Abracon also offers the AOCJY1, which is a lower cost, through-hole OCXO solution utilizing an AT-cut crystal. With an operating temperature range of -40ºC to +75ºC, the available frequency stability is from ±50 ppb to ±500 ppb. The AOCJY2 is a mid-tier OCXO solution with an SC-cut crystal which exhibits excellent phase noise and very tight, ±5 ppb to ±30 ppb frequency stability.