The AB1.85.0G3738AC-S from Elite RF is a RF Amplifier with Frequency 1800 to 5000 MHz, Gain 35 to 38 dB, Small Signal Gain 36 to 38 dB, Gain Flatness ± 2 to ± 3 dB, Noise Figure 5 dB. Tags: Rack Mount, Power Amplifier. More details for AB1.85.0G3738AC-S can be seen below.