The APL2048 from ASB Inc. is a Frequency Synthesizer with Frequency 2.04 to 2.056 GHz, Step Size 200 KHz, Reference Frequency 10 MHz, Output Power 2 to 4 dBm, Harmonics -25 to -20 dBc. Tags: Surface Mount, PLL Frequency Synthesizer. More details for APL2048 can be seen below.