The QVO-981-1664-6 from Qualwave is a Voltage Controlled Oscillator with Frequency 0.981 to 1.664 GHz, Power 6 dBm, Tuning Voltage 0 to 18 V, Phase Noise -143 to -78 dBc/Hz, Phase Noise dBc/Hz @1kHz -78 dBc/Hz. Tags: Module with Connectors. More details for QVO-981-1664-6 can be seen below.