The BT013 from BeRex, Inc. is a RF Amplifier with Frequency 1.5 to 4 GHz, Gain 10.7 to 15 dB, Noise Figure 6.8 to 7.1 dB, Output Power 26 to 27.5 dBm, Output Power 0.4 to 0.56 W. Tags: Surface Mount, Power Amplifier. More details for BT013 can be seen below.