The BHED1858-300 from Comtech PST is a RF Amplifier with Frequency 100 to 500 MHz, Output Power 54.77 to 55.11 dBm, Output Power 299.92 to 324.34 W, P1dB 54.77 to 55.11 dBm, P1dB 300 to 325 W. Tags: Benchtop / Rackmount, Power Amplifier. More details for BHED1858-300 can be seen below.