The 4081 from Ophir RF is a RF Amplifier with Frequency 700 to 800 MHz, Gain 53 dB, Gain Flatness ± 1.0 dB max with no ALC, ± 0.5dB with ALC, Harmonics -60 dBc max, Spurious -60 dBc max. Tags: Power Amplifier. More details for 4081 can be seen below.