The ANS-456-656 from Atlantic Microwave is a Signal Generator with Frequency 45 to 65 MHz, Output Power 7 dBm, Phase Noise -75 dBc/Hz at 1KHz, -105 dBc/Hz at 100KHz, Harmonics -35 dBc, Spurious -60 dBc. Tags: Analog Signal Generator. More details for ANS-456-656 can be seen below.