade products, high stability military grade products and more professional applications. Products include: crystal, clock oscillator, Silicon/MEMS clock oscillator, VCXO, TCXO, OCXO, automotive electronics dedicated crystal oscillator. Widely used in communications, measurement, medical, automotive, military and other technical fields of products.