The RFE-2017723-X from RFE is a Voltage Controlled Oscillator with Frequency 8 to 12 GHz, Power 8 to 12 dBm, Tuning Voltage 0.5 to 18 V, Phase Noise -80 dBc/Hz@100 kHz, Phase Noise dBc/Hz @100kHz -80 dBc/Hz@100 kHz. Tags: Module with Connectors. More details for RFE-2017723-X can be seen below.