The CVCO55BH-5840-6040 from Crystek Corporation is a Voltage Controlled Oscillator with Frequency 5.84 to 6.04 GHz, Power 1.995 mW, Tuning Sensitivity 60 MHz/V, Tuning Voltage 0.3 to 4.7 V, Pulling DC to 12 MHz. Tags: Surface Mount. More details for CVCO55BH-5840-6040 can be seen below.