The APLT2150-R/T from ASB Inc. is a Frequency Synthesizer with Frequency 2.15 GHz, Step Size 1000 KHz, Reference Frequency 13 MHz, Output Power 1 to 5 dBm, Harmonics -25 to -20 dBc. Tags: Surface Mount, PLL Frequency Synthesizer. More details for APLT2150-R/T can be seen below.