The PSA-5455+ from Mini Circuits is a RF Amplifier with Frequency 50 MHz to 4 GHz, Gain 14.4 dB, Noise Figure 1 dB, Output Power 46 to 18.5 dBm, Output Power 39.81 to 0.07 W. Tags: Surface Mount, Low Noise Amplifier. More details for PSA-5455+ can be seen below.