The ETPA9K250M-1000 from Etrontimes Technology is a RF Amplifier with Frequency 9 kHz to 250 MHz, Gain 60 dB, Gain Flatness ±3 dB, P1dB 57 dBm, P1dB 500 W. Tags: Benchtop / Rackmount, Power Amplifier. More details for ETPA9K250M-1000 can be seen below.