The DA9K1000M4747AC from Elite RF is a RF Amplifier with Frequency 9 KHz to 1000 MHz, Gain 47 dB, Gain Flatness ±4 dB, Output Power 43 to 56.9 dBm, Output Power 20 to 50 W. Tags: Benchtop / Rackmount, Power Amplifier. More details for DA9K1000M4747AC can be seen below.