The CBA 3G-300B from AMETEK CTS is a RF Amplifier with Frequency 800 MHz to 3.1 GHz, Gain 53 dB, Gain Flatness +/-3.0 dB, Output Power 53.01 to 54.77 dBm, Output Power 199.99 to 299.92 W. Tags: Benchtop / Rackmount, Power Amplifier. More details for CBA 3G-300B can be seen below.