The RFE-2017813-X from RFE is a Voltage Controlled Oscillator with Frequency 5.1 to 5.4 GHz, Power 10 to 14 dBm, Tuning Voltage 1 to 12 V, Phase Noise -105 dBc/Hz@100 kHz, Phase Noise dBc/Hz @100kHz -105 dBc/Hz@100 kHz. Tags: Surface Mount, Module with Connectors, Drop In. More details for RFE-2017813-X can be seen below.