Rigol OCXO-C08 - High stability clock for Rigol RSA5000

High stability clock option for the Rigol RSA5000 series spectrum analyzers, models RSA5032, RSA5032-TG, RSA5065, RSA5065-TG.
Initial calibration accuracy: <0.1 ppm instead of <1 ppm standard
Temperature stability: <0.005 ppm instead of <0.5 ppm standard
Time drift: <0.03 ppm/year instead of <1 ppm/year standard