The KSP-5A2557R5 from Sangshin is a Phase Locked Loop with Frequency 2547 to 2567 MHz, Phase Noise -99 dBc/Hz, Output Power 3 dBm, Phase Noise at 1 KHz -71 dBc/Hz, Phase Noise at 1 MHz -142 dBc/Hz. Tags: Surface Mount. More details for KSP-5A2557R5 can be seen below.