The SAV-581+ from Mini Circuits is a RF Amplifier with Frequency 450 MHz to 6 GHz, Gain 8.3 to 22.3 dB, Noise Figure 0.5 dB, Output Power 45.5 to 19 dBm, Output Power 35.48 to 0.08 W. Tags: Surface Mount, Low Noise Amplifier. More details for SAV-581+ can be seen below.