The KSV-5M1840B from Sangshin is a Voltage Controlled Oscillator with Frequency 1820 to 1860 MHz, Power 3.162 mW, Tuning Voltage 0.5 to 4.5 V, Phase Noise -100 dBc/Hz, Phase Noise dBc/Hz @10kHz -100 dBc/Hz. More details for KSV-5M1840B can be seen below.