The KSP-5A921 from Sangshin is a Phase Locked Loop with Frequency 921 to 933 MHz, Phase Noise -106 dBc/Hz, Output Power 0 dBm, Phase Noise at 1 KHz -69 dBc/Hz, Phase Noise at 1 MHz -142 dBc/Hz. Tags: Surface Mount. More details for KSP-5A921 can be seen below.