The AR4819-10 from Comtech PST is a RF Amplifier with Frequency 400 MHz to 1 GHz, Gain 40 dB, Gain Flatness ±1 dB, Noise Figure 10 dB, Output Power 40 to 41.76 dBm. Tags: Benchtop / Rackmount, Power Amplifier. More details for AR4819-10 can be seen below.