The KSP-5A1640B from Sangshin is a Phase Locked Loop with Frequency 1610 to 1670 MHz, Phase Noise -104 dBc/Hz, Output Power 3 dBm, Phase Noise at 1 KHz -79 dBc/Hz, Phase Noise at 1 MHz -142 dBc/Hz. Tags: Surface Mount. More details for KSP-5A1640B can be seen below.