The MFC1223-12 from Synergy Microwave Corporation is a Voltage Controlled Oscillator with Frequency 120 to 230 MHz, Power 1.585 mW, Tuning Sensitivity 2 to 12 MHz/V, Tuning Voltage 0.5 to 24 V, Pulling 3 MHz. Tags: Surface Mount. More details for MFC1223-12 can be seen below.