The CPLL66-2175-2175 from Crystek Corporation is a Frequency Synthesizer with Frequency 2.175 GHz, Step Size 100 KHz, Output Power 3 to 6 dBm, Harmonics -15 to -10 dBc, Supply Voltage 3.3 to 5 V. Tags: Surface Mount, VCO + PLL Frequency Synthesizer. More details for CPLL66-2175-2175 can be seen below.