The 7200-series from Crane Aerospace & Electronics is a DRO with Frequency 3 to 26 GHz, Frequency Stability ±25 to 550 ppm, Output Power 10 to 13 dBm, Harmonics -20 dBc, Spurious -70 dBc. Tags: Hermetically sealed. More details for 7200-series can be seen below.