speci:

Hewlett Packard HP 83640L Synthesized Swept CW generator is the standard of excellence for applications requiring the high performance and accuracy of a synthesized source and the speed and versatility of a sweep oscillator. 

Features:

+10 dBm calibrated output power

-50 dBc harmonics <26.5 GHz typical

SSB phase noise <-80 dBc at 10 GHz and 10 kHz offset

Complete analog sweeper