The APLT0600-T from ASB Inc. is a Frequency Synthesizer with Frequency 550 to 650 MHz, Step Size 100 KHz, Reference Frequency 13 MHz, Output Power 2 to 6 dBm, Harmonics -23 to -15 dBc. Tags: Surface Mount, PLL Frequency Synthesizer. More details for APLT0600-T can be seen below.