The ERA-3SM+ from Mini Circuits is a RF Amplifier with Frequency DC to 3 GHz, Gain 18.7 dB, Noise Figure 3.5 dB, Output Power 40 to 12.5 dBm, Output Power 10 to 0.02 W. Tags: Surface Mount, Power Amplifier, CATV Amplifier. More details for ERA-3SM+ can be seen below.