The SA2019 from SUNGSAN is a RF Amplifier with Frequency 1800 to 2200 MHz, Gain 57 dB, Gain Flatness ±1.0 to ±1.5 dB, Noise Figure 10 dB, Output Power 56.02 to 56.99 dBm. Tags: Benchtop / Rackmount, Power Amplifier. More details for SA2019 can be seen below.