The RFE-2017711-X from RFE is a Voltage Controlled Oscillator with Frequency 4.4 to 6 GHz, Power 10 to 14 dBm, Tuning Voltage 0.5 to 12 V, Phase Noise -95 dBc/Hz@100 kHz, Phase Noise dBc/Hz @100kHz -95 dBc/Hz@100 kHz. Tags: Surface Mount, Module with Connectors, Drop In. More details for RFE-2017711-X can be seen below.