The FLM5972-8F from Sumitomo Electric Device Innovations is a RF Transistor with Frequency 5.9 to 7.2 GHz, Power 38 to 39 dBm, Power(W) 6.31 to 7.94 W, P1dB 38 to 39 dBm, Power Gain (Gp) 7.5 to 8.5 dB. Tags: Flanged. More details for FLM5972-8F can be seen below.