The Oven Controlled Crystal oscillators are equipped with below features: Wide frequency range 1.000Mhz to 160.000Mhz Custom designed acceptable Short-term Frequency Stability : less than 0.05ppb/second (Allan Variance) Low aging(±0.1ppm/first year)and Excellent phase noise ISO9000:2000 & ISO14000 certified ROHS compliant Mainly Applications: PCS Base Stations Cellular Base Stations Synthesizer Measurement Equipment Digital Switching