The FLM5964-6F from Sumitomo Electric Device Innovations is a RF Transistor with Frequency 5.9 to 6.4 GHz, Power 37.5 to 38.5 dBm, Power(W) 5.62 to 7.08 W, P1dB 37.5 to 38.5 dBm, Power Gain (Gp) 9 to 10 dB. Tags: Flanged. More details for FLM5964-6F can be seen below.