The KSP-5A661 from Sangshin is a Phase Locked Loop with Frequency 621 to 701 MHz, Phase Noise -105.5 dBc/Hz, Output Power 2 dBm, Phase Noise at 1 KHz -77 dBc/Hz, Phase Noise at 1 MHz -143 dBc/Hz. Tags: Surface Mount. More details for KSP-5A661 can be seen below.