Mini Precision GPS Reference ClockLow jitter GPS locked precision frequency reference 400 Hz to 810 MHz output mini version We recommend a newer version of this product: LBE 1420 GPS locked clock source This device outputs low jitter reference clock frequency locked to GPS signal. Long term stability of output signal is defined by high accuracy of GPS Caesium references and approaches 1x10 12. Short term signal quality is defined by internal TCXO clock source providing high quality,