The 2173 from Empower RF is a RF Amplifier with Frequency 20 to 500 MHz, Power Gain 57 dB, Gain Flatness ±1 to 3 dB, Noise Figure 10 to 15 dB, Output Power 56.02 dBm. Tags: Benchtop / Rackmount, Power Amplifier, Automatic Gain Controlled Amplifier. More details for 2173 can be seen below.