The ANS3-3700-001 from Atlantic Microwave is a Signal Generator with Frequency 3700 to 4200 MHz, Output Power 7 dBm, Phase Noise -67 dBc/Hz at 1KHz, -103 dBc/Hz at 100KHz, Harmonics -35 dBc, Spurious -60 dBc. Tags: Analog Signal Generator. More details for ANS3-3700-001 can be seen below.