The FLM5053-8F from Sumitomo Electric Device Innovations is a RF Transistor with Frequency 5.0 to 5.3 GHz, Power 38.5 to 39.5 dBm, Power(W) 7.08 to 8.91 W, P1dB 38.5 to 39.5 dBm, Power Gain (Gp) 8.5 to 9.5 dB. Tags: Flanged. More details for FLM5053-8F can be seen below.