The APL0434- R/T from ASB Inc. is a Frequency Synthesizer with Frequency 434 MHz, Reference Frequency 13 MHz, Output Power 3 to 7 dBm, Harmonics -30 to -20 dBc, Spurious -70 to -65 dBc. Tags: Surface Mount, PLL Frequency Synthesizer. More details for APL0434- R/T can be seen below.