The VTO-6700-51 from NI Microwave Components is a Voltage Controlled Oscillator with Frequency 5 to 8.4 GHz, Power 50.119 mW, Tuning Voltage 0 to 20 V, Phase Noise -90 dBc/Hz, Phase Noise dBc/Hz @100kHz -90 dBc/Hz. Tags: Module with Connectors, Surface Mount. More details for VTO-6700-51 can be seen below.