The FLM5964-18F/001 from Sumitomo Electric Device Innovations is a RF Transistor with Frequency 5.85 to 6.75 GHz, Power 42.5 dBm, Power(W) 17.78 W, P1dB 42.5 dBm, Power Gain (Gp) 9 dB. Tags: Flanged. More details for FLM5964-18F/001 can be seen below.