The APL1912.5 from ASB Inc. is a Frequency Synthesizer with Frequency 1.875 to 1.95 GHz, Step Size 100 KHz, Reference Frequency 10 MHz, Output Power 1 to 5 dBm, Harmonics -25 to -20 dBc. Tags: Surface Mount, PLL Frequency Synthesizer. More details for APL1912.5 can be seen below.