The 2500L from Electronics & Innovation Ltd is a RF Amplifier with Frequency 0.05 to 12 MHz, Power Gain 60 dB, Gain Flatness +/- 2 dB, AC Voltage 200 to 240 V, Current Consumption 20 A. Tags: Benchtop / Rackmount, Power Amplifier. More details for 2500L can be seen below.