The TAV-581+ from Mini Circuits is a RF Amplifier with Frequency 450 MHz to 6 GHz, Gain 8.8 to 22.9 dB, Noise Figure 0.5 dB, Output Power 50 to 18.3 dBm, Output Power 100 to 0.07 W. Tags: Surface Mount, Low Noise Amplifier. More details for TAV-581+ can be seen below.