The AR17839-30 from Comtech PST is a RF Amplifier with Frequency 1.7 to 3 GHz, Gain 45 dB, Gain Flatness ±1 dB, Noise Figure 10 dB, Output Power 44.77 to 45.44 dBm. Tags: Benchtop / Rackmount, Power Amplifier. More details for AR17839-30 can be seen below.