The BLC9G20LS-361AVT from Ampleon is a RF Transistor with Frequency 1.805 to 1.99 GHz, P1dB 55.5 dBm, Duty_Cycle 0.1, Power Gain (Gp) 14.5 to 15.7 dB, Input Return Loss -9 to -5 dB. Tags: Surface Mount. More details for BLC9G20LS-361AVT can be seen below.