The ANS-178-228 from Atlantic Microwave is a Signal Generator with Frequency 1700 to 2200 MHz, Output Power 7 dBm, Phase Noise -60 dBc/Hz at 1KHz, -90 dBc/Hz at 100KHz, Harmonics -35 dBc, Spurious -60 dBc. Tags: Analog Signal Generator. More details for ANS-178-228 can be seen below.