The PE1V31016 from Pasternack Enterprises Inc is a Voltage Controlled Oscillator with Frequency 500 to 600 MHz, Power 0.3 to 1 mW (-5 to 1 dBm), Tuning Sensitivity 45 MHz/V, Tuning Voltage 0.5 to 4.5 V, Phase Noise -105 dBc/Hz. Tags: Module with Connectors. More details for PE1V31016 can be seen below.