The CVCO55FL-0136-0174 from Crystek Corporation is a Voltage Controlled Oscillator with Frequency 136 to 174 MHz, Power 12.589 mW, Tuning Sensitivity 10 MHz/V, Tuning Voltage 0.5 to 4.5 V, Pulling 0.5 to 1 MHz. Tags: Surface Mount. More details for CVCO55FL-0136-0174 can be seen below.