The APL0953 from ASB Inc. is a Frequency Synthesizer with Frequency 938 to 968 MHz, Step Size 200 KHz, Reference Frequency 10 MHz, Output Power 3 to 7 dBm, Harmonics -40 to -30 dBc. Tags: Surface Mount, PLL Frequency Synthesizer. More details for APL0953 can be seen below.