The KSP-5B310 from Sangshin is a Phase Locked Loop with Frequency 0 to 310 MHz, Phase Noise -115 dBc/Hz, Output Power 3 dBm, Phase Noise at 1 KHz -89 dBc/Hz, Phase Noise at 1 MHz -140 dBc/Hz. Tags: Surface Mount. More details for KSP-5B310 can be seen below.