The SAV-551+ from Mini Circuits is a RF Amplifier with Frequency 450 MHz to 6 GHz, Gain 7.6 to 20.9 dB, Noise Figure 0.5 dB, Output Power 43 to 17.5 dBm, Output Power 19.95 to 0.06 W. Tags: Surface Mount, Low Noise Amplifier. More details for SAV-551+ can be seen below.