The KSN-1827A+ from Mini Circuits is a Frequency Synthesizer with Frequency 1.71 to 1.82 GHz, Step Size 20 KHz, Output Power 1 to 7 dBm, Harmonics -25 to -17 dBc, Spurious -85 to -70 dBc. Tags: Surface Mount, PLL Frequency Synthesizer. More details for KSN-1827A+ can be seen below.