The SPDRO Series from FEI-Elcom Tech, Inc. is a PLDRO with Frequency 0.5 GHz to 42 GHz, Output Power 7 dBm ± 2 dB, Spurious <-85 dBc, Phase Noise -145 to -95 dBc/Hz, Phase Noise@1 KHz -109 to -95 dBc/Hz. Tags: Single Loop. More details for SPDRO Series can be seen below.