The KSP-5B280 from Sangshin is a Phase Locked Loop with Frequency 0 to 270 MHz, Phase Noise -109 dBc/Hz, Output Power 3 dBm, Phase Noise at 1 KHz -87 dBc/Hz, Phase Noise at 1 MHz -142 dBc/Hz. Tags: Surface Mount. More details for KSP-5B280 can be seen below.