The DCRO270420-8 from Synergy Microwave Corporation is a Voltage Controlled Oscillator with Frequency 2.7 to 4.2 GHz, Power 1 mW, Tuning Sensitivity 80 to 130 MHz/V, Tuning Voltage 0.5 to 20 V, Pulling 4 MHz. Tags: Surface Mount. More details for DCRO270420-8 can be seen below.