The CHV2243a99F from United Monolithic Semiconductors is a Voltage Controlled Oscillator with Frequency 36700 to 39700 MHz, Power 6.31 mW, Tuning Voltage 2.5 V, Phase Noise -65 dBc/Hz, Supply Voltage 4.5 V. Tags: Surface Mount. More details for CHV2243a99F can be seen below.