The FLM2527L-20F from Sumitomo Electric Device Innovations is a RF Transistor with Frequency 2.5 to 2.7 GHz, Power 42 to 43 dBm, Power(W) 15.85 to 19.95 W, P1dB 42 to 43 dBm, Power Gain (Gp) 10 to 11 dB. Tags: Flanged. More details for FLM2527L-20F can be seen below.