The VS-402 from Vectron International is a Voltage Controlled SAW Oscillator with Frequency 1000 to 2500 MHz, Output Power 7 to 12 dBm, Phase noise -155 to -92 dBc/Hz, APR(pullability) ±20 ppm, Supply Voltage 3.13 to 3.465 V. More details for VS-402 can be seen below.