XC32M4-37.400-F16NLDT with SMD3225-4P Crystals ROHS manufactured by HCI is a surface mount chip quartz crystal oscillator module. It is constructed using high-performance, low-phase-noise HCI crystals packaged in an epoxy molded 4-pin SMD package with RoHS compliant terminals. This crystal oscillator module has a frequency of 37.400MHz with an aging rate of ±5ppm and a temperature range of -20°C to +70°C. The XC32M4-37.400-F16NLDT module is ideal for timing applications in digital communication, wireless, LAN, WAN, GPS, and other networks.