The 500-20-80-35-RM from LCF Enterprises is a RF Amplifier with Frequency 20 to 500 MHz, Gain 35 to 40 dB, Spurious -60 dBc, AC Voltage 120 to 240 VAC, Quiscent Current 1.3 A. Tags: Benchtop / Rackmount, Power Amplifier. More details for 500-20-80-35-RM can be seen below.