CTS ATS and ATS-SM quartz crystals incorporate a high Q quartz resonator in a proven resistance-weld metal package. These crystals are ideal for supporting a wide range of commercial and industrial applications, including wireless communications, broadband access, and microprocessors. They offer standard HC-49/US & HC-49/US-SM metal packages, fundamental and 3rd overtone crystal designs, and frequency stability options to meet diverse application requirements.