The APL0405 from ASB Inc. is a Frequency Synthesizer with Frequency 400 to 410 MHz, Step Size 20 KHz, Reference Frequency 10 MHz, Output Power 4 to 6 dBm, Harmonics -35 to -25 dBc. Tags: Surface Mount, PLL Frequency Synthesizer. More details for APL0405 can be seen below.