The SYN4350 from APA Wireless is a Phase Locked Loop with Frequency 0 to 4350 MHz, Phase Noise -103 dBc/Hz at 10 KHz, Lock Time 10 mSec, Phase Noise at 10 KHz -103 dBc/Hz at 10 KHz, PLL Current 150 mA. Tags: Surface Mount. More details for SYN4350 can be seen below.