The KSP-5A589 from Sangshin is a Phase Locked Loop with Frequency 584 to 594 MHz, Phase Noise -110 dBc/Hz, Output Power 3 dBm, Phase Noise at 1 KHz -82 dBc/Hz, Phase Noise at 1 MHz -142 dBc/Hz. Tags: Surface Mount. More details for KSP-5A589 can be seen below.